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#!/bin/bash

SESSION_DIR="$HOME/.tmux/sessions/"
SESSION_NAME="$1"
DEFAULT_SESSION="main"

if [[ -z "$SESSION_NAME" ]]; then
    if [[ -n "$DEFAULT_SESSION" ]]; then
        SESSION_NAME="$DEFAULT_SESSION"
    fi
fi

# Determine if the session exists
EXISTS=$(tmux ls | cut -d ':' -f 1 | grep "^$SESSION_NAME$")

if [[ -n "$EXISTS" ]]; then
    if [[ -n "$TMUX" ]]; then
        TMUX="" tmux switch-client -t $SESSION_NAME
    else
        tmux attach-session -t $SESSION_NAME
    fi
else
    # Determine if a config file exists
    if [[ -f "$SESSION_DIR/$SESSION_NAME" ]]; then
        source $SESSION_DIR/$SESSION_NAME
    else
        TMUX= tmux new-session -d -s $SESSION_NAME
        if [[ -n "$TMUX" ]]; then
            TMUX= tmux switch-client -t $SESSION_NAME
        else
            tmux attach-session -t $SESSION_NAME
        fi
    fi
fi