# ~/.config/tmux/tmux.conf, or .dotfiles/config/tmux/tmux.conf
#
# Contains configuration from the follwing sources:
# - https://tmuxguide.readthedocs.io/en/latest/tmux/tmux.html
# - https://github.com/dreamsofcode-io/tmux/blob/main/tmux.conf

#  ╭──────────────────────────────────────────────────────────╮
#  │ Bindings                                                 │
#  ╰──────────────────────────────────────────────────────────╯

# Set <prefix> to Control + Space, keeping the default of C-b intact.
# unbind C-b
set -g prefix C-Space
bind C-Space send-prefix

# Vim style pane selection
bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R

# Use Alt-arrow keys without prefix key to switch panes
bind -n M-Left  select-pane -L
bind -n M-Right select-pane -R
bind -n M-Up    select-pane -U
bind -n M-Down  select-pane -D

# Control-Tab & Control-Shift-Tab to switch windows
bind -n C-Tab   previous-window
bind -n C-S-Tab next-window

# Reload tmux config with <prefix> + r
bind r source-file ~/.dotfiles/config/tmux/tmux.conf \; display "tmux cfg reloaded!"

# Open a new window with <prefix> + N
bind N new-window

# Set default directory for new windows in this session to current directory:
bind M-c attach-session -c "#{pane_current_path}"

# Open a new window in the current directory
bind C new-window -c "#{pane_current_path}"

# keybindings
bind-key -T copy-mode-vi v send-keys -X begin-selection
bind-key -T copy-mode-vi C-v send-keys -X rectangle-toggle
bind-key -T copy-mode-vi y send-keys -X copy-selection-and-cancel
bind '"' split-window -v -c "#{pane_current_path}"
bind '!' split-window -h -c "#{pane_current_path}"

# synchronize all panes in a window
bind y setw synchronize-panes

#### copy mode : vim ####
# copy mode using 'Esc'
unbind [
bind Escape copy-mode

# start selection with 'space' and copy using 'y'
#bind -t vi-copy 'y' copy-selection

# paste using 'p'
unbind p
bind p paste-buffer

#  ╭──────────────────────────────────────────────────────────╮
#  │ Settings                                                 │
#  ╰──────────────────────────────────────────────────────────╯

# Setting status on
set -g status "on"

# Expose window title
set-option -g set-titles on

# Mouse support
set -g mouse on

# Make delay shorter
set -sg escape-time 0

# Start windows and panes at 1, not 0
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

# set vi-mode
set-window-option -g mode-keys vi

#  ╭──────────────────────────────────────────────────────────╮
#  │ Theme                                                    │
#  ╰──────────────────────────────────────────────────────────╯

# Make sure status sides are long enough and centered is in the middle
set -g status-left-length "30"
set -g status-right-length "30"

set-option -g status-position "bottom"
set-option -g status-style 'bg=default,fg=#ffffff'
set-option -g status-justify centre
set-option -g status-left '#h '
set-window-option -g window-status-style 'fg=#ffffff,bg=default'
set-option -g window-status-format ' #I:#W '
set-window-option -g window-status-current-style 'fg=#111111,bg=#7aa2f7'
set-option -g window-status-current-format ' #I:#W#{?window_zoomed_flag,  , } '

set-option -g status-left "#{hostname_short}/#S"
set-option -g status-right "%H:%M #{tmux_mode_indicator}"

#  ╭──────────────────────────────────────────────────────────╮
#  │ Plugins related configurations                           │
#  ╰──────────────────────────────────────────────────────────╯

# Plugin that lets you suspend local tmux session,
# so that you can work with nested remote tmux session painlessly.
# https://github.com/MunifTanjim/tmux-suspend
set -g @suspend_key 'F12'

##  A plugin to name your tmux windows smartly.
## https://github.com/ofirgall/tmux-window-name
### Maximum name length of a window
set -g @tmux_window_name_max_name_len "20"
### Replace $HOME with ~ in window names
set -g @tmux_window_name_use_tilde "True"
set -g @tmux_window_name_shells "['bash', 'fish', 'sh', 'zsh']"
set -g @tmux_window_dir_programs "['nvim', 'vim', 'vi', 'git']"
set -g @tmux_window_name_ignored_programs "['sqlite3', 'x-set-php-aliases']" # Default is []

## https://github.com/tmux-plugins/tmux-continuum
set -g @continuum-restore 'on'

## https://github.com/tmux-plugins/tmux-resurrect
set -g @resurrect-strategy-nvim 'session'
set -g @resurrect-dir '~/.local/state/tmux/tmux-resurrect'

## https://github.com/MunifTanjim/tmux-mode-indicator
set -g @mode_indicator_prefix_mode_style 'bg=default,fg=#7aa2f7'
set -g @mode_indicator_copy_mode_style 'bg=default,fg=yellow'
set -g @mode_indicator_empty_mode_style 'bg=default,fg=#7aa2f7'
set -g @mode_indicator_sync_mode_style 'bg=default,fg=red'

#  ╭──────────────────────────────────────────────────────────╮
#  │ Plugins                                                  │
#  ╰──────────────────────────────────────────────────────────╯

run-shell ~/.dotfiles/config/tmux/plugins/tmux-sensible/sensible.tmux
run-shell ~/.dotfiles/config/tmux/plugins/tmux-window-name/tmux_window_name.tmux
run-shell ~/.dotfiles/config/tmux/plugins/tmux-resurrect/resurrect.tmux
run-shell ~/.dotfiles/config/tmux/plugins/tmux-continuum/continuum.tmux
run-shell ~/.dotfiles/config/tmux/plugins/tmux-sessionist/sessionist.tmux
run-shell ~/.dotfiles/config/tmux/plugins/tmux-mode-indicator/mode_indicator.tmux
run-shell ~/.dotfiles/config/tmux/plugins/tmux-suspend/suspend.tmux
run-shell ~/.dotfiles/config/tmux/plugins/tmux-yank/yank.tmux
run-shell ~/.dotfiles/config/tmux/plugins/tmux-current-pane-hostname/current_pane_hostname.tmux