.tmux.conf

set-option -g mode-keys emacs
set-option -g status-keys emacs
set-option -g set-clipboard on
set-option -g mouse on

# Detach from tmux when closing a session
set-option -g detach-on-destroy on

# Allow 256 colors and true color
set -g default-terminal "screen-256color"
set -g allow-passthrough on

set-option -sg terminal-overrides ",*:RGB"
set-option -as terminal-features  ",*:hyperlinks"

# History of tmux commands
set-option -g history-file ~/.tmux_history
set-option -g history-limit 1000 

# Scroll up/down by single lines
bind-key 		-T copy-mode    	WheelUpPane           select-pane \; send-keys -X -N 1 scroll-up
bind-key 		-T copy-mode    	WheelDownPane         select-pane \; send-keys -X -N 1 scroll-down
bind-key 		-T copy-mode 			C-p 									send-keys -X scroll-up
bind-key 		-T copy-mode 			C-n 									send-keys -X scroll-down
bind-key		-T copy-mode 			C-d 									send-keys -X halfpage-down
bind-key		-T copy-mode 			C-u 									send-keys -X halfpage-up

# Select panes with ijkl
bind-key -r -T prefix         I                     select-pane -U
bind-key -r -T prefix         J                     select-pane -L
bind-key -r -T prefix         K                     select-pane -D
bind-key -r -T prefix         L                     select-pane -R

# Copy to clipboard
bind-key    -T copy-mode      MouseDragEnd1Pane     send-keys -X copy-selection -x
bind-key    -T copy-mode      C-w                   send-keys -X copy-selection -x

# Search the copy-mode buffer with n/p instead of n/N
# bind-key    -T copy-mode			p                     send-keys -X search-reverse
# bind-key    -T copy-mode			n                     send-keys -X search-again
# unbind-key  -T copy-mode			N

# Filed bug https://github.com/tmux/tmux/issues/4309
# bind-key 		-T copy-mode 			C-r 								command-prompt -i -I "#{pane_search_string}" -T search -p "(search up)" { send-keys -X search-backward-incremental "%%" }
# bind-key    -T copy-mode    	C-s                 command-prompt -i -I "#{pane_search_string}" -T search -p "(search down)" { send-keys -X search-forward-incremental "%%" }

# Split panes in a more intuitive manner
bind-key    -T prefix       	|                     split-window -h
bind-key    -T prefix       	-                     split-window -v

# Create new windows and sessions
bind-key 		-T prefix       	C-s 									command-prompt -p "Enter session name:" "new-session -s '%%'"
bind-key 		-T prefix       	C-w										command-prompt -p "Enter window name:" "new-window -n '%%'"

# Bind prefix + C-R to rename the current window, suggesting the old name
bind-key 		-T prefix 		    M-w 									command-prompt -I "#{window_name}" "rename-window '%%'"
bind-key 		-T prefix 		    M-s 									command-prompt -I "#{session_name}" "rename-session '%%'"

# Swap panes
bind-key        -T prefix           \{                                      swap-pane -U
bind-key        -T prefix           \}                                      swap-pane -D

# Kill pane without asking confirmation
#bind-key		-T prefix 				&											if-shell '[ "#{window_panes}" -eq 1 ] && [ "#{session_windows}" -eq 1 ]' {
#  confirm-before -p "This is the last pane in the last window. Kill the server? (y/n)" kill-window } kill-window
bind-key 		-T prefix 				& 										if-shell '[ "#{window_panes}" -eq 1 ] && [ "#{session_windows}" -eq 1 ]' {
    set-option -w automatic-rename on
    respawn-window -c "$HOME" -k
    detach-client
  } kill-window
#bind-key   -T prefix         &                     confirm-before -p "kill-window #W? (y/n)" kill-window
#bind-key 	-T prefix 				x 										if-shell '[ "#{window_panes}" -eq 1 ] && [ "#{session_windows}" -eq 1 ]' {
#   confirm-before -p "This is the last pane in the last window. Kill the server? (y/n)" kill-pane } kill-pane
bind-key 		-T prefix 				x 										if-shell '[ "#{window_panes}" -eq 1 ] && [ "#{session_windows}" -eq 1 ]' {
    set-option -w automatic-rename on
    respawn-pane -c "$HOME" -k
    detach-client
  } kill-pane
    
#bind-key   -T prefix         x                     confirm-before -p "kill-pane #P? (y/n)" kill-pane

# Clear screen and history
bind-key    -T prefix         k                     send-keys C-l \; run-shell "sleep 0" \; clear-history

# Ctrl-space (comfortable and conflict-Free)
# unbind C-b                    # Unbind the default prefix
# set-option -g prefix C-Space  # Use Ctrl-space as the new prefix
# bind C-Space send-prefix      # Send the prefix with Ctrl-space twice
# bind C-x send-prefix      # Send the prefix with Ctrl-space twice

# Change prefix only for SSH sessions
if-shell '[ -n "$SSH_CONNECTION" ]' 'unbind C-b ; set -g prefix M-C-b ; bind M-C-b send-prefix'

# Start indexing windows and panes from 1; behavior of sessions cannot be changed 
set -g base-index 1
set -g pane-base-index 1
set-window-option -g pane-base-index 1
set-option -g renumber-windows on

# Source .tmux.conf as suggested in `man tmux`
bind-key R source-file "~/.tmux.conf" \; display-message "sourced .tmux.conf completed"

