import { http } from '@/common/service/service.js'
import { USER_INFO } from '@/common/util/constants.js'

/** 线上下单模式：与后端 DiningMode 枚举一致 */
export const DINING_MODE = {
	ORDER_ONLY: 'ORDER_ONLY',
	ORDER_AND_PAY: 'ORDER_AND_PAY'
}

export function getMerchantId() {
	const info = uni.getStorageSync(USER_INFO) || {}
	return info.merchantId || ''
}

/** 前端下单类型 -> 后端 diningMode */
export function mapOrderModeToDiningMode(orderMode) {
	return orderMode === 'orderPay' ? DINING_MODE.ORDER_AND_PAY : DINING_MODE.ORDER_ONLY
}

/** 后端 diningMode -> 前端下单类型 */
export function mapDiningModeToOrderMode(diningMode) {
	return diningMode === DINING_MODE.ORDER_AND_PAY ? 'orderPay' : 'orderOnly'
}

/** 查询门店扫码点餐配置 */
export function fetchDiningConfig(merchantId) {
	return http.get('/api/v2/merchant/dining-config', {
		params: { merchantId }
	})
}

/** 保存门店扫码点餐配置 POST /api/v2/merchant/dining-config */
export function saveDiningConfig(data) {
	return http.post('/api/v2/merchant/dining-config', data)
}

/** 解析配置接口 result */
export function parseDiningConfigResponse(result = {}) {
	return {
		diningMode: result.diningMode || ''
	}
}

/** 批量添加门店桌号 */
export function batchCreateTables(data) {
	return http.post('/api/v2/merchant/dining-tables/batch', data)
}

/** 查询门店桌号列表 GET /jeecg-boot/api/v2/merchant/dining-tables */
export function fetchTableList(merchantId, { pageNo = 1, pageSize = 10 } = {}) {
	return http.get('/api/v2/merchant/dining-tables', {
		params: { merchantId, pageNo, pageSize }
	})
}

/** 解析列表接口 result（兼容分页与普通数组） */
export function parseTableListResponse(result) {
	if (!result) {
		return { list: [], diningMode: '', total: 0, current: 1, pages: 0, hasMore: false }
	}
	if (Array.isArray(result)) {
		return {
			list: result,
			diningMode: '',
			total: result.length,
			current: 1,
			pages: 1,
			hasMore: false
		}
	}
	const list = result.records || result.list || result.items || []
	const total = result.total != null ? result.total : list.length
	const current = result.current != null ? result.current : (result.pageNo != null ? result.pageNo : 1)
	const size = result.size != null ? result.size : (result.pageSize != null ? result.pageSize : list.length || 1)
	const pages = result.pages != null ? result.pages : Math.ceil(total / size)
	return {
		list,
		diningMode: result.diningMode || '',
		total,
		current,
		pages,
		hasMore: current < pages
	}
}

/** 归一化桌号列表项 */
export function normalizeTableItem(row = {}) {
	const code = row.tableCode != null ? String(row.tableCode) : (row.tableNo != null ? String(row.tableNo) : String(row.no || ''))
	return {
		id: row.id,
		no: code,
		tableCode: code,
		miniQrUrl: row.miniQrUrl || row.miniProgramQrUrl || '',
		officialQrUrl: row.officialQrUrl || row.mpQrUrl || ''
	}
}

export function normalizeTableList(list) {
	if (!Array.isArray(list)) return []
	return list.map(normalizeTableItem).sort((a, b) => parseInt(a.no, 10) - parseInt(b.no, 10))
}