thanhleviet · October 27, 2024 20:51
diff --git a/git_analysis.py b/git_analysis.py
 #!/usr/bin/env python3
 """
 Git Analysis Report Generator
 This script generates an HTML report analysing commits in a Git repository.
 Thanh Le Viet - TGHI
 """
 import subprocess
 from datetime import datetime
 import os
 from html import escape
 import re
 import argparse

 def convert_ansi_to_html(ansi_text):
    """Convert ANSI color codes to HTML/CSS spans"""
    if not ansi_text:
        return ""
        
    # ANSI color code to CSS color mapping
    color_map = {
        '31': 'red',
        '32': 'green',
        '33': 'yellow',
        '34': 'blue',
        '35': 'magenta',
        '36': 'cyan',
        '37': 'white',
        '91': '#ff5555',  # bright red
        '92': '#55ff55',  # bright green
        '93': '#ffff55',  # bright yellow
        '94': '#5555ff',  # bright blue
        '95': '#ff55ff',  # bright magenta
        '96': '#55ffff',  # bright cyan
        '97': '#ffffff',  # bright white
    }
    
    # Replace ANSI reset code
    text = ansi_text.replace('\x1b[0m', '</span>')
    
    # Replace color codes with spans
    for code, color in color_map.items():
        text = text.replace(f'\x1b[{code}m', f'<span style="color: {color}">')
        # Handle bold/bright variants
        text = text.replace(f'\x1b[1;{code}m', f'<span style="color: {color}; font-weight: bold">')
    
    # Clean up any remaining ANSI codes
    text = re.sub(r'\x1b\[[0-9;]*[mGKH]', '', text)
    
    # Balance any unclosed spans
    open_spans = text.count('<span') - text.count('</span>')
    if open_spans > 0:
        text += '</span>' * open_spans
        
    return text

 def run_git_command(command, color=True):
    """Run a git command and return its output"""
    try:
        # Split command if it's a string
        if isinstance(command, str):
            command = command.split()
            
        # Set up environment for color output
        env = dict(os.environ)
        if color:
            env.update({
                'TERM': 'xterm-256color',
                'FORCE_COLOR': '1',  # Add this line
                'GIT_CONFIG_COUNT': '3',  # Increase count to 3
                'GIT_CONFIG_KEY_0': 'color.ui',
                'GIT_CONFIG_VALUE_0': 'always',
                'GIT_CONFIG_KEY_1': 'color.diff',
                'GIT_CONFIG_VALUE_1': 'always',
                'GIT_CONFIG_KEY_2': 'color.status',  # Add status coloring
                'GIT_CONFIG_VALUE_2': 'always'
            })
            # Add -c options to force colors
            if command[0] == 'git':
                command[1:1] = ['-c', 'color.ui=always', '-c', 'color.diff=always']
        
        result = subprocess.run(
            command,
            capture_output=True,
            text=True,
            env=env,
            check=False
        )
        
        if result.returncode != 0:
            print(f"Warning: Command '{' '.join(command)}' returned status {result.returncode}")
            print(f"Error output: {result.stderr}")
            return ""
            
        return result.stdout.strip()
    except Exception as e:
        print(f"Error running command '{' '.join(command)}': {e}")
        return ""

 def get_commit_details(commit_hash):
    """Get commit author and date details"""
    details = {}
    
    # Get commit details using format string
    format_str = {
        'date': '%cd',
        'author': '%an',
        'email': '%ae',
        'subject': '%s'
    }
    
    for key, fmt in format_str.items():
        result = run_git_command([
            'git', 'show', '-s',
            f'--format={fmt}',
            '--date=format:%Y-%m-%d %H:%M:%S',
            commit_hash
        ], color=False)
        details[key] = result
    
