.wezterm.lua

local wezterm = require("wezterm")
local act = wezterm.action
local mux = wezterm.mux

local config = wezterm.config_builder()

-- Session Management Plugin
local workspace_switcher = wezterm.plugin.require("https://github.com/MLFlexer/smart_workspace_switcher.wezterm")
workspace_switcher.zoxide_path = "/usr/bin/zoxide"

-- Font configuration (exactly matching ghostty config)
config.font = wezterm.font("CaskaydiaMono Nerd Font")
config.font_size = 12
config.harfbuzz_features = { "liga", "calt" }
config.font_rules = {
        {
                intensity = "Bold",
                font = wezterm.font("CaskaydiaMono Nerd Font", { weight = "Bold" }),
        },
        {
                italic = true,
                font = wezterm.font("CaskaydiaMono Nerd Font", { style = "Italic" }),
        },
        {
                intensity = "Bold",
                italic = true,
                font = wezterm.font("CaskaydiaMono Nerd Font", { weight = "Bold", style = "Italic" }),
        },
}
config.cell_width = 1.0
config.line_height = 1.1
config.adjust_window_size_when_changing_font_size = false

-- Font rendering to match ghostty (enhanced)
config.freetype_load_target = "Light"
config.freetype_render_target = "HorizontalLcd"
config.freetype_load_flags = "NO_HINTING"

-- Disable custom rendering that might interfere
config.custom_block_glyphs = false
config.use_cap_height_to_scale_fallback_fonts = false

-- Window configuration
config.window_padding = {
        left = 14,
        right = 14,
        top = 14,
        bottom = 14,
}
config.window_decorations = "NONE"
config.enable_wayland = false
config.window_background_opacity = 0.98
config.text_background_opacity = 1.0

-- Focus follows mouse (from Ghostty)
config.pane_focus_follows_mouse = true

-- Background blur and visual effects
config.macos_window_background_blur = 20
config.window_background_gradient = {
        orientation = "Vertical",
        colors = {
                "#1a1b26",
                "#16161e",
        },
}

-- Cursor configuration
config.default_cursor_style = "BlinkingUnderline"
config.cursor_blink_rate = 1000
config.cursor_blink_ease_in = "Constant"
config.cursor_blink_ease_out = "Constant"

-- Tokyo Night theme colors
config.colors = {
        foreground = "#a9b1d6",
        background = "#1a1b26",

        cursor_bg = "#a9b1d6",
        cursor_fg = "#1a1b26",
        cursor_border = "#a9b1d6",

        selection_fg = "#1a1b26",
        selection_bg = "#7aa2f7",

        scrollbar_thumb = "#444b6a",

        split = "#32344a",

        ansi = {
                "#32344a", -- black
                "#f7768e", -- red
                "#9ece6a", -- green
                "#e0af68", -- yellow
                "#7aa2f7", -- blue
                "#ad8ee6", -- magenta
                "#449dab", -- cyan
                "#787c99", -- white
        },
        brights = {
                "#444b6a", -- bright black
                "#ff7a93", -- bright red
                "#b9f27c", -- bright green
                "#ff9e64", -- bright yellow
                "#7da6ff", -- bright blue
                "#bb9af7", -- bright magenta
                "#0db9d7", -- bright cyan
                "#acb0d0", -- bright white
        },
}

-- Enhanced tab bar configuration (blog post style)
config.enable_tab_bar = true
config.use_fancy_tab_bar = false
config.tab_bar_at_bottom = false
config.hide_tab_bar_if_only_one_tab = false
config.show_new_tab_button_in_tab_bar = false
config.tab_max_width = 32

-- Custom tab styling
config.colors.tab_bar = {
        background = "#1a1b26",
        active_tab = {
                bg_color = "#7aa2f7",
                fg_color = "#1a1b26",
                intensity = "Bold",
        },
        inactive_tab = {
                bg_color = "#32344a",
                fg_color = "#787c99",
        },
        inactive_tab_hover = {
                bg_color = "#444b6a",
                fg_color = "#a9b1d6",
        },
        new_tab = {
                bg_color = "#32344a",
                fg_color = "#787c99",
        },
        new_tab_hover = {
                bg_color = "#444b6a",
                fg_color = "#a9b1d6",
        },
}

-- Scrollback and scrolling enhancements
config.scrollback_lines = 10000
config.enable_scroll_bar = true
config.mouse_wheel_scrolls_tabs = false

