## 钉钉通知，参考https://github.com/hzgjq/DingTalkRobot，$1：消息内容
notify_dingding_bot () {
    local message="{\"msgtype\": \"text\",\"text\": {\"content\": \"$1\"}}"
    local dd_api_url_base=https://oapi.dingtalk.com/robot/send
    local timestamp sign dd_api_url send_result err_code err_message

    timestamp=$(date -u "+%s%3N")
    sign=$(echo -ne "$timestamp\n$DD_BOT_SECRET" | openssl dgst -sha256 -hmac "$DD_BOT_SECRET" -binary | openssl base64)
    dd_api_url="$dd_api_url_base?access_token=${DD_BOT_TOKEN}&timestamp=${timestamp}&sign=${sign}"
    send_result=$(curl -Ssk -H "Content-Type:application/json" -X POST -d "$message" "$dd_api_url")
    err_code=$(echo "$send_result" | jq .errcode)
    err_message=$(echo "$send_result" | jq -r .errmsg)
    if [[ $err_code -eq 0 ]]; then
        echo -e "发送钉钉BOT通知成功\n"
    else
        echo -e "发送钉钉BOT通知失败，错误代码：$err_code，错误消息：$err_message\n"
    fi
}

## 发送Telegram通知，$1：消息内容
notify_telegram () {
    local message="$(echo -e $1)"
    local tg_api_url="https://api.telegram.org/bot${TG_BOT_TOKEN}/sendMessage"
    local send_result err_code err_message

    send_result=$(curl -Ssk -H "Content-Type:application/x-www-form-urlencoded" -X POST -d "chat_id=${TG_USER_ID}&text=${message}&disable_web_page_preview=true" "$tg_api_url")
    send_result=$(echo "$send_result" | perl -pe "{s|\n|\\\n|g; s|\\\n$||}")
    err_code=$(echo "$send_result" | jq .ok)
    if [[ $err_code == true ]]; then
        echo -e "发送Telegram通知成功\n"
    else
        err_code=$(echo "$send_result" | jq .err_code)
        [[ err_code == 400 ]] && err_message="请主动给bot发送一条消息并检查接收用户ID是否正确。"
        [[ err_code == 401 ]] && err_message="Telegram Bot Token 填写错误。"
        echo -e "发送Telegram通知失败，错误代码：$err_code，错误消息：$err_message\n"
    fi
}

## 爱语飞飞通知，$1：标题；$2：内容
notify_iyuu () {
    local title="$1"
    local desp="$(echo -e $2)"
    local iyuu_url=http://iyuu.cn/${IYUU_TOKEN}.send
    local send_result err_code err_message

    send_result=$(curl -Ss -X POST -d "text=$title&desp=$desp" $iyuu_url)
    err_code=$(echo "$send_result" | jq .errcode)
    err_message=$(echo "$send_result" | jq -r .errmsg)
    if [[ $err_code -eq 0 ]]; then
        echo -e "发送爱语飞飞通知成功\n"
    else
        echo -e "发送爱语飞飞通知失败，错误代码：$err_code，错误消息：$err_message\n"
    fi
}

## Server酱通知，$1：标题；$2：内容
notify_serverchan () {
    local title="$1"
    local desp="$(echo -e $2)"
    local serverchan_url end_result

    [[ $SCKEY == SCT* ]] && serverchan_url=https://sctapi.ftqq.com/${SCKEY}.send || serverchan_url=https://fcqq.com/${SCKEY}.send
    send_result=$(curl -Ssk -X POST -d "text=$title&desp=$desp" $serverchan_url)
    if [[ $(echo "$send_result" | jq .data.errno) -eq 0 || $(echo "$send_result" | jq .errno) -eq 0 ]]; then
        echo -e "发送Server酱通知成功...\n"
    else
        echo -e "发送Server酱通知失败，错误消息：$send_result\n"
    fi
}

## 发送通知，$1：标题；$2：内容
notify () {
    local title="$1"
    local desp="$2"

    [[ $DD_BOT_TOKEN ]] && [[ $DD_BOT_SECRET ]] && notify_dingding_bot "$title\n\n$desp"
    [[ $TG_BOT_TOKEN ]] && [[ $TG_USER_ID ]] && notify_telegram "$title\n\n$desp"
    [[ $IYUU_TOKEN ]] && notify_iyuu "$title" "$desp"
    [[ $SCKEY ]] && notify_serverchan "$title" "$desp"
}