import { getApiEndpoint } from '../config/api.uts'
import { getCurrentStoreId } from './session.uts'
import { request, HttpError } from './http.uts'

export type VerificationScanResult = {
	verificationId: string
	credentialType: string
	status: string
	title: string
	message: string
	canVerify: boolean
	orderNo: string
	customerName: string
	customerMobile: string
	cardLevel: string
	subsidyAmount: number
	freeStayTotalCount: number
	freeStayRemainingCount: number
	/** 免费入住：超过免费天数后的折扣文案（如「门市价9折」，没配折扣时为空）。 */
	discountText: string
	benefitText: string
}

export type VerificationConfirmResult = {
	verified: boolean
	verifyNo: string
	status: string
	message: string
	verifiedAt: string
}

const localError = (code: string, message: string): HttpError => ({
	code: code,
	message: message,
	statusCode: 0,
	traceId: ''
})

export const scanVerificationCode = (
	rawCode: string,
	onSuccess: (result: VerificationScanResult, traceId: string) => void,
	onError: (error: HttpError) => void
): (() => void) => {
	const code = rawCode.trim()
	if (code.length == 0) {
		onError(localError('EMPTY_SCAN_RESULT', '未识别到有效二维码，请重新扫描'))
		return () => {}
	}
	const storeId = getCurrentStoreId()
	if (storeId.length == 0) {
		onError(localError('STORE_CONTEXT_MISSING', '缺少当前门店信息，请重新登录后再试'))
		return () => {}
	}

	return request<any>({
		path: getApiEndpoint('verificationScan'),
		method: 'POST',
		data: {
			scanResult: code,
			storeId: storeId
		}
	}, (data: any, traceId: string) => {
		if (data == null) {
			onError({ code: 'INVALID_SCAN_RESPONSE', message: '核验响应为空，请重新扫描', statusCode: 200, traceId: traceId })
			return
		}
		const verificationId = data.verificationId != null ? data.verificationId as string : ''
		const status = data.status != null ? data.status as string : ''
		let canVerify = false
		if (data.canVerify != null) {
			canVerify = data.canVerify as boolean
		} else {
			canVerify = verificationId.length > 0 || status == 'available' || status == 'pending'
		}
		const result: VerificationScanResult = {
			verificationId: verificationId,
			credentialType: data.credentialType != null ? data.credentialType as string : '',
			status: status,
			title: data.title != null ? data.title as string : (canVerify ? '核验通过' : '当前二维码不可核销'),
			message: data.message != null ? data.message as string : (data.reason != null ? data.reason as string : (canVerify ? '二维码有效，可继续确认核销' : '请确认二维码状态后重新扫描')),
			canVerify: canVerify,
			orderNo: data.orderNo != null ? data.orderNo as string : '',
			customerName: data.customerName != null ? data.customerName as string : '',
			customerMobile: data.customerMobile != null ? data.customerMobile as string : '',
			cardLevel: data.cardLevel != null ? data.cardLevel as string : '',
			subsidyAmount: data.subsidyAmount != null ? Number(data.subsidyAmount) : 0,
			freeStayTotalCount: data.freeStayTotalCount != null ? Number(data.freeStayTotalCount) : 0,
			freeStayRemainingCount: data.freeStayRemainingCount != null ? Number(data.freeStayRemainingCount) : 0,
			discountText: data.discountText != null ? '' + data.discountText : '',
			benefitText: data.benefitText != null ? '' + data.benefitText : ''
		}
		onSuccess(result, traceId)
	}, onError)
}

/** 免费入住券核销：不涉及支付，只扣券次数。订单核销走 confirmMerchantOrderVerification。 */
export const confirmVerificationCode = (
	verificationId: string,
	idempotencyKey: string,
	onSuccess: (result: VerificationConfirmResult, traceId: string) => void,
	onError: (error: HttpError) => void
): (() => void) => request<VerificationConfirmResult>({
	path: getApiEndpoint('verificationFreeStayConfirm'),
	method: 'POST',
	idempotencyKey: idempotencyKey,
	data: { verificationId: verificationId }
}, onSuccess, onError)

/**
 * 手输 6 位数字核销码之后的确认核销。
 *
 * 这条路不能复用订单核销接口：数字码的扫码答复刻意不返回订单号（6 位只有 100 万空间，返回归属
 * 等于给枚举一张映射表），所以客户端拿不到单号；服务端从这次扫码尝试反查订单再核销。
 */
export const confirmNumericVerificationCode = (
	verificationId: string,
	idempotencyKey: string,
	onSuccess: (result: any, traceId: string) => void,
	onError: (error: HttpError) => void
): (() => void) => request<any>({
	path: getApiEndpoint('verificationNumericConfirm'),
	method: 'POST',
	idempotencyKey: idempotencyKey,
	data: { verificationId: verificationId }
}, onSuccess, onError)