# Set prefix to Ctrl-a (more ergonomic than Ctrl-b)
set -g prefix C-a
unbind C-b
bind C-a send-prefix

# Enable mouse support
set -g mouse on

# 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
set -g history-limit 50000

# Low escape-time (0 breaks Alt keys over SSH; 25ms is a good balance)
set -s escape-time 25

# Enable 256 colors
set -g default-terminal "tmux-256color"
set -ag terminal-overrides ",xterm-256color:RGB"

# -------------------------------------------------------------------
# Status bar theme
# -------------------------------------------------------------------
set -g status-position bottom
set -g status-interval 5
set -g status-style "bg=#1a1b26,fg=#a9b1d6"

# Left: session name
set -g status-left-length 30
set -g status-left "#[fg=#1a1b26,bg=#7aa2f7,bold]  #S #[fg=#7aa2f7,bg=#1a1b26,nobold] "

# Right: continuum status + time
set -g status-right-length 50
set -g status-right "#[fg=#565f89] #{?client_prefix,#[fg=#e0af68]PREFIX ,}#[fg=#565f89,bg=#1a1b26] %H:%M #[fg=#1a1b26,bg=#7aa2f7,bold] %d %b "

# Window tabs
set -g window-status-format "#[fg=#565f89]  #I #W "
set -g window-status-current-format "#[fg=#7aa2f7,bg=#24283b,bold]  #I #W #[fg=#24283b,bg=#1a1b26]"
set -g window-status-separator ""

# Pane borders
set -g pane-border-style "fg=#3b4261"
set -g pane-active-border-style "fg=#7aa2f7"

# Message style
set -g message-style "fg=#7aa2f7,bg=#1a1b26,bold"
set -g message-command-style "fg=#7aa2f7,bg=#1a1b26"

# Copy mode
setw -g mode-style "fg=#1a1b26,bg=#7aa2f7"

# Easy config reload
bind r source-file ~/.tmux.conf \; display "Config reloaded!"

# Better pane splitting (use current path)
bind \\ split-window -h -c "#{pane_current_path}"
bind - split-window -v -c "#{pane_current_path}"
unbind '"'
unbind %

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

# Pane resize (if you ever use tmux 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

# Quick window switching (prefix + number)
bind 1 select-window -t 1
bind 2 select-window -t 2
bind 3 select-window -t 3
bind 4 select-window -t 4
bind 5 select-window -t 5
bind 6 select-window -t 6
bind 7 select-window -t 7
bind 8 select-window -t 8
bind 9 select-window -t 9

# Window navigation (prefix + h/l)
bind h previous-window
bind l next-window

# Session navigation (prefix + j/k/S)
bind j switch-client -n             # next session
bind k switch-client -p             # previous session
bind S choose-tree -sZ              # session tree picker

# Move windows left/right
bind -r < swap-window -t -1\; select-window -t -1
bind -r > swap-window -t +1\; select-window -t +1

# Enable vi mode for copy
setw -g mode-keys vi
bind -T copy-mode-vi v send -X begin-selection
bind -T copy-mode-vi y send -X copy-selection-and-cancel


# tmux-resurrect settings
set -g @resurrect-capture-pane-contents 'on'
set -g @resurrect-strategy-nvim 'session'

# tmux-continuum settings (auto-save and auto-restore)
set -g @continuum-restore 'on'
set -g @continuum-save-interval '10'


# agent-deck configuration
# agent-deck-tmux-config-version: 3
# Added by agent-deck installer - 2026-03-18
# https://github.com/asheshgoplani/agent-deck

# Terminal with true color support
set -g default-terminal "tmux-256color"
set -ag terminal-overrides ",xterm*:Tc:smcup@:rmcup@"
set -ag terminal-overrides ",*256col*:Tc"

# Performance
set -sg escape-time 0
set -g history-limit 50000

# Extended keys: forward Shift+Enter and other modified keys to apps (tmux 3.2+)
set -s extended-keys on
set -as terminal-features 'tmux-256color:extkeys'

# Mouse support (scroll + drag-to-copy)
set -g mouse on

# Auto-enter copy-mode when scrolling up (critical for WSL compatibility)
# This handles: 1) apps with mouse support, 2) already in copy-mode, 3) normal pane
bind-key -n WheelUpPane if-shell -F -t = "#{mouse_any_flag}" "send-keys -M" "if -Ft= '#{pane_in_mode}' 'send-keys -M' 'copy-mode -e'"

# Scroll bindings in copy-mode (both vi and emacs modes)
bind-key -T copy-mode-vi WheelUpPane send-keys -X scroll-up
bind-key -T copy-mode-vi WheelDownPane send-keys -X scroll-down
bind-key -T copy-mode WheelUpPane send-keys -X scroll-up
bind-key -T copy-mode WheelDownPane send-keys -X scroll-down

# Clipboard integration (drag-to-copy)
bind-key -T copy-mode-vi MouseDragEnd1Pane send-keys -X copy-pipe-and-cancel "xclip -in -selection clipboard"
bind-key -T copy-mode MouseDragEnd1Pane send-keys -X copy-pipe-and-cancel "xclip -in -selection clipboard"
# End agent-deck configuration