# change prefix to Ctrl+a
unbind C-b
set -g prefix C-a

# 0 is too far from ` ;)
set -g base-index 1

# set -g default-terminal "screen-256color"
set -g default-terminal "rxvt-unicode-256color" # fixes italics not working in nvim
set -g status-keys vi
set -g history-limit 10000


setw -g mode-keys vi
setw -g mouse on
setw -g monitor-activity on

bind-key v split-window -h
bind-key s split-window -v

bind-key J resize-pane -D 5
bind-key K resize-pane -U 5
bind-key H resize-pane -L 15
bind-key L resize-pane -R 15

bind-key M-j resize-pane -D
bind-key M-k resize-pane -U
bind-key M-h resize-pane -L
bind-key M-l resize-pane -R

# 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-vim keys without prefix key to switch panes
bind -n M-h select-pane -L
bind -n M-j select-pane -D
bind -n M-k select-pane -U
bind -n M-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

# Shift arrow to switch windows
bind -n S-Left  previous-window
bind -n S-Right next-window

# No delay for escape key press
set -sg escape-time 0

# Reload tmux config
bind r source-file ~/.tmux.conf

set-option -g status-position top
# right part of status bar that highlights when prefix active
set -g status-right ' #{?client_prefix,#[reverse]<Prefix>#[noreverse] ,}"#{=21:pane_title}" %H:%M %d-%b-%y'

bind P paste-buffer

# Enable mouse & Copy/Paste - Requirements: xclip
set -g mouse on
bind -n WheelUpPane if-shell -F -t = "#{mouse_any_flag}" "send-keys -M" "if -Ft= '#{pane_in_mode}' 'send-keys -M' 'select-pane -t=; copy-mode -e; send-keys -M'"
bind -n WheelDownPane select-pane -t= \; send-keys -M
bind -n C-WheelUpPane select-pane -t= \; copy-mode -e \; send-keys -M
bind -T copy-mode-vi    C-WheelUpPane   send-keys -X halfpage-up
bind -T copy-mode-vi    C-WheelDownPane send-keys -X halfpage-down
bind -T copy-mode-emacs C-WheelUpPane   send-keys -X halfpage-up
bind -T copy-mode-emacs C-WheelDownPane send-keys -X halfpage-down
# # Use vim keybindings in copy mode
setw -g mode-keys vi
# Update default binding of `Enter` to also use copy-pipe
unbind -T copy-mode-vi Enter
bind-key -T copy-mode-vi v send-keys -X begin-selection
bind-key -T copy-mode-vi Enter send-keys -X copy-pipe-and-cancel "xclip -selection c"
bind-key -T copy-mode-vi MouseDragEnd1Pane send-keys -X copy-pipe-and-cancel "xclip -in -selection clipboard"



# ----------------------
# Status Bar
# -----------------------
set-option -g status on                # turn the status bar on
set -g status-interval 5               # set update frequencey (default 15 seconds)
set -g status-justify centre           # center window list for clarity
# set-option -g status-position top    # position the status bar at top of screen

# visual notification of activity in other windows
setw -g monitor-activity on
set -g visual-activity on

# set color for status bar
set-option -g status-bg colour235 #base02
set-option -g status-fg yellow #yellow

# show host name and IP address on left side of status bar
set -g status-left-length 85
set -g status-left "#{?client_prefix,#[reverse]<Prefix>#[noreverse] ,} #[fg=colour198]: #h : #[fg=brightblue]#(curl icanhazip.com) #(ifconfig en0 | grep 'inet ' | awk '{print \"en0 \" $2}') #(ifconfig en1 | grep 'inet ' | awk '{print \"en1 \" $2}') #(ifconfig en3 | grep 'inet ' | awk '{print \"en3 \" $2}') #(ifconfig tun0 | grep 'inet ' | awk '{print \"vpn \" $2}') "

# show session name, window & pane number, date and time on right side of
# status bar
set -g status-right-length 60
set -g status-right "#[fg=blue]#S #I:#P #[fg=yellow]: %d %b %Y #[fg=green]: %l:%M %p : #(date -u | awk '{print $4}') :"
set -g status-right "#[fg=blue]#(tmux-cpu --no-color)"