#!/bin/bash

export TMUX_SESSION="app-frpc-$APP_NAME"
export TMUX_COMMAND="frpc -c $APP_HOME/conf/frpc.toml"

case "$2" in
    -h|--help|"")
        echo "commands:"
        echo "  exec              execute tmux with commands"
        echo "  stat              show the status"
        echo;
        echo "args:"
        echo "  -h, --help        show the help documentation"
        echo "  -v, --version     show the version"
        ;;
    -v|--version)
        echo "v0.0.1"
        ;;
    stat)
        CURR_TMUX_SESSION=$(tmux list-session 2>&1 | grep "$TMUX_SESSION")
        if [ -z "$CURR_TMUX_SESSION" ]; then
            echo "tmux session [$TMUX_SESSION] not exists."
        else
            echo "tmux session [$TMUX_SESSION] => $CURR_TMUX_SESSION"
            tmux attach -t $TMUX_SESSION
        fi
        ;;
    exec)
        CURR_TMUX_SESSION=$(tmux list-session 2>&1 | grep "$TMUX_SESSION")
        if [ -n "$CURR_TMUX_SESSION" ]; then
            echo "tmux session [$TMUX_SESSION] => $CURR_TMUX_SESSION"
            tmux attach -t $TMUX_SESSION
        else
            echo "starting..."
            if [ ! -f "$APP_HOME/conf/frpc.toml" ]; then
                echo "Error: frpc config not exists."
                exit 1
            fi
            tmux new-session -d -s "$TMUX_SESSION"
            sleep 3
            tmux send-keys   -t "$TMUX_SESSION" "$TMUX_COMMAND" Enter
            tmux attach      -t "$TMUX_SESSION"
        fi
        ;;
    *)
        echo "Invalid command: ${@:2}"
    ;;
esac