    # Combine author and email
    details['author_with_email'] = f"{details['author']} <{details['email']}>"
    return details

 def generate_html_header():
    """Generate HTML header with styling"""
    return """
    <!DOCTYPE html>
    <html>
    <head>
        <title>Git Analysis Report</title>
        <style>
            body { 
                font-family: Arial, sans-serif; 
                margin: 20px; 
                background-color: #f8f9fa;
            }
            .summary {
                background-color: #e3f2fd;
                padding: 20px;
                border-radius: 8px;
                margin-bottom: 30px;
                box-shadow: 0 2px 4px rgba(0,0,0,0.1);
            }
            .summary h2 {
                margin-top: 0;
                color: #1976d2;
            }
            .commit { 
                margin-bottom: 20px;
                background-color: white;
                padding: 20px;
                border-radius: 8px;
                box-shadow: 0 2px 4px rgba(0,0,0,0.1);
            }
            .commit-header {
                background-color: #f1f8ff;
                padding: 15px;
                border-radius: 5px;
                margin-bottom: 15px;
            }
            .commit-details {
                color: #586069;
                font-size: 0.9em;
                margin: 10px 0;
            }
            .commit-hash {
                font-family: monospace;
                background-color: #f6f8fa;
                padding: 2px 5px;
                border-radius: 3px;
            }
            .commit-subject {
                font-weight: bold;
                color: #24292e;
                margin: 5px 0;
            }
            .separator { 
                border-top: 1px solid #ccc; 
                margin: 10px 0; 
            }
            .file-name { 
                font-weight: bold; 
                color: #2c3e50; 
            }
            pre { 
                background-color: #1e1e1e; 
                color: #d4d4d4;
                padding: 15px; 
                border-radius: 5px;
                overflow-x: auto;
                font-family: 'Consolas', 'Monaco', monospace;
            }
            .diff { 
                white-space: pre-wrap; 
                font-family: 'Consolas', 'Monaco', monospace;
                line-height: 1.4;
            }
            .stats { 
                margin: 10px 0; 
                padding: 10px; 
                background-color: #f8f9fa;
                border-radius: 5px;
            }
            h1 {
                color: #2c3e50;
                border-bottom: 2px solid #3498db;
                padding-bottom: 10px;
            }
            h2 {
                color: #34495e;
                font-size: 1.5em;
                margin: 0;
            }
            h3 {
                color: #7f8c8d;
                font-size: 1.2em;
            }
            .error {
                color: #e74c3c;
                background-color: #fadbd8;
                padding: 10px;
                border-radius: 5px;
                margin: 10px 0;
            }
            .collapsible {
                background-color: #777;
                color: white;
                cursor: pointer;
                padding: 18px;
                width: 100%;
                border: none;
                text-align: left;
                outline: none;
                font-size: 15px;
            }

            .active, .collapsible:hover {
                background-color: #555;
            }

            .content {
                padding: 0 18px;
                display: none;
                overflow: hidden;
                background-color: #f1f1f1;
            }
            
            /* New style for expanded content */
            .content.expanded {
                display: block;
            }
            
            .commit-links {
                width: 100%;
                border-collapse: collapse;
                margin-bottom: 20px;
            }
            .commit-links th, .commit-links td {
                border: 1px solid #ddd;
                padding: 8px;
                text-align: left;
            }
            .commit-links th {
                background-color: #f2f2f2;
                font-weight: bold;
            }
            .commit-links tr:nth-child(even) {
                background-color: #f9f9f9;
            }
            .commit-links tr:hover {
                background-color: #f5f5f5;
            }

            .markdown-style {
                background-color: #f6f8fa;
                border-radius: 3px;
                font-family: monospace;
                padding: 2px 4px;
                font-size: 0.9em;
                color: #24292e;
            }
        </style>
        <script>
            document.addEventListener('DOMContentLoaded', (event) => {
                var coll = document.getElementsByClassName("collapsible");
                var i;

                for (i = 0; i < coll.length; i++) {
                    coll[i].addEventListener("click", function() {
                        this.classList.toggle("active");
                        var content = this.nextElementSibling;
                        if (content.style.display === "block") {
                            content.style.display = "none";
                        } else {
                            content.style.display = "block";
                        }
                    });
                    
                    // Expand the first section (Commit History Analysis) by default
                    if (i === 0) {
                        coll[i].classList.add("active");
                        coll[i].nextElementSibling.classList.add("expanded");
                    }
                }
            });
        </script>
    </head>
    <body>
    <h1>Git Analysis Report</h1>
    """

 def generate_html_footer():
    """Generate HTML footer"""
    return """
    </body>
    </html>
    """

 def analyse_git_history(start_date, end_date, output_file, target_path, source_branch, dest_branch, compare_head):
    """Analyse git history and generate HTML report"""
    
