import Message from "@/message"
import Module from "@/module"
import serifs from "@/serifs"
import autobind from "autobind-decorator"

export default class extends Module {
	public readonly name = "timer"

	@autobind
	public install() {
		return {
			mentionHook: this.mentionHook,
			timeoutCallback: this.timeoutCallback,
		}
	}

	@autobind
	private async mentionHook(msg: Message) {
		const secondsQuery = (msg.text || "").match(/([0-9]+)秒/)
		const minutesQuery = (msg.text || "").match(/([0-9]+)分/)
		const hoursQuery = (msg.text || "").match(/([0-9]+)時間/)

		const seconds = secondsQuery ? parseInt(secondsQuery[1], 10) : 0
		const minutes = minutesQuery ? parseInt(minutesQuery[1], 10) : 0
		const hours = hoursQuery ? parseInt(hoursQuery[1], 10) : 0

		if (!(secondsQuery || minutesQuery || hoursQuery)) return false

		if (seconds + minutes + hours == 0) {
			msg.reply(serifs.timer.invalid)
			return true
		}

		const time = 1000 * seconds + 1000 * 60 * minutes + 1000 * 60 * 60 * hours

		if (time > 86400000) {
			msg.reply(serifs.timer.tooLong)
			return true
		}

		msg.reply(serifs.timer.set)

		const str = `${hours ? hoursQuery![0] : ""}${minutes ? minutesQuery![0] : ""}${seconds ? secondsQuery![0] : ""}`

		// タイマーセット
		this.setTimeoutWithPersistence(time, {
			isDm: msg.isDm,
			msgId: msg.id,
			userId: msg.friend.userId,
			time: str,
		})

		return true
	}

	@autobind
	private timeoutCallback(data) {
		const friend = this.nullcatChan.lookupFriend(data.userId)
		if (friend == null) return // 処理の流れ上、実際にnullになることは無さそうだけど一応
		const text = serifs.timer.notify(data.time, friend.name)
		if (data.isDm) {
			this.nullcatChan.sendMessage(friend.userId, {
				text: text,
			})
		} else {
			this.nullcatChan.post({
				replyId: data.msgId,
				text: text,
			})
		}
	}
}