# Set default shell
set -g default-shell /bin/bash

# Increase history size
set -g history-limit 50000

# Disable escape delay
set-option -sg escape-time 0

# Enable mouse and focus events
set -g mouse on
set -g focus-events on

################
# Key bindings #
################

# Change prefix
set-option -g prefix C-a

# Remap split commands
unbind '"'
unbind %
bind s split-window -v
bind v split-window -h

# Remap pane selection
unbind Up
unbind Down
unbind Left
unbind Right

is_vim="ps -o state= -o comm= -t '#{pane_tty}' \
    | grep -iqE '^[^TXZ ]+ +(\\S+\\/)?g?(view|l?n?vim?x?)(diff)?$'"
bind-key -n 'M-h' if-shell "$is_vim" { send-keys M-h } { if-shell -F '#{pane_at_left}'    {} { select-pane -L } }
bind-key -n 'M-j' if-shell "$is_vim" { send-keys M-j } { if-shell -F '#{pane_at_bottom}'  {} { select-pane -D } }
bind-key -n 'M-k' if-shell "$is_vim" { send-keys M-k } { if-shell -F '#{pane_at_top}'     {} { select-pane -U } }
bind-key -n 'M-l' if-shell "$is_vim" { send-keys M-l } { if-shell -F '#{pane_at_right}'   {} { select-pane -R } }

# Remap resize
unbind C-Up
unbind C-Down
unbind C-Left
unbind C-Right
unbind M-Up
unbind M-Down
unbind M-Left
unbind M-Right
bind -nr M-K resize-pane -U
bind -nr M-J resize-pane -D
bind -nr M-H resize-pane -L
bind -nr M-L resize-pane -R

##########
# Design #
##########

# Borders
set -g pane-border-style 'fg=colour12'
set -g pane-active-border-style 'fg=colour12'

# Statusbar
set -g status-position bottom
set -g status-justify left
set -g status-style 'bg=colour235'
set -g status-left ''

# Command line and messages
set -g message-style 'bg=color235'
set -g display-time 4000

# Tabs
setw -g window-status-current-style 'bg=colour238 bold'
setw -g window-status-current-format ' #[fg=color245]#I#[fg=colour250] #W '
setw -g window-status-style 'bg=colour236'
setw -g window-status-format ' #[fg=colour240]#I#[fg=colour245] #W '

# Clock
set -g status-right '#[fg=colour0,bg=colour240] %H:%M '
set -g status-interval 10

# Scroll number
setw -g mode-style 'fg=colour240'