    # Get all commits in date range in chronological order (--reverse)
    commits = run_git_command([
        'git', 'log',
        '--reverse',  # Show commits from earlier to later
        f'--since={start_date}',
        f'--until={end_date}',
        source_branch,
        '--format=%H'
    ], color=False).split('\n')
    
    # Create HTML file
    with open(output_file, 'w', encoding='utf-8') as f:
        f.write(generate_html_header())
        
        # Add collapsible section for commit history
        f.write('<div class="collapsible-section">\n')
        f.write('<h2 class="collapsible">Commit History Analysis</h2>\n')
        f.write('<div class="content expanded">\n')  # Add 'expanded' class here
        f.write('<h3>Written by Thanh Le Viet - TGHI</h3>\n')
        f.write(f'<p>The analysis scanned all updated files in each commit from <b>{start_date}</b> to <b>{end_date}</b>, it then compared the file if any difference between <b>{source_branch}/HEAD</b> and <b>{dest_branch}/HEAD</b></p>\n')
        # Update total commits line with more information
        f.write(f'<p>Total commits: {len([c for c in commits if c])} (from <b>{start_date}</b> to <b>{end_date}</b>)</p>\n')
        
        # Add shortcut link to Total files with differences
        f.write('<p><a href="#total-files-diff">Jump to Total Files with Differences</a></p>\n')
        
        # Add shortcut links to each commit with author and date
        f.write('<h3>Commit Quick Links:</h3>\n')
        f.write('<table class="commit-links">\n')
        f.write('<tr><th>Commit</th><th>Author</th><th>Date</th><th>Message</th></tr>\n')  # Added Message column
        for i, commit in enumerate(commits, 1):
            if commit:
                details = get_commit_details(commit)
                short_hash = commit[:7]
                f.write('<tr>\n')
                f.write(f'<td><a href="#commit-{short_hash}">Commit {i}: {short_hash}</a></td>\n')
                f.write(f'<td>{escape(details["author"])}</td>\n')
                f.write(f'<td>{escape(details["date"])}</td>\n')
                f.write(f'<td>{escape(details["subject"])}</td>\n')  # Added commit message
                f.write('</tr>\n')
        f.write('</table>\n')
        
        # Process each commit
        all_files_with_diff = set()  # Set to store unique files with differences
        for i, commit in enumerate(commits, 1):
            if not commit:
                continue
            
            # Get commit details
            details = get_commit_details(commit)
            short_hash = commit[:7]
            
            f.write(f'<div id="commit-{short_hash}" class="commit">\n')
            f.write('<div class="commit-header">\n')
            f.write(f'<h2>Commit {i}: <span class="commit-hash">{escape(commit)}</span></h2>\n')
            f.write(f'<div class="commit-subject">{escape(details["subject"])}</div>\n')
            f.write('<div class="commit-details">\n')
            f.write(f'Author: {escape(details["author_with_email"])}<br>\n')
            f.write(f'Date: {escape(details["date"])}\n')
            f.write('</div>\n')
            f.write('</div>\n')
            
            # Show files changed in this commit
            f.write('<div class="stats">\n')
            f.write('<h3>Files changed in this commit:</h3>\n')
            stats = run_git_command([
                'git', 'show',
                '--stat',
                '--oneline',
                commit,
                '--',
                'src'
            ], color=True)
            
            if stats:
                f.write(f'<pre>{convert_ansi_to_html(stats)}</pre>\n')
            else:
                f.write(f'<div class="error">No changes found in {target_path} </div>\n')
            f.write('</div>\n')
            
            # Get changed files
            changed_files = run_git_command([
                'git', 'show',
                '--name-only',
                commit,
                '--',
                target_path
            ], color=False).split('\n')
            
            # Compare each changed file between branches
            files_with_diff = []  # List to store files with differences in this commit
            if any(file and '/' in file for file in changed_files):
                f.write(f'<h3>Differences (HEAD <-> HEAD) between {dest_branch} and {source_branch} for these files:</h3>\n')
                for file in changed_files:
                    if file and '/' in file:
                        f.write('<div class="file-diff">\n')
                        f.write(f'<p class="file-name">File: {escape(file)}</p>\n')
                        f.write(f'<p>Command: <code class="markdown-style">git diff {source_branch} {dest_branch} "{file}"</code></p>\n')
                        
