# ============================================
# TMUX CONFIGURATION
# ============================================

# ============================================
# TERMINAL & ENVIRONMENT
# ============================================

# Terminal settings
set -g allow-passthrough on
set -ga update-environment TERM
set -ga update-environment TERM_PROGRAM
set -g default-terminal "tmux-256color"
set-option -ga terminal-overrides ",xterm-kitty:Tc,*:Tc,*:RGB"
set -as terminal-features ",xterm-256color:RGB,tmux-256color:RGB"

# Shell configuration
set -g default-command /bin/zsh

# Environment variables for proper shell integration
# KITTY_WINDOW_ID and KITTY_PID intentionally NOT passed through
# so Yazi inside tmux doesn't auto-detect Kitty and send kitty graphics protocol
set -ga update-environment XDG_CONFIG_HOME
set -ga update-environment ZDOTDIR

# ============================================
# GENERAL SETTINGS
# ============================================

# Start windows and panes at 1, not 0
set -g base-index 1
setw -g pane-base-index 1

# Renumber windows when one is closed
set -g renumber-windows on

# Increase scrollback buffer size
set -g history-limit 10000

# Let tmux auto-name unnamed windows, but keep manual names sticky.
# `allow-rename` lets shells/apps overwrite names via terminal title escapes.
set-option -g allow-rename off
set-option -g automatic-rename on

# Reduce escape time for neovim
set -sg escape-time 0

# Enable focus events
set -g focus-events on

# Show pane numbers longer
set -g display-panes-time 2000

# Show messages longer
set -g display-time 2000

# Resize to largest attached client
set -g window-size largest

# ============================================
# VI-LIKE KEYBINDINGS
# ============================================

# Vi mode
setw -g mode-keys vi
set -g status-keys vi

# Smart pane switching with vim awareness handled by vim-tmux-navigator plugin

# Vi-like pane resizing
bind -r H resize-pane -L 5
bind -r J resize-pane -D 5
bind -r K resize-pane -U 5
bind -r L resize-pane -R 5

# Vi-like copy mode
bind-key -T copy-mode-vi 'v' send -X begin-selection
bind-key -T copy-mode-vi 'y' send -X copy-selection-and-cancel
bind-key -T copy-mode-vi 'r' send -X rectangle-toggle

# Enter copy mode with Escape
bind Escape copy-mode

# ============================================
# PANE MANAGEMENT
# ============================================

# Split panes with v and s (vi-like), defaults % and " still work
bind v split-window -h -c "#{pane_current_path}"
bind s split-window -v -c "#{pane_current_path}"
bind % split-window -h -c "#{pane_current_path}"
bind '"' split-window -v -c "#{pane_current_path}"

# New window in current path
bind c new-window -c "#{pane_current_path}"

# Quick pane cycling
bind -r C-h select-window -t :-

# Kill pane without confirmation
bind x kill-pane

# Kill window without confirmation
bind X kill-window

# Toggle zoom
bind z resize-pane -Z

# Quick session switching
bind S choose-tree -sZ -O name

# Create new session
bind N command-prompt -p "New session name:" "new-session -d -s '%%'"

# ============================================
# MOUSE SUPPORT
# ============================================

set -g mouse on

# Don't jump to bottom when mouse selecting
unbind -T copy-mode-vi MouseDragEnd1Pane

# Mouse click behavior - simple pane selection without copy-mode
bind-key -T copy-mode-vi MouseDown1Pane select-pane
bind-key -T copy-mode MouseDown1Pane select-pane
bind-key -n MouseDown1Pane select-pane -t =

# ============================================
# PLUGINS
# ============================================

set -g @plugin 'tmux-plugins/tpm'
set -g @plugin 'tmux-plugins/tmux-sensible'
set -g @plugin 'tmux-plugins/tmux-resurrect'
set -g @plugin 'tmux-plugins/tmux-continuum'
set -g @plugin 'tmux-plugins/tmux-yank'
set -g @plugin 'tmux-plugins/tmux-copycat'
set -g @plugin 'sainnhe/tmux-fzf'
set -g @plugin 'laktak/extrakto'
set -g @plugin 'wfxr/tmux-fzf-url'
set -g @plugin 'christoomey/vim-tmux-navigator'
set -g @plugin 'fcsonline/tmux-thumbs'
set -g @plugin 'omerxx/tmux-sessionx'
set -g @plugin 'joshmedeski/tmux-nerd-font-window-name'

# Persist and restore tmux sessions across restarts
set -g @resurrect-capture-pane-contents 'on'
set -g @continuum-restore 'on'
set -g @continuum-save-interval '15'

# sessionx
set -g @sessionx-bind 'o'

# tmux-thumbs
set -g @thumbs-key 'f'
set -g @thumbs-command 'echo -n {} | pbcopy && tmux display-message "Copied!"'

# ============================================
# STYLING
# ============================================

set -g status-position top
set -g pane-border-status top
set -g pane-border-format "#[fg=#cdd6f4] #P #[fg=#6c7086]| #[fg=#89b4fa]#{pane_current_command} #[fg=#6c7086]| #[fg=#a6adc8]#{pane_current_path}"
set -g clock-mode-style 24

# Activity monitoring
set -g monitor-activity on
set -g visual-activity off
set -g activity-action other

# Bell settings
set -g monitor-bell on
set -g visual-bell off
set -g bell-action any

# ============================================
# TRANSPARENCY
# ============================================

set -g window-style "bg=default"
set -g window-active-style "bg=default"

# ============================================
# THEME
# ============================================

source-file ~/.config/tmux/themes/tmuxline.tmux

# ============================================
# KEYBINDINGS
# ============================================

# Clear stale bindings removed from older config revisions
unbind /

# Three-way toggle: top → bottom → hidden → top
bind b if -F "#{==:#{status},off}" \
  "set -g status on ; set -g status-position top ; set -g pane-border-status top" \
  "if -F '#{==:#{status-position},top}' \
    'set -g status-position bottom' \
    'set -g status off ; set -g pane-border-status off'"

# Reload config
bind r source-file ~/.config/tmux/tmux.conf \; display-message "󰑓 Config reloaded!"

# SessionX in window mode on demand
bind O run-shell 'old_mode="$(tmux show-option -gqv @sessionx-window-mode)"; tmux set-option -g @sessionx-window-mode on; ~/.config/tmux/plugins/tmux-sessionx/sessionx.tmux >/dev/null 2>&1; ~/.config/tmux/plugins/tmux-sessionx/scripts/sessionx.sh; if [ -n "$old_mode" ]; then tmux set-option -g @sessionx-window-mode "$old_mode"; else tmux set-option -gu @sessionx-window-mode; fi; ~/.config/tmux/plugins/tmux-sessionx/sessionx.tmux >/dev/null 2>&1'

# Initialize TMUX plugin manager (keep this line at the very bottom)
run '~/.config/tmux/plugins/tpm/tpm'