# Increase scrollback buffer size
set-option -g history-limit 100000

# pressing CTRL-a sends the configured prefix to the terminal, and thus to the inner tmux sessions; non-prefixed binding with `-n`
# bind -n C-a send-prefix 

# pressing CTRL-b-b sends the configured prefix to the terminal, and thus to the inner tmux sessions
# bind b send-prefix

# preserve current directory when creating new window/pane
bind-key '"' split-window -v -c "#{pane_current_path}"
bind-key % split-window -h -c "#{pane_current_path}"
bind-key c new-window -c "#{pane_current_path}"

# Synchronizes automatically the terminal titles with the window titles
# Disabling it, we avoid dealing with terminal titles in tmux;
# we already control the window titles
set-option -g set-titles off
# set-option -g set-titles-string "#S: #W"

# Land and configure plugins

# === tmux-sensible ===
run-shell "~/.local/share/zinit/plugins/tmux-plugins---tmux-sensible/sensible.tmux"

# === tmux-yank ===

# avoids scrolling back to the end of the buffer after yanking
set-option -g @yank_action 'copy-pipe'
# 'clipboard' / 'primary' / 'secondary'
set-option -g @yank_selection_mouse 'clipboard'
set-option -g @yank_selection 'clipboard'

run-shell "~/.local/share/zinit/plugins/tmux-plugins---tmux-yank/yank.tmux"

# === tmux-fzf-links ===

set-option -g @fzf-links-key C-h
set-option -g @fzf-links-history-lines "0"
if-shell '[ -z "$SSH_CONNECTION" ]' {
    set-option -g @fzf-links-editor-open-cmd "open vscode://file'%file':%line"
}{ 
    set-option -g @fzf-links-editor-open-cmd "rmate '%file' --lines %line --port 52150"
}
set-option -g @fzf-links-browser-open-cmd "$HOME/.local/bin/firefox '%url'"
set-option -g @fzf-links-fzf-display-options "-w 100% --maxnum-displayed 15 --multi --track --no-preview"
set-option -g @fzf-links-path-extension "$HOME/.local/share/zinit/polaris/bin"
set-option -g @fzf-links-python "~/.pyenv/versions/py313/bin/python"
set-option -g @fzf-links-python-path ""
set-option -g @fzf-links-user-schemes-path "~/.local/share/zinit/plugins/tmux-plugins---tmux-fzf-links/user_schemes/user_schemes.py"
set-option -g @fzf-links-loglevel-tmux "WARNING"
set-option -g @fzf-links-loglevel-file "DEBUG"
set-option -g @fzf-links-use-colors on
set-option -g @fzf-links-ls-colors-filename "~/.cache/zinit/ls_colors"
set-option -g @fzf-links-hide-fzf-header "on"
# set-option -g @fzf-links-log-filename "~/log.txt"

run-shell "~/.local/share/zinit/plugins/tmux-plugins---tmux-fzf-links/fzf-links.tmux"

# === tmux-menus ===

# set -g @menus_without_prefix yes
set -g @menus_location_x C
set -g @menus_location_y C
set -g @menus_trigger C-\\

run-shell "~/.local/share/zinit/plugins/tmux-plugins---tmux-menus/menus.tmux"

# === tmux-resurrect ===

# Bind resurrect commands
set -g @resurrect-save 'C-M-s'
set -g @resurrect-restore 'C-M-r'
set -g @resurrect-processes 'btop'

run-shell "~/.local/share/zinit/plugins/tmux-plugins---tmux-resurrect/resurrect.tmux"

bind-key 'C-M-r' run-shell "~/.config/dotfiles/bin/tmux_resurrect.zsh ~/.local/share/zinit/plugins/tmux-plugins---tmux-resurrect/resurrect.tmux"

## === Catppuccin theme ===

# Configure the catppuccin plugin
set-option -g @catppuccin_flavor "macchiato"
set-option -g @catppuccin_window_status_style "rounded"
set-option -g @catppuccin_status_background "#282935"
set-option -g @catppuccin_window_text " #{window_name}"
set-option -g @catppuccin_window_current_text " #{window_name}"
set-option -g @catppuccin_host_text " #h"

# Load catppuccin
run-shell "~/.local/share/zinit/plugins/tmux-plugins---tmux-catppuccin/catppuccin.tmux"

# Popup customization after catppuccin
set-option -g popup-border-lines rounded
set-option -g popup-style "bg=#24273a,fg=#cad3f5"
set-option -g popup-border-style "bg=#24273a,fg=#00bbff"

# Make the status line pretty and add some modules
set-option -g status-right-length 100
set-option -g status-left-length 100
set-option -g status-left "#{E:@catppuccin_status_session}"
if-shell '[ -z "$SSH_CONNECTION" ]' {
    set-option -g status-right "#{E:@catppuccin_status_host}";
    set-option -agF status-right "#{E:@catppuccin_status_date_time}";
    # set-option -agF status-right "#{E:@catppuccin_status_battery}";
    # set-option -ag status-right "#{E:@catppuccin_status_user}"
    # set-option -ag status-right "#{E:@catppuccin_status_application}"
    # set-option -agF status-right "#{E:@catppuccin_status_cpu}"
    # set-option -ag status-right "#{E:@catppuccin_status_uptime}"
} { set-option -g status-right "" }

# === Extensions for tmux theme ===

# Load two other extensions -- must happen after the theme catppuccin was loaded
run-shell "~/.local/share/zinit/plugins/tmux-plugins---tmux-cpu/cpu.tmux"
# run-shell "~/.local/share/zinit/plugins/tmux-plugins---tmux-battery/battery.tmux"