                        diff = run_git_command([
                            'git', 'diff', 
                            source_branch,
                            dest_branch,
                            file
                        ], color=True)
                        
                        if diff:
                            print(diff)
                            f.write(f'<pre class="diff">{convert_ansi_to_html(diff)}</pre>\n')
                            files_with_diff.append(file)
                            all_files_with_diff.add(file)
                        else:
                            f.write('<div class="error">No differences found</div>\n')
                        f.write('</div>\n')
            
            # Write summary for this commit
            f.write(f'<p>Files with differences in this commit: {len(files_with_diff)}</p>\n')
            if files_with_diff:
                f.write('<ul>\n')
                for file in files_with_diff:
                    f.write(f'<li>{escape(file)}</li>\n')
                f.write('</ul>\n')
            
            f.write('<div class="separator"></div>\n')
            f.write('</div>\n')
        
        # Write total summary at the end of Commit History Analysis
        f.write('<div id="total-files-diff" class="summary">\n')
        f.write(f'<h3>Total files with differences: {len(all_files_with_diff)}</h3>\n')
        if all_files_with_diff:
            f.write('<ul>\n')
            for file in sorted(all_files_with_diff):
                f.write(f'<li>{escape(file)}</li>\n')
            f.write('</ul>\n')
        f.write('</div>\n')
        
        f.write('</div>\n')  # Close content div
        f.write('</div>\n')  # Close collapsible-section div
        
        # Add collapsible section for branch comparison only if compare_head is True
        if compare_head:
            f.write('<div class="collapsible-section">\n')
            f.write(f'<h2 class="collapsible">Branch Comparison: {source_branch} vs {dest_branch} (HEAD to HEAD)</h2>\n')
            f.write('<div class="content">\n')

            # Add summary section at the top of branch comparison
            f.write('<div class="summary">\n')
            f.write(f'<h3>Summary</h3>\n')
            f.write(f'<p>Time period: {start_date} to {end_date}</p>\n')
            f.write('</div>\n')

            # Add diff summary between source_branch and dest_branch
            diff_summary = run_git_command([
                'git', 'diff', '--name-only', source_branch, dest_branch, '--', target_path
            ], color=False).split('\n')
            diff_files = [file for file in diff_summary if file.strip()]
            
            f.write(f'<p>Files different between {source_branch} (HEAD) and {dest_branch} (HEAD): {len(diff_files)}</p>\n')
            if diff_files:
                f.write('<ul>\n')
                for file in diff_files:
                    f.write(f'<li>{escape(file)}</li>\n')
                f.write('</ul>\n')
                
                # Add diff for each file
                f.write(f'<h3>Differences (HEAD <-> HEAD) between {source_branch} and {dest_branch} for each file:</h3>\n')
                for file in diff_files:
                    f.write('<div class="file-diff">\n')
                    f.write(f'<p class="file-name">File: {escape(file)}</p>\n')
                    f.write(f'<p class="branch-info">Showing differences: {source_branch} → {dest_branch}</p>\n')
                    diff = run_git_command([
                        'git', 'diff', source_branch, dest_branch, '--', file
                    ], color=True)
                    if diff:
                        f.write(f'<pre class="diff">{convert_ansi_to_html(diff)}</pre>\n')
                    else:
                        f.write('<div class="error">No differences found between {source_branch} and {dest_branch}</div>\n')
                    f.write('</div>\n')
            
            f.write('</div>\n')  # Close content div
            f.write('</div>\n')  # Close collapsible-section div
        
        f.write(generate_html_footer())

 def main():
    parser = argparse.ArgumentParser(description="Generate Git analysis report")
    parser.add_argument("--start-date", default="2024-07-01", help="Start date for analysis (YYYY-MM-DD)")
    parser.add_argument("--end-date", default="2024-10-25", help="End date for analysis (YYYY-MM-DD)")
    parser.add_argument("--output", default="git_analysis_report.html", help="Output file name")
    parser.add_argument("--path", default="src", help="Target path for analysis")
    parser.add_argument("--source", default="trunk", help="Source branch for comparison")
    parser.add_argument("--dest", default="tghi-dev", help="Destination branch for comparison")
    parser.add_argument("--compare-head", action="store_true", help="Enable head-to-head branch comparison")
    
    args = parser.parse_args()
    