-- Default shell command to ensure prompt loads properly
config.default_prog = { "/bin/bash", "-l", "-c", "exec bash" }

-- Keybindings
config.keys = {
        -- Fullscreen toggle
        { key = "F11", action = wezterm.action.ToggleFullScreen },

        -- Tab management
        { key = "t", mods = "CTRL|SHIFT", action = wezterm.action.SpawnTab("CurrentPaneDomain") },
        { key = "q", mods = "CTRL|SHIFT", action = wezterm.action.CloseCurrentTab({ confirm = true }) },
        { key = "RightArrow", mods = "CTRL|SHIFT", action = wezterm.action.ActivateTabRelative(1) },
        { key = "LeftArrow", mods = "CTRL|SHIFT", action = wezterm.action.ActivateTabRelative(-1) },

        -- Workspace management
        { key = "s", mods = "CTRL|SHIFT", action = workspace_switcher.switch_workspace() },
        { key = "w", mods = "CTRL|SHIFT", action = act.ShowLauncherArgs({ flags = "FUZZY|WORKSPACES" }) },
        { key = "LeftBracket", mods = "CTRL|SHIFT", action = act.SwitchWorkspaceRelative(-1) },
        { key = "RightBracket", mods = "CTRL|SHIFT", action = act.SwitchWorkspaceRelative(1) },
        { key = "d", mods = "CTRL|SHIFT", action = act.SwitchToWorkspace({ name = "default" }) },

        -- Direct tab switching with Alt+Ctrl+number
        { key = "1", mods = "ALT|CTRL", action = wezterm.action.ActivateTab(0) },
        { key = "2", mods = "ALT|CTRL", action = wezterm.action.ActivateTab(1) },
        { key = "3", mods = "ALT|CTRL", action = wezterm.action.ActivateTab(2) },
        { key = "4", mods = "ALT|CTRL", action = wezterm.action.ActivateTab(3) },
        { key = "5", mods = "ALT|CTRL", action = wezterm.action.ActivateTab(4) },
        { key = "6", mods = "ALT|CTRL", action = wezterm.action.ActivateTab(5) },
        { key = "7", mods = "ALT|CTRL", action = wezterm.action.ActivateTab(6) },
        { key = "8", mods = "ALT|CTRL", action = wezterm.action.ActivateTab(7) },
        { key = "9", mods = "ALT|CTRL", action = wezterm.action.ActivateTab(8) },

        -- Tmux-style pane splitting (prefix key approach)
        {
                key = "a",
                mods = "CTRL",
                action = wezterm.action.ActivateKeyTable({
                        name = "tmux_mode",
                        one_shot = true,
                        timeout_milliseconds = 1000,
                }),
        },

        -- Pane navigation
        { key = "h", mods = "CTRL|SHIFT", action = wezterm.action.ActivatePaneDirection("Left") },
        { key = "l", mods = "CTRL|SHIFT", action = wezterm.action.ActivatePaneDirection("Right") },
        { key = "k", mods = "CTRL|SHIFT", action = wezterm.action.ActivatePaneDirection("Up") },
        { key = "j", mods = "CTRL|SHIFT", action = wezterm.action.ActivatePaneDirection("Down") },

        -- Search functionality
        { key = "f", mods = "CTRL|SHIFT", action = wezterm.action.Search({ CaseInSensitiveString = "" }) },

        -- Command palette
        { key = "p", mods = "CTRL|SHIFT", action = wezterm.action.ActivateCommandPalette },

        -- Copy/paste enhancements with popup notification
        {
                key = "c",
                mods = "CTRL|SHIFT",
                action = wezterm.action.Multiple({
                        wezterm.action.CopyTo("Clipboard"),
                        wezterm.action.EmitEvent("show-copy-notification"),
                }),
        },
        { key = "v", mods = "CTRL|SHIFT", action = wezterm.action.PasteFrom("Clipboard") },

        -- Scrolling shortcuts
        { key = "PageUp", mods = "SHIFT", action = wezterm.action.ScrollByPage(-1) },
        { key = "PageDown", mods = "SHIFT", action = wezterm.action.ScrollByPage(1) },
        { key = "Home", mods = "SHIFT", action = wezterm.action.ScrollToTop },
        { key = "End", mods = "SHIFT", action = wezterm.action.ScrollToBottom },

