import { loadConfig } from '../config.js'

const LIST_API = 'https://api2.byreal.io/byreal/api/dex/v2/position/list'
const DETAIL_API = 'https://api2.byreal.io/byreal/api/dex/v2/position/detail'
// const COPY_INFO_API = 'https://api2.byreal.io/byreal/api/dex/v2/copy/info'

interface BonusInfo {
	fromCreatorPosition?: string
	[key: string]: unknown
}

interface PositionListItem {
	address?: string
	positionAddress?: string
	bonusInfo?: BonusInfo
	[key: string]: unknown
}

interface PositionListResult {
	total?: number
	positions?: PositionListItem[]
	[key: string]: unknown
}

interface ApiListResponse {
	retCode: number
	result?: {
		success?: boolean
		data?: PositionListResult
		[key: string]: unknown
	}
}

interface PositionDetailData {
	positionAddress?: string
	bonusInfo?: BonusInfo
	status?: number
	address?: string
	[key: string]: unknown
}

interface ApiDetailResponse {
	retCode: number
	result?: {
		success?: boolean
		data?: PositionDetailData
		[key: string]: unknown
	}
}

function isClosedStatus(status: number | undefined): boolean {
	if (status === 1) return true
	return false
}

async function fetchPositionList(
	userAddress: string,
	page: number,
	pageSize: number,
	tokenAddress?: string,
): Promise<ApiListResponse> {
	const params = new URLSearchParams({
		userAddress,
		page: String(page),
		pageSize: String(pageSize),
		status: String(0)
	})
	if (tokenAddress) params.set('tokenAddress', tokenAddress)
	const url = `${LIST_API}?${params.toString()}`
	const res = await fetch(url)
	return res.json() as Promise<ApiListResponse>
}

async function fetchPositionDetail(address: string): Promise<ApiDetailResponse> {
	const url = `${DETAIL_API}?address=${encodeURIComponent(address)}`
	const res = await fetch(url)
	return res.json() as Promise<ApiDetailResponse>
}

interface LpCloseApiResponse {
	success: boolean
	txid?: string
	[key: string]: unknown
}

async function callLpCloseApi(
	apiUrl: string,
	auth: string,
	nftMintAddress: string
): Promise<LpCloseApiResponse> {
	const res = await fetch(apiUrl, {
		method: 'POST',
		body: JSON.stringify({ nftMintAddress }),
	})
	return res.json() as Promise<LpCloseApiResponse>
}

async function sendDiscordCloseResultNotification(
	webhookUrl: string,
	childPositionAddress: string,
	parentPositionAddress: string,
	success: boolean,
	txid?: string
): Promise<void> {
	const embed = {
		title: success ? '✅ 子仓位关闭成功' : '❌ 子仓位关闭失败',
		description: success
			? '父仓位已关闭，已通过接口关闭子仓位。'
			: '父仓位已关闭，但调用关闭接口失败，请手动处理子仓位。',
		color: success ? 0x00ff00 : 0xff0000,
		fields: [
			{
				name: '📍 子仓位地址',
				value: `[${childPositionAddress.slice(0, 8)}...${childPositionAddress.slice(-8)}](https://solscan.io/account/${childPositionAddress})`,
				inline: false,
			},
			{
				name: '📍 父仓位地址',
				value: `[${parentPositionAddress.slice(0, 8)}...${parentPositionAddress.slice(-8)}](https://solscan.io/account/${parentPositionAddress})`,
				inline: false,
			},
			...(success && txid
				? [
					{
						name: '交易 ID',
						value: `[${txid.slice(0, 16)}...](https://solscan.io/tx/${txid})`,
						inline: false,
					},
				]
				: []),
		],
		timestamp: new Date().toISOString(),
		footer: { text: 'ByReal Auto Trading' },
	}

	await fetch(webhookUrl, {
		method: 'POST',
		headers: { 'Content-Type': 'application/json' },
		body: JSON.stringify({ embeds: [embed] }),
	})
}