    # Run analysis
    analyse_git_history(args.start_date, args.end_date, args.output, args.path, args.source, args.dest, args.compare_head)
    print(f"Report generated: {args.output}")

 if __name__ == "__main__":
    main()
	#!/usr/bin/env python3
	"""
	Git Analysis Report Generator
	This script generates an HTML report analysing commits in a Git repository.
	Thanh Le Viet - TGHI
	"""
	import subprocess
	from datetime import datetime
	import os
	from html import escape
	import re
	import argparse

	def convert_ansi_to_html(ansi_text):
	"""Convert ANSI color codes to HTML/CSS spans"""
	if not ansi_text:
	return ""

	# ANSI color code to CSS color mapping
	color_map = {
	'31': 'red',
	'32': 'green',
	'33': 'yellow',
	'34': 'blue',
	'35': 'magenta',
	'36': 'cyan',
	'37': 'white',
	'91': '#ff5555', # bright red
	'92': '#55ff55', # bright green
	'93': '#ffff55', # bright yellow
	'94': '#5555ff', # bright blue
	'95': '#ff55ff', # bright magenta
	'96': '#55ffff', # bright cyan
	'97': '#ffffff', # bright white
	}

	# Replace ANSI reset code
	text = ansi_text.replace('\x1b[0m', '</span>')

	# Replace color codes with spans
	for code, color in color_map.items():
	text = text.replace(f'\x1b[{code}m', f'<span style="color: {color}">')
	# Handle bold/bright variants
	text = text.replace(f'\x1b[1;{code}m', f'<span style="color: {color}; font-weight: bold">')

	# Clean up any remaining ANSI codes
	text = re.sub(r'\x1b\[[0-9;]*[mGKH]', '', text)

	# Balance any unclosed spans
	open_spans = text.count('<span') - text.count('</span>')
	if open_spans > 0:
	text += '</span>' * open_spans

	return text

	def run_git_command(command, color=True):
	"""Run a git command and return its output"""
	try:
	# Split command if it's a string
	if isinstance(command, str):
	command = command.split()

	# Set up environment for color output
	env = dict(os.environ)
	if color:
	env.update({
	'TERM': 'xterm-256color',
	'FORCE_COLOR': '1', # Add this line
	'GIT_CONFIG_COUNT': '3', # Increase count to 3
	'GIT_CONFIG_KEY_0': 'color.ui',
	'GIT_CONFIG_VALUE_0': 'always',
	'GIT_CONFIG_KEY_1': 'color.diff',
	'GIT_CONFIG_VALUE_1': 'always',
	'GIT_CONFIG_KEY_2': 'color.status', # Add status coloring
	'GIT_CONFIG_VALUE_2': 'always'
	})
	# Add -c options to force colors
	if command[0] == 'git':
	command[1:1] = ['-c', 'color.ui=always', '-c', 'color.diff=always']

	result = subprocess.run(
	command,
	capture_output=True,
	text=True,
	env=env,
	check=False
	)

	if result.returncode != 0:
	print(f"Warning: Command '{' '.join(command)}' returned status {result.returncode}")
	print(f"Error output: {result.stderr}")
	return ""

	return result.stdout.strip()
	except Exception as e:
	print(f"Error running command '{' '.join(command)}': {e}")
	return ""

	def get_commit_details(commit_hash):
	"""Get commit author and date details"""
	details = {}

	# Get commit details using format string
	format_str = {
	'date': '%cd',
	'author': '%an',
	'email': '%ae',
	'subject': '%s'
	}

	for key, fmt in format_str.items():
	result = run_git_command([
	'git', 'show', '-s',
	f'--format={fmt}',
	'--date=format:%Y-%m-%d %H:%M:%S',
	commit_hash
	], color=False)
	details[key] = result