        -- Window management
        { key = "z", mods = "CTRL|SHIFT", action = wezterm.action.TogglePaneZoomState },
        { key = "=", mods = "CTRL", action = wezterm.action.IncreaseFontSize },
        { key = "-", mods = "CTRL", action = wezterm.action.DecreaseFontSize },
        { key = "0", mods = "CTRL", action = wezterm.action.ResetFontSize },

        -- Pane resizing
        { key = "LeftArrow", mods = "CTRL|ALT", action = wezterm.action.AdjustPaneSize({ "Left", 5 }) },
        { key = "RightArrow", mods = "CTRL|ALT", action = wezterm.action.AdjustPaneSize({ "Right", 5 }) },
        { key = "UpArrow", mods = "CTRL|ALT", action = wezterm.action.AdjustPaneSize({ "Up", 5 }) },
        { key = "DownArrow", mods = "CTRL|ALT", action = wezterm.action.AdjustPaneSize({ "Down", 5 }) },
}

-- Performance optimizations
config.front_end = "OpenGL"

-- Enhanced visual effects
config.inactive_pane_hsb = {
        saturation = 0.9,
        brightness = 0.85,
}

-- Selection and copy behavior
config.selection_word_boundary = " \t\n{}[]()\"'`"
config.bypass_mouse_reporting_modifiers = "SHIFT"

-- Visual bell instead of audio (subtle)
config.audible_bell = "Disabled"
config.visual_bell = {
        fade_in_function = "EaseIn",
        fade_in_duration_ms = 75,
        fade_out_function = "EaseOut",
        fade_out_duration_ms = 75,
}
config.colors.visual_bell = "#444b6a"

-- Oh-my-tmux style key table (prefix mode: Ctrl+A)
config.key_tables = {
        tmux_mode = {
                -- Split panes (simple keys)
                { key = "v", action = wezterm.action.SplitHorizontal({ domain = "CurrentPaneDomain" }) }, -- vertical split (pane to right)
                { key = "h", action = wezterm.action.SplitVertical({ domain = "CurrentPaneDomain" }) }, -- horizontal split (pane below)

                -- Oh-my-tmux additional split bindings
                { key = "-", action = wezterm.action.SplitVertical({ domain = "CurrentPaneDomain" }) }, -- split horizontally (pane below)
                { key = "_", action = wezterm.action.SplitHorizontal({ domain = "CurrentPaneDomain" }) }, -- split vertically (pane right)

                -- Pane navigation (using arrow keys to avoid conflict with split)
                { key = "LeftArrow", action = wezterm.action.ActivatePaneDirection("Left") },
                { key = "DownArrow", action = wezterm.action.ActivatePaneDirection("Down") },
                { key = "UpArrow", action = wezterm.action.ActivatePaneDirection("Up") },
                { key = "RightArrow", action = wezterm.action.ActivatePaneDirection("Right") },

                -- Pane resizing (oh-my-tmux style)
                { key = "H", action = wezterm.action.AdjustPaneSize({ "Left", 2 }) },
                { key = "J", action = wezterm.action.AdjustPaneSize({ "Down", 2 }) },
                { key = "K", action = wezterm.action.AdjustPaneSize({ "Up", 2 }) },
                { key = "L", action = wezterm.action.AdjustPaneSize({ "Right", 2 }) },

                -- Pane swapping (oh-my-tmux style)
                { key = ">", action = wezterm.action.RotatePanes("Clockwise") },
                { key = "<", action = wezterm.action.RotatePanes("CounterClockwise") },

                -- Maximize current pane (oh-my-tmux +)
                { key = "+", action = wezterm.action.TogglePaneZoomState },

                -- Window navigation (oh-my-tmux style)
                { key = "h", mods = "CTRL", action = wezterm.action.ActivateTabRelative(-1) },
                { key = "l", mods = "CTRL", action = wezterm.action.ActivateTabRelative(1) },
                { key = "Tab", action = wezterm.action.ActivateLastTab },

                -- Session/window management
                { key = "c", mods = "CTRL", action = wezterm.action.SpawnTab("CurrentPaneDomain") }, -- new session (closest to new tab)
                { key = "c", action = wezterm.action.SpawnTab("CurrentPaneDomain") }, -- new window (tab)

                -- Config reload (oh-my-tmux 'r')
                { key = "r", action = wezterm.action.ReloadConfiguration },

                -- Clear screen and history (oh-my-tmux Ctrl+l)
                {
                        key = "l",
                        mods = "CTRL",
                        action = wezterm.action.Multiple({
                                wezterm.action.SendKey({ key = "l", mods = "CTRL" }),
                                wezterm.action.ClearScrollback("ScrollbackAndViewport"),
                        }),
                },

                -- Close current pane
                { key = "x", action = wezterm.action.CloseCurrentPane({ confirm = true }) },

                -- Pane management
                { key = "z", action = wezterm.action.TogglePaneZoomState }, -- toggle zoom (duplicate of +)
                { key = "o", action = wezterm.action.ActivatePaneByIndex(0) }, -- cycle through panes
                { key = "q", action = wezterm.action.PaneSelect }, -- show pane numbers
                { key = "{", action = wezterm.action.RotatePanes("CounterClockwise") }, -- move pane left
                { key = "}", action = wezterm.action.RotatePanes("Clockwise") }, -- move pane right
                { key = "!", action = wezterm.action.SpawnTab("CurrentPaneDomain") }, -- break pane into new tab
                { key = ";", action = wezterm.action.ActivateLastTab }, -- go to last active (using tab as closest equivalent)

                -- Exit tmux mode
                { key = "Escape", action = "PopKeyTable" },
                { key = "a", mods = "CTRL", action = "PopKeyTable" }, -- double Ctrl+A to exit
        },
}

-- Custom tab title formatting (from blog post)
local function get_current_working_dir(tab)
        local current_dir = tab.active_pane and tab.active_pane.current_working_dir or { file_path = "" }
        local HOME_DIR = string.format("file://%s", os.getenv("HOME"))

        return current_dir.file_path == HOME_DIR and "~" or string.gsub(current_dir.file_path, "(.*[/\\])(.*)", "%2")
end

wezterm.on("format-tab-title", function(tab, tabs, panes, config, hover, max_width)
        local has_unseen_output = false
        if not tab.is_active then
                for _, pane in ipairs(tab.panes) do
                        if pane.has_unseen_output then
                                has_unseen_output = true
                                break
                        end
                end
        end

        -- Get the window title (what applications set dynamically)
        local window_title = tab.active_pane.title or ""

        -- Get current working directory
        local cwd = get_current_working_dir(tab)

        -- Format: [1] app_title (directory) or [1] directory if no title
        local title
        if window_title and window_title ~= "" and window_title ~= cwd then
                title = string.format(" [%s] %s (%s) ", tab.tab_index + 1, window_title, cwd)
        else
                title = string.format(" [%s] %s ", tab.tab_index + 1, cwd)
        end

        if has_unseen_output then
                return {
                        { Foreground = { Color = "#bb9af7" } }, -- Tokyo Night purple for unseen output
                        { Text = title },
                }
        end

        return {
                { Text = title },
        }
end)

-- Startup workspace configuration
wezterm.on("gui-startup", function(cmd)
        -- Create a default workspace with the home directory
        local home_path = wezterm.home_dir
        local tab, pane, window = mux.spawn_window({
                workspace = "default",
                cwd = home_path,
        })
        mux.set_active_workspace("default")
end)

-- Copy notification popup (simple and clean)
local copy_notification_visible = false

wezterm.on("show-copy-notification", function(window, pane)
        copy_notification_visible = true

        -- Clear notification after 1 second
        wezterm.time.call_after(1.0, function()
                copy_notification_visible = false
        end)
end)

-- Status handling for notifications, tmux mode, and workspace display
wezterm.on("update-right-status", function(window, pane)
        local key_table = window:active_key_table()

        if copy_notification_visible then
                window:set_right_status(wezterm.format({
                        { Background = { Color = "#32344a" } },
                        { Foreground = { Color = "#a9b1d6" } },
                        { Text = " ✓ COPIED " },
                }))
        elseif key_table == "tmux_mode" then
                window:set_right_status(wezterm.format({
                        { Background = { Color = "#e0af68" } },
                        { Foreground = { Color = "#1a1b26" } },
                        { Text = " TMUX MODE " },
                }))
        else
                -- Show current workspace name (including default)
                local workspace_name = window:active_workspace()
                if workspace_name then
                        window:set_right_status(wezterm.format({
                                { Background = { Color = "#7aa2f7" } },
                                { Foreground = { Color = "#1a1b26" } },
                                { Text = " " .. workspace_name .. " " },
                        }))
                else
                        window:set_right_status("")
                end
        end
end)

return config