/**
 * 获取全部 LP 仓位（分页），检查每个仓位的 bonusInfo.fromCreatorPosition 对应父仓位是否已关闭，
 * 若已关闭则调用 lp-close 接口关闭子仓位，并根据接口结果发送 Discord 通知。
 */
export async function checkParentPositionsClosed(): Promise<void> {
	const cfg = loadConfig()
	const closeCfg = cfg.closePosition
	if (!closeCfg) {
		console.log('[closePosition] 未配置 closePosition，跳过')
		return
	}

	const { userAddress, discordWebhookUrl, pageSize, lpCloseApiUrl, lpCloseAuth } = closeCfg
	const PAGE_SIZE = pageSize ?? 50
	let page = 1
	let total = 0
	const parentAddressesByChild = new Map<string, string>() // childAddress -> parentAddress

	do {
		const listRes = await fetchPositionList(userAddress, page, PAGE_SIZE)
		const data = listRes?.result?.data
		const list = data?.positions ?? []
		const totalFromApi = data?.total ?? 0
		if (page === 1) total = totalFromApi

		for (const item of list) {
			const childDetailRes = await fetchPositionDetail(item.positionAddress ?? '')
			const childDetail = childDetailRes?.result?.data as PositionDetailData
			if (!childDetailRes?.result?.success || childDetail == null) {
				console.warn(`[closePosition] 获取子仓位详情失败: ${item.address ?? item.positionAddress ?? ''}`)
				continue
			}
			const childAddress = childDetail.positionAddress ?? ''
			if (childDetail.bonusInfo?.fromCreatorPosition) {
				parentAddressesByChild.set(childAddress, (childDetail.bonusInfo?.fromCreatorPosition as string) ?? '')
			}
		}

		if (list.length < PAGE_SIZE || list.length === 0) break
		page++
	} while (page * PAGE_SIZE < total)

	const parentAddresses = [...new Set(parentAddressesByChild.values())]
	console.log(`[closePosition] 共 ${parentAddressesByChild.size} 条仓位含父仓位，去重后 ${parentAddresses.length} 个父仓位待检查`)

	for (const [childAddress, parentAddress] of parentAddressesByChild) {
		try {
			const detailRes = await fetchPositionDetail(parentAddress)
			const detail = detailRes?.result?.data
			if (!detailRes?.result?.success || detail == null) {
				console.warn(`[closePosition] 获取父仓位详情失败: ${parentAddress}`)
				continue
			}
			if (isClosedStatus(detail.status)) {
				console.log(`[closePosition] 父仓位已关闭: ${parentAddress}，调用接口关闭子仓位`)
				try {
					const closeRes = await callLpCloseApi(lpCloseApiUrl, lpCloseAuth, childAddress)
					await sendDiscordCloseResultNotification(
						discordWebhookUrl,
						childAddress,
						parentAddress,
						!!closeRes?.success,
						closeRes?.txid
					)
					if (closeRes?.success) {
						console.log(`[closePosition] 子仓位 ${childAddress} 关闭成功, txid: ${closeRes.txid ?? '-'}`)
					} else {
						console.warn(`[closePosition] 子仓位 ${childAddress} 关闭失败`)
					}
				} catch (e) {
					console.error('[closePosition] 调用关闭接口异常:', e)
					await sendDiscordCloseResultNotification(
						discordWebhookUrl,
						childAddress,
						parentAddress,
						false
					)
				}
			}
		} catch (e) {
			console.error(`[closePosition] 检查父仓位 ${parentAddress} 异常:`, e)
		}
	}
}

const INTERVAL_MS = 60 * 60 * 1000 // 每 60 分钟

function run(): void {
	checkParentPositionsClosed().catch(console.error)
}

run()
setInterval(run, INTERVAL_MS)
console.log('[closePosition] 已启动，每', INTERVAL_MS / 60000, '分钟检查一次')