	# Combine author and email
	details['author_with_email'] = f"{details['author']} <{details['email']}>"
	return details

	def generate_html_header():
	"""Generate HTML header with styling"""
	return """
	<!DOCTYPE html>
	<html>
	<head>
	<title>Git Analysis Report</title>
	<style>
	body {
	font-family: Arial, sans-serif;
	margin: 20px;
	background-color: #f8f9fa;
	}
	.summary {
	background-color: #e3f2fd;
	padding: 20px;
	border-radius: 8px;
	margin-bottom: 30px;
	box-shadow: 0 2px 4px rgba(0,0,0,0.1);
	}
	.summary h2 {
	margin-top: 0;
	color: #1976d2;
	}
	.commit {
	margin-bottom: 20px;
	background-color: white;
	padding: 20px;
	border-radius: 8px;
	box-shadow: 0 2px 4px rgba(0,0,0,0.1);
	}
	.commit-header {
	background-color: #f1f8ff;
	padding: 15px;
	border-radius: 5px;
	margin-bottom: 15px;
	}
	.commit-details {
	color: #586069;
	font-size: 0.9em;
	margin: 10px 0;
	}
	.commit-hash {
	font-family: monospace;
	background-color: #f6f8fa;
	padding: 2px 5px;
	border-radius: 3px;
	}
	.commit-subject {
	font-weight: bold;
	color: #24292e;
	margin: 5px 0;
	}
	.separator {
	border-top: 1px solid #ccc;
	margin: 10px 0;
	}
	.file-name {
	font-weight: bold;
	color: #2c3e50;
	}
	pre {
	background-color: #1e1e1e;
	color: #d4d4d4;
	padding: 15px;
	border-radius: 5px;
	overflow-x: auto;
	font-family: 'Consolas', 'Monaco', monospace;
	}
	.diff {
	white-space: pre-wrap;
	font-family: 'Consolas', 'Monaco', monospace;
	line-height: 1.4;
	}
	.stats {
	margin: 10px 0;
	padding: 10px;
	background-color: #f8f9fa;
	border-radius: 5px;
	}
	h1 {
	color: #2c3e50;
	border-bottom: 2px solid #3498db;
	padding-bottom: 10px;
	}
	h2 {
	color: #34495e;
	font-size: 1.5em;
	margin: 0;
	}
	h3 {
	color: #7f8c8d;
	font-size: 1.2em;
	}
	.error {
	color: #e74c3c;
	background-color: #fadbd8;
	padding: 10px;
	border-radius: 5px;
	margin: 10px 0;
	}
	.collapsible {
	background-color: #777;
	color: white;
	cursor: pointer;
	padding: 18px;
	width: 100%;
	border: none;
	text-align: left;
	outline: none;
	font-size: 15px;
	}

	.active, .collapsible:hover {
	background-color: #555;
	}

	.content {
	padding: 0 18px;
	display: none;
	overflow: hidden;
	background-color: #f1f1f1;
	}

	/* New style for expanded content */
	.content.expanded {
	display: block;
	}

	.commit-links {
	width: 100%;
	border-collapse: collapse;
	margin-bottom: 20px;
	}
	.commit-links th, .commit-links td {
	border: 1px solid #ddd;
	padding: 8px;
	text-align: left;
	}
	.commit-links th {
	background-color: #f2f2f2;
	font-weight: bold;
	}
	.commit-links tr:nth-child(even) {
	background-color: #f9f9f9;
	}
	.commit-links tr:hover {
	background-color: #f5f5f5;
	}

	.markdown-style {
	background-color: #f6f8fa;
	border-radius: 3px;
	font-family: monospace;
	padding: 2px 4px;
	font-size: 0.9em;
	color: #24292e;
	}
	</style>
	<script>
	document.addEventListener('DOMContentLoaded', (event) => {
	var coll = document.getElementsByClassName("collapsible");
	var i;

	for (i = 0; i < coll.length; i++) {
	coll[i].addEventListener("click", function() {
	this.classList.toggle("active");
	var content = this.nextElementSibling;
	if (content.style.display === "block") {
	content.style.display = "none";
	} else {
	content.style.display = "block";
	}
	});

	// Expand the first section (Commit History Analysis) by default
	if (i === 0) {
	coll[i].classList.add("active");
	coll[i].nextElementSibling.classList.add("expanded");
	}
	}
	});
	</script>
	</head>
	<body>
	<h1>Git Analysis Report</h1>
	"""

	def generate_html_footer():
	"""Generate HTML footer"""
	return """
	</body>
	</html>
	"""

	def analyse_git_history(start_date, end_date, output_file, target_path, source_branch, dest_branch, compare_head):
	"""Analyse git history and generate HTML report"""

