import { router } from ".."
import { APPENV } from "../constant"
import { getAppInfo, isDevEnv } from "../utils/app"

export function useScanCode(actModalShow) {
	async function scanCodeAction(): Promise<string | undefined> {
		const appInfo = await getAppInfo()

		if (isDevEnv()) {
			// 开发环境模拟扫码
			// const testQrCode = "eyJpZCI6IjE5MDU4ODg4NjQ0NTQ1MzMxMjEiLCJuYW1lIjoi6ICB5Y6/5bqc6aOf5aCCIn0=" // 测试线上-老县府食堂-收款二维码
			// const testQrCode = "eyJoYXJkRG9vcklkIjoiMTkxNDIxNTYwODQzNzQxMTg0MSIsImNhYmluZXRObyI6IjEifQ==" // 测试线上-智能柜-收款二维码
			// const testQrCode = "eyJpZCI6IjE5MDU4MTY3NTEwNDM0NTI5MzAiLCJuYW1lIjoi5paw5Y6/5bqc6LaF5biCIn0=" // 邓本地-测试环境-新县府超市收款二维码
			// const testQrCode = "eyJoYXJkRG9vcklkIjoiMTkxMzE1NzA4MDQxODI5NTgwOSIsImNhYmluZXRObyI6IjEifQ==" // 邓本地-测试单门智能柜柜门二维码
			// const testQrCode = "http://192.168.101.45:8889/h5/#/pages/pay/scanPay?id=1905816751043452930&name=测试新县府超市" // 邓本地-测试环境-新县府超市收款二维码
			// const testQrCode = "http://192.168.101.45:8889/h5/#/pages/pay/scanPay?hardDoorId=1913157080418295809&cabinetNo=1" // 测试智能柜柜门二维码
			// const testQrCode = "eyJjYW5jZWxJZCI6IjE5ODQyNDA4MzM5NDMyMDc5MzcifQ==" // 测试商户活动核销
			const testQrCode = "https://stgl.pj.gov.cn/h5/#/pages/pay/scanPay?id=1931916121241079810"
			uni.showModal({ content: "开发环境不是浙政钉和诗画环境，扫码仅供测试" })
			return Promise.resolve(testQrCode)
		}

		if (appInfo == APPENV.ZZD) {
			// 浙政钉扫码
			const res: any = await (window as any).dd.scan({ type: "all" })
			return res.text || ""
		}

		if (appInfo == APPENV.SH) {
			// 诗画扫码
			const res = await (window as any).CP2.showScanQr({ needResult: 1 })
			if (res.code == 1) return res.data.qrCode || ""
			return ""
		}
		uni.showToast({ title: "当前环境未知", icon: "none" })
	}

	// 处理url扫码结果
	function processUrlScanResult(url: string) {
		if (!url) return
		const searchParams = new URL(url).searchParams
		const paramsObj: Record<string, string> = {}
		searchