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

# --- TERMINAL & TRUE COLOR ---
set -g default-terminal "tmux-256color"
set -ag terminal-overrides ",*:RGB"
set -ag terminal-overrides ",*:Tc"

# Keep clipboard/display env fresh for long-lived or restored tmux servers.
# Without WAYLAND_DISPLAY, wl-copy silently fails and mouse selections vanish.
set -g update-environment "DISPLAY WAYLAND_DISPLAY XDG_RUNTIME_DIR DBUS_SESSION_BUS_ADDRESS SSH_AUTH_SOCK SSH_AGENT_PID WINDOWID XAUTHORITY"

# --- GENERAL ---
set -g mouse on
setw -g mode-keys vi
set -g base-index 1
setw -g pane-base-index 1
set -g renumber-windows on
set -g escape-time 0
set -g focus-events on
set -g extended-keys on
set -g default-shell ZSHELL_PATH

# --- COPY-PASTE (OSC 52 + tmux-yank for Linux/Wayland) ---
# OSC 52: terminal-native clipboard, works over SSH
set -g set-clipboard on

# tmux-yank: improved copy/paste with mouse support
set -g @yank_selection 'clipboard'
set -g @yank_selection_mouse 'clipboard'
set -g @yank_with_mouse on
set -g @yank_action 'copy-pipe-and-cancel'

# --- DEFAULT COLORS (Graphite - Contrast Corrected) ---
set -g status-style 'bg=#141414,fg=#b8bcc0'
set -g status-justify centre
set -g status on
set -g status-left-length 60
set -g status-right-length 140
set -g status-interval 2

# Single-line status bar (context only, shortcuts line disabled)
# NOTE: status-format[0] is authoritative when present; keep context here.
set -g status-format[0] '#[align=left]#S #{pane_current_command}#{?client_prefix, PREFIX,}#[align=right]#(~/.tmux/scripts/git-pane-status.sh "#{pane_id}" "#{pane_current_path}") %H:%M'
set -gu status-format[1]
set -g status-left ''
set -g status-right ''
# Shortcuts line (disabled for now):
# set -g status 2
# set -g status-format[0] '#[align=centre]C-b | split-h  - split-v  c new-win  n/p win  d detach  z zoom  x kill-pane  s tree  $ rename'
# set -g status-format[1] '#[align=left]#S #{pane_current_command}#{?client_prefix, PREFIX,}#[align=right]#(~/.tmux/scripts/git-pane-status.sh "#{pane_id}" "#{pane_current_path}") %H:%M'

setw -g window-status-style 'bg=#141414,fg=#8a8f94'
setw -g window-status-current-style 'bg=#141414,fg=#c6cacf,bold'
setw -g window-status-format ' #I:#W '
setw -g window-status-current-format ' #I:#W* '

set -g window-style 'bg=#141414,fg=#8a8f94'
set -g window-active-style 'bg=#141414,fg=#b8bcc0'

set -g pane-border-style 'fg=#303030,bg=#141414'
set -g pane-active-border-style 'fg=#6f767d,bg=#141414'
set -g pane-border-lines single

set -g message-style 'bg=#222222,fg=#c6cacf'

# --- SESSION-BASED THEMING ---
set-hook -g after-new-session 'run-shell -b "~/.tmux/apply-theme-hook.sh"'

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

# Split panes keeping current path
bind | split-window -h -c "#{pane_current_path}" \; refresh-client -S
bind - split-window -v -c "#{pane_current_path}" \; refresh-client -S

# Vim-style pane navigation (force immediate status refresh)
bind h select-pane -L \; refresh-client -S
bind j select-pane -D \; refresh-client -S
bind k select-pane -U \; refresh-client -S
bind l select-pane -R \; refresh-client -S

# Resize panes
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

# New window keeping current path
bind c new-window -c "#{pane_current_path}" \; refresh-client -S

# --- PLUGINS (TPM) ---
set -g @plugin 'tmux-plugins/tpm'
set -g @plugin 'tmux-plugins/tmux-sensible'
set -g @plugin 'tmux-plugins/tmux-yank'
set -g @plugin 'tmux-plugins/tmux-resurrect'
set -g @resurrect-capture-pane-contents 'on'

set -g @plugin 'tmux-plugins/tmux-continuum'
set -g @continuum-restore 'on'
set -g @continuum-boot 'on'
set -g @continuum-boot-options 'new-session'

run '~/.tmux/plugins/tpm/tpm'

# --- VI COPY-MODE ---
# Explicit portable copy bindings. The helper uses native clipboard tools locally
# and falls back to tmux OSC52 over SSH/VPS.
set -s copy-command '$HOME/.tmux/scripts/copy-to-clipboard.sh'
bind -T copy-mode-vi y                 send-keys -X copy-pipe-and-cancel '$HOME/.tmux/scripts/copy-to-clipboard.sh'
bind -T copy-mode-vi Enter             send-keys -X copy-pipe-and-cancel '$HOME/.tmux/scripts/copy-to-clipboard.sh'
bind -T copy-mode-vi MouseDragEnd1Pane send-keys -X copy-pipe-and-cancel '$HOME/.tmux/scripts/copy-to-clipboard.sh'
bind -T copy-mode-vi DoubleClick1Pane  select-pane \; send-keys -X select-word \; send-keys -X copy-pipe-and-cancel '$HOME/.tmux/scripts/copy-to-clipboard.sh'
bind -T copy-mode-vi TripleClick1Pane  select-pane \; send-keys -X select-line \; send-keys -X copy-pipe-and-cancel '$HOME/.tmux/scripts/copy-to-clipboard.sh'
bind -T copy-mode-vi v                 send-keys -X begin-selection
bind -T copy-mode-vi C-v               send-keys -X rectangle-toggle
bind -T copy-mode-vi Escape            send-keys -X clear-selection

# Paste from tmux buffer (in normal mode)
bind p paste-buffer

# --- CHECK CLIPBOARD CONFIGURATION ---
bind ? display-message -p \
  "Mouse: #{?mouse} | Clipboard: #{?set-clipboard} | OSC 52: #{?copy-mode-vi} | tmux-yank: #{?yank_selection}"

# --- STATUS BAR REFRESH HOOKS (focus-aware, aggressive) ---
set-hook -g after-select-pane 'refresh-client -S'
set-hook -g after-select-window 'refresh-client -S'
set-hook -g client-session-changed 'refresh-client -S'
set-hook -g pane-focus-in 'refresh-client -S'
set-hook -g after-split-window 'refresh-client -S'
set-hook -g after-new-window 'refresh-client -S'
set-hook -g pane-exited 'refresh-client -S'