	# Get all commits in date range in chronological order (--reverse)
	commits = run_git_command([
	'git', 'log',
	'--reverse', # Show commits from earlier to later
	f'--since={start_date}',
	f'--until={end_date}',
	source_branch,
	'--format=%H'
	], color=False).split('\n')

	# Create HTML file
	with open(output_file, 'w', encoding='utf-8') as f:
	f.write(generate_html_header())

	# Add collapsible section for commit history
	f.write('<div class="collapsible-section">\n')
	f.write('<h2 class="collapsible">Commit History Analysis</h2>\n')
	f.write('<div class="content expanded">\n') # Add 'expanded' class here
	f.write('<h3>Written by Thanh Le Viet - TGHI</h3>\n')
	f.write(f'<p>The analysis scanned all updated files in each commit from <b>{start_date}</b> to <b>{end_date}</b>, it then compared the file if any difference between <b>{source_branch}/HEAD</b> and <b>{dest_branch}/HEAD</b></p>\n')
	# Update total commits line with more information
	f.write(f'<p>Total commits: {len([c for c in commits if c])} (from <b>{start_date}</b> to <b>{end_date}</b>)</p>\n')

	# Add shortcut link to Total files with differences
	f.write('<p><a href="#total-files-diff">Jump to Total Files with Differences</a></p>\n')

	# Add shortcut links to each commit with author and date
	f.write('<h3>Commit Quick Links:</h3>\n')
	f.write('<table class="commit-links">\n')
	f.write('<tr><th>Commit</th><th>Author</th><th>Date</th><th>Message</th></tr>\n') # Added Message column
	for i, commit in enumerate(commits, 1):
	if commit:
	details = get_commit_details(commit)
	short_hash = commit[:7]
	f.write('<tr>\n')
	f.write(f'<td><a href="#commit-{short_hash}">Commit {i}: {short_hash}</a></td>\n')
	f.write(f'<td>{escape(details["author"])}</td>\n')
	f.write(f'<td>{escape(details["date"])}</td>\n')
	f.write(f'<td>{escape(details["subject"])}</td>\n') # Added commit message
	f.write('</tr>\n')
	f.write('</table>\n')

	# Process each commit
	all_files_with_diff = set() # Set to store unique files with differences
	for i, commit in enumerate(commits, 1):
	if not commit:
	continue

	# Get commit details
	details = get_commit_details(commit)
	short_hash = commit[:7]

	f.write(f'<div id="commit-{short_hash}" class="commit">\n')
	f.write('<div class="commit-header">\n')
	f.write(f'<h2>Commit {i}: <span class="commit-hash">{escape(commit)}</span></h2>\n')
	f.write(f'<div class="commit-subject">{escape(details["subject"])}</div>\n')
	f.write('<div class="commit-details">\n')
	f.write(f'Author: {escape(details["author_with_email"])}<br>\n')
	f.write(f'Date: {escape(details["date"])}\n')
	f.write('</div>\n')
	f.write('</div>\n')

	# Show files changed in this commit
	f.write('<div class="stats">\n')
	f.write('<h3>Files changed in this commit:</h3>\n')
	stats = run_git_command([
	'git', 'show',
	'--stat',
	'--oneline',
	commit,
	'--',
	'src'
	], color=True)

	if stats:
	f.write(f'<pre>{convert_ansi_to_html(stats)}</pre>\n')
	else:
	f.write(f'<div class="error">No changes found in {target_path} </div>\n')
	f.write('</div>\n')

	# Get changed files
	changed_files = run_git_command([
	'git', 'show',
	'--name-only',
	commit,
	'--',
	target_path
	], color=False).split('\n')

	# Compare each changed file between branches
	files_with_diff = [] # List to store files with differences in this commit
	if any(file and '/' in file for file in changed_files):
	f.write(f'<h3>Differences (HEAD <-> HEAD) between {dest_branch} and {source_branch} for these files:</h3>\n')
	for file in changed_files:
	if file and '/' in file:
	f.write('<div class="file-diff">\n')
	f.write(f'<p class="file-name">File: {escape(file)}</p>\n')
	f.write(f'<p>Command: <code class="markdown-style">git diff {source_branch} {dest_branch} "{file}"</code></p>\n')

	diff = run_git_command([
	'git', 'diff',
	source_branch,
	dest_branch,
	file
	], color=True)

	if diff:
	print(diff)
	f.write(f'<pre class="diff">{convert_ansi_to_html(diff)}</pre>\n')
	files_with_diff.append(file)
	all_files_with_diff.add(file)
	else:
	f.write('<div class="error">No differences found</div>\n')
	f.write('</div>\n')

