#!/bin/bash
# ===== Log =====
# log.info xxx
# log.warn xxx
# log.info xxx
# log.debug xxx
# 带颜色的echo
function log.color_output() {
    local color=$1
    shift 1

    echo >&2 -e "\033[${color}m$@\033[0m"
    return 0
}

# Log is named without prefix "utils." for convenience
# Usage: log.log <level> ...content
function log.log() {
    if [[ $# < 2 ]]; then
        return -1
    fi

    local level=$1
    shift 1

    case $level in
    error) log.color_output "0;31" "[ERROR] $@" ;;
    warn) log.color_output "1;33" "[WARN] $@" ;;
    info) log.color_output "1;37" "[INFO] $@" ;;
    debug) log.color_output "1;30" "[DEBUG] $@" ;;
    esac

    return 0
}

function log.error() { log.log "error" "$@"; }
function log.warn() { log.log "warn" $@; }
function log.info() { log.log "info" $@; }
function log.debug() { log.log "debug" $@; }


function scan_desktop_file_log(){
unset desktop_file_path
package_name=$1
    for desktop_file_path in $(dpkg -L "$1" |grep /usr/share/applications/ | awk '/\.desktop$/ {print}'); do
	if [ "$(cat $desktop_file_path | grep NoDisplay=true)" = "" ];then
	log.info "$desktop_file_path is found."
	fi
    done
	for desktop_file_path in $(dpkg -L "$1" |grep /opt/apps/$package_name/entries/applications/ | awk '/\.desktop$/ {print}'); do
	if [ "$(cat $desktop_file_path | grep NoDisplay=true)" = "" ];then
	log.info "$desktop_file_path is found."
	fi
    done


}

function scan_desktop_file(){
    unset desktop_file_path
    local result=""
    for desktop_file_path in $(dpkg -L "$1" | grep /usr/share/applications/ | awk '/\.desktop$/ {print}'); do
        if [ "$(grep NoDisplay=true $desktop_file_path)" = "" ]; then
            result+="$desktop_file_path,"
        fi
    done
    for desktop_file_path in $(dpkg -L "$1" | grep /opt/apps/$package_name/entries/applications | awk '/\.desktop$/ {print}'); do
        if [ "$(grep NoDisplay=true $desktop_file_path)" = "" ]; then
            result+="$desktop_file_path,"
        fi
    done
    # 去掉最后一个逗号
    if [ -n "$result" ]; then
        result=${result%,}
    fi
    echo "$result"
}

function launch_app(){

    # 检查是否传入了路径参数
    if [ -z "$1" ]; then
        log.error "请传入文件路径作为参数"
        exit 1
    fi

    DESKTOP_FILE_PATH=$1

    if [[ $DESKTOP_FILE_PATH == file://* ]]; then
        # 如果是，移除 'file://' 部分并输出结果
        DESKTOP_FILE_PATH="${DESKTOP_FILE_PATH#file://}"
    fi

    # 获取文件内容中第一个 Exec= 后的命令
    exec_command=$(grep -m 1 -oP "(?<=Exec=).*" "$DESKTOP_FILE_PATH")

    # 删除 exec_command 中最后的 % 及其后面的内容
    exec_command="${exec_command%\%*}"

    # 打印提取的命令
    log.info "Command is $exec_command"

    # 在默认终端执行命令
    bash -c $exec_command
}

if [ "$#" -lt 2 ];then
log.info "Usage: $0 check/launch/list/start packagename/desktop-file"
exit -1
fi 


if [ "$1" = "check" ];then

scan_desktop_file_log "$2"
	if [ "$desktop_file_path" = "" ];then
		log.error "No desktop file found. exit -1"
		exit -1
	else
		exit 0
	fi

elif [ "$1" = "list" ];then 
scan_desktop_file "$2"
	if [ "$desktop_file_path" = "" ];then
		exit -1
	else
		exit 0
	fi
elif [ "$1" = "launch" ];then 
scan_desktop_file_log "$2"
	if [  "$desktop_file_path" = "" ];then
		log.error "No desktop file found. exit -1"
		exit -1
	fi


launch_app "${desktop_file_path}"

elif [ "$1" = "start" ];then 
launch_app "${desktop_file_path}"
fi
