# Set new prefix (Alt+Space)
unbind C-b
set -g prefix M-Space
bind Space send-prefix

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

# Vim mode
setw -g mode-keys vi
set -g status-keys vi

bind 'v' copy-mode
bind -T copy-mode-vi v send -X begin-selection
bind -T copy-mode-vi y send-keys -X copy-pipe-and-cancel "wl-copy"
bind p paste-buffer
bind -T copy-mode-vi MouseDragEnd1Pane send-keys -X copy-pipe-and-cancel "wl-copy"

# Split windows
bind | split-window -hc "#{pane_current_path}"
bind-key "\\" split-window -fh -c "#{pane_current_path}"
bind - split-window -vc "#{pane_current_path}"

# Maintain the same path when creating a new window
bind c new-window -c "#{pane_current_path}"
bind-key C command-prompt -p "Enter window name:" "new-window -n '%%'"

# Move to the next and prev window
bind-key l next-window
bind-key h previous-window

bind-key -n M-l next-window
bind-key -n M-h previous-window

# Change window name
bind-key r command-prompt -I "#W" "rename-window '%%'"
bind-key R command-prompt -I "#W" "rename-session '%%'"

# Move to the next and prev session
bind j switch-client -n
bind k switch-client -p

# Close a window
bind-key Q kill-window

# Close a pane
bind-key q kill-pane

# Close a session
bind-key M-q kill-session

# Swap windows
bind -r "<" swap-window -d -t -1
bind -r ">" swap-window -d -t +1

# Smart pane switching with awareness of Neovim splits.
bind-key -n C-h if -F "#{@pane-is-vim}" 'send-keys C-h'  'select-pane -L'
bind-key -n C-j if -F "#{@pane-is-vim}" 'send-keys C-j'  'select-pane -D'
bind-key -n C-k if -F "#{@pane-is-vim}" 'send-keys C-k'  'select-pane -U'
bind-key -n C-l if -F "#{@pane-is-vim}" 'send-keys C-l'  'select-pane -R'

# Smart pane resizing with awareness of Neovim splits.
bind-key -n C-left if -F "#{@pane-is-vim}" 'send-keys C-left' 'resize-pane -L 5'
bind-key -n C-down if -F "#{@pane-is-vim}" 'send-keys C-down' 'resize-pane -D 5'
bind-key -n C-up if -F "#{@pane-is-vim}" 'send-keys C-up' 'resize-pane -U 5'
bind-key -n C-right if -F "#{@pane-is-vim}" 'send-keys C-right' 'resize-pane -R 5'

tmux_version='$(tmux -V | sed -En "s/^tmux ([0-9]+(.[0-9]+)?).*/\1/p")'
if-shell -b '[ "$(echo "$tmux_version < 3.0" | bc)" = 1 ]' \
    "bind-key -n 'C-\\' if -F \"#{@pane-is-vim}\" 'send-keys C-\\'  'select-pane -l'"
if-shell -b '[ "$(echo "$tmux_version >= 3.0" | bc)" = 1 ]' \
    "bind-key -n 'C-\\' if -F \"#{@pane-is-vim}\" 'send-keys C-\\\\'  'select-pane -l'"

bind-key -T copy-mode-vi 'C-h' select-pane -L
bind-key -T copy-mode-vi 'C-j' select-pane -D
bind-key -T copy-mode-vi 'C-k' select-pane -U
bind-key -T copy-mode-vi 'C-l' select-pane -R
bind-key -T copy-mode-vi 'C-\' select-pane -l

# Projects
bind-key Enter popup -E -h 80% -w 80% "dev"