	# Write summary for this commit
	f.write(f'<p>Files with differences in this commit: {len(files_with_diff)}</p>\n')
	if files_with_diff:
	f.write('<ul>\n')
	for file in files_with_diff:
	f.write(f'<li>{escape(file)}</li>\n')
	f.write('</ul>\n')

	f.write('<div class="separator"></div>\n')
	f.write('</div>\n')

	# Write total summary at the end of Commit History Analysis
	f.write('<div id="total-files-diff" class="summary">\n')
	f.write(f'<h3>Total files with differences: {len(all_files_with_diff)}</h3>\n')
	if all_files_with_diff:
	f.write('<ul>\n')
	for file in sorted(all_files_with_diff):
	f.write(f'<li>{escape(file)}</li>\n')
	f.write('</ul>\n')
	f.write('</div>\n')

	f.write('</div>\n') # Close content div
	f.write('</div>\n') # Close collapsible-section div

	# Add collapsible section for branch comparison only if compare_head is True
	if compare_head:
	f.write('<div class="collapsible-section">\n')
	f.write(f'<h2 class="collapsible">Branch Comparison: {source_branch} vs {dest_branch} (HEAD to HEAD)</h2>\n')
	f.write('<div class="content">\n')

	# Add summary section at the top of branch comparison
	f.write('<div class="summary">\n')
	f.write(f'<h3>Summary</h3>\n')
	f.write(f'<p>Time period: {start_date} to {end_date}</p>\n')
	f.write('</div>\n')

	# Add diff summary between source_branch and dest_branch
	diff_summary = run_git_command([
	'git', 'diff', '--name-only', source_branch, dest_branch, '--', target_path
	], color=False).split('\n')
	diff_files = [file for file in diff_summary if file.strip()]

	f.write(f'<p>Files different between {source_branch} (HEAD) and {dest_branch} (HEAD): {len(diff_files)}</p>\n')
	if diff_files:
	f.write('<ul>\n')
	for file in diff_files:
	f.write(f'<li>{escape(file)}</li>\n')
	f.write('</ul>\n')

	# Add diff for each file
	f.write(f'<h3>Differences (HEAD <-> HEAD) between {source_branch} and {dest_branch} for each file:</h3>\n')
	for file in diff_files:
	f.write('<div class="file-diff">\n')
	f.write(f'<p class="file-name">File: {escape(file)}</p>\n')
	f.write(f'<p class="branch-info">Showing differences: {source_branch} → {dest_branch}</p>\n')
	diff = run_git_command([
	'git', 'diff', source_branch, dest_branch, '--', file
	], color=True)
	if diff:
	f.write(f'<pre class="diff">{convert_ansi_to_html(diff)}</pre>\n')
	else:
	f.write('<div class="error">No differences found between {source_branch} and {dest_branch}</div>\n')
	f.write('</div>\n')

	f.write('</div>\n') # Close content div
	f.write('</div>\n') # Close collapsible-section div

	f.write(generate_html_footer())

	def main():
	parser = argparse.ArgumentParser(description="Generate Git analysis report")
	parser.add_argument("--start-date", default="2024-07-01", help="Start date for analysis (YYYY-MM-DD)")
	parser.add_argument("--end-date", default="2024-10-25", help="End date for analysis (YYYY-MM-DD)")
	parser.add_argument("--output", default="git_analysis_report.html", help="Output file name")
	parser.add_argument("--path", default="src", help="Target path for analysis")
	parser.add_argument("--source", default="trunk", help="Source branch for comparison")
	parser.add_argument("--dest", default="tghi-dev", help="Destination branch for comparison")
	parser.add_argument("--compare-head", action="store_true", help="Enable head-to-head branch comparison")

	args = parser.parse_args()

	# Run analysis
	analyse_git_history(args.start_date, args.end_date, args.output, args.path, args.source, args.dest, args.compare_head)
	print(f"Report generated: {args.output}")

	if __name__ == "__main__":
	main()