################################################################################
#                                   Plugins                                    #
################################################################################

set -g @plugin 'tmux-plugins/tpm'
set -g @plugin 'tmux-plugins/tmux-sensible'
set -g @plugin 'tmux-plugins/tmux-resurrect'
set -g @plugin 'catppuccin/tmux'

################################################################################
#                                   General                                    #
################################################################################

# Make window index start at 1.
set -g base-index 1

# Make pane index start at 1.
setw -g pane-base-index 1

# Automatically renumber windows when one is deleted.
set -g renumber-windows on

set -g default-terminal "tmux-256color"
set -ag terminal-overrides ",*:RGB"

################################################################################
#                                 Key Mappings                                 #
################################################################################

# Remap prefix.
unbind C-b
set-option -g prefix C-a
bind C-a send-prefix

# Vi copy mode.
setw -g mode-keys vi
unbind [
bind -N 'Enter normal (copy) mode' Escape copy-mode # cmd-esc on macOS
unbind p
bind p paste-buffer
bind -T copy-mode-vi 'v' send -X begin-selection
bind -T copy-mode-vi 'y' send -X copy-selection-and-cancel

# Better split commands.
bind -N 'vsplit' |  split-window -h -c "#{pane_current_path}" # cmd-| on macOS
bind -N 'vsplit' \\ split-window -h -c "#{pane_current_path}" # cmd-\ on macOS
bind -N 'hsplit' -  split-window -v -c "#{pane_current_path}" # cmd-- on macOS
unbind '"'
unbind %

# Vi-like pane switching.
bind -N 'Switch to pane (left)'  h select-pane -L # cmd-h on macOS
bind -N 'Switch to pane (down)'  j select-pane -D # cmd-j on macOS
bind -N 'Switch to pane (up)'    k select-pane -U # cmd-k on macOS
bind -N 'Switch to pane (right)' l select-pane -R # cmd-l on macOS

# Vi-like resizing.
bind -N 'Resize pane (left)'  M-h resize-pane -L # cmd-opt-h on macOS
bind -N 'Resize pane (down)'  M-j resize-pane -D # cmd-opt-j on macOS
bind -N 'Resize pane (up)'    M-k resize-pane -U # cmd-opt-k on macOS
bind -N 'Resize pane (right)' M-l resize-pane -R # cmd-opt-l on macOS

bind -N 'Previous window' Left previous-window # cmd-left  on macOS
bind -N 'Next window'     Right next-window    # cmd-right on macOS

# Easy reload config.
bind r source-file ~/.tmux.conf # cmd-r on macOS

# Popup.
unbind i
bind -N 'Popup shell' i if-shell -F '#{==:#{session_name},scratch}' { # cmd-i on macOS 
    detach-client 
  } { 
    if-shell "tmux has-session -t scratch" {
      display-popup -E -h 90% -w 90% "tmux attach-session -t scratch"
    } {
      display-popup -E -h 90% -w 90% "tmux new-session -d -c '#{pane_current_path}' -s scratch && tmux set-option -t scratch status off && tmux attach-session -t scratch"
    }
}

################################################################################
#                                  Catppuccin                                  #
################################################################################

# catppuccin
set -g @catppuccin_flavour 'mocha'

set -g @catppuccin_window_left_separator " "
set -g @catppuccin_window_right_separator ""
set -g @catppuccin_window_middle_separator "█ "
set -g @catppuccin_window_number_position "left"

set -g @catppuccin_window_default_fill "number"
set -g @catppuccin_window_default_text "#W"

set -g @catppuccin_window_current_fill "number"
set -g @catppuccin_window_current_text "#W"

set -g @catppuccin_status_modules_left "directory"
set -g @catppuccin_status_modules_right "user host session date_time"
set -g @catppuccin_status_left_separator  " "
set -g @catppuccin_status_right_separator ""
set -g @catppuccin_status_right_separator_inverse "no"
set -g @catppuccin_status_fill "icon"
set -g @catppuccin_status_connect_separator "no"

set -g @catppuccin_directory_text "#{pane_current_path}"
set -g @catppuccin_date_time_text "%b %d • %I:%M %p"

################################################################################
#                                     tpm                                      #
################################################################################

# Install tpm if not already installed.
if "test ! -d ~/.tmux/plugins/tpm" \
   "run 'git clone https://github.com/tmux-plugins/tpm ~/.tmux/plugins/tpm && ~/.tmux/plugins/tpm/bin/install_plugins'"

# Init tmux plugin manager.
# Must be very last line!!
run '~/.tmux/plugins/tpm/tpm'