#########################################
# Basic Settings and Prefix
#########################################

set-option -g prefix C-a  # Set Ctrl-a as the prefix key
unbind C-b               # Unbind the default Ctrl-b prefix

set -sg escape-time 1    # Shorten command delay for faster responsiveness

#########################################
# Terminal and Display
#########################################

set-option -g default-terminal "tmux-256color" # Force tmux to use 256 colors if supported by the terminal

#########################################
# History and Indexing
#########################################

set-option -g history-limit 10000 # Set the scrollback history limit to 10,000 lines
set-option -g base-index 1       # Start window indexing at 1 (instead of 0)
set-option -g pane-base-index 1  # Start pane indexing at 1 (instead of 0)

#########################################
# Key Bindings
#########################################

# Reload tmux configuration
bind r source-file ~/.tmux.conf \; display "Reloaded!"

# Window Management
bind Tab next-window                       # Cycle to the next window
bind , command-prompt "rename-window '%%'" # Open a prompt to rename the current window

# Pane Management
bind | split-window -h     # Split the current window horizontally
bind - split-window -v     # Split the current window vertically

# Pane Selection (Vi-style movement)
bind h select-pane -L      # Select the pane to the left
bind j select-pane -D      # Select the pane below
bind k select-pane -U      # Select the pane above
bind l select-pane -R      # Select the pane to the right

# Pane Resizing
bind -r H resize-pane -L 2 # Resize the current pane 2 cells to the left (repeatable with -r)
bind -r J resize-pane -D 2 # Resize the current pane 2 cells down (repeatable with -r)
bind -r K resize-pane -U 2 # Resize the current pane 2 cells up (repeatable with -r)
bind -r L resize-pane -R 2 # Resize the current pane 2 cells to the right (repeatable with -r)

#########################################
# Visual Notifications
#########################################

set-option -g monitor-activity on # Enable monitoring of activity in other windows
set-option -g visual-activity on  # Enable visual notification of activity in other windows

#########################################
# Status Bar
#########################################

set-option -g status on                   # Turn the status bar on
set-option -g status-interval 5           # Set the status bar update frequency to 5 seconds
set-option -g status-justify centre       # Justify the window list to the left

# Left side of the status bar
set-option -g status-left-length 70       # Set the maximum length of the left side of the status bar
set-option -g status-left "#h   ◆"        # Display the hostname on the left, followed by some visual separators

# Right side of the status bar
set-option -g status-right-length 60      # Set the maximum length of the right side of the status bar
set-option -g status-right "S:#S W:#I P:#P | %b %d %H:%M" # Display session name, window index, pane index, and the date/time on the right

# Status bar style
set-option -g status-style bg=default,fg=colour8,bright # Set the background to default (transparent), foreground color, and brightness

#########################################
# Pane Appearance
#########################################

set-option -g pane-border-style bg=colour0,fg=colour8        # Style for inactive pane borders
set-option -g pane-active-border-style bg=colour0,fg=colour2 # Style for the active pane border

#########################################
# Message Appearance
#########################################

set-option -g message-style bg=default,fg=colour13 # Style for messages displayed in the tmux command line

#########################################
# Window Appearance
#########################################

set-option -g window-style bg=default         # Default background color for windows
set-option -g window-active-style bg=default  # Background color for the active window

#########################################
# Window List Appearance
#########################################

set-option -g window-status-style fg=colour8,bg=default
set-option -g window-status-current-style fg=colour2,bg=default,bright
set-option -g window-status-format "#[fg=colour8,bg=default] #I:#W#[fg=colour8,bg=default]#{?window_activity_flag,#[fg=colour11]#[bold]! ,}"
set-option -g window-status-current-format "#[fg=colour2,bg=default,bright]● #I:#W ●#[fg=colour2,bg=default,nobold]"

#########################################
# Window Titles
#########################################

set-option -g set-titles on                          # Enable automatic window titles
set-option -g set-titles-string '#H:#S.#I.#P #W #T'  # Format string for window titles (hostname:session.window_index.pane_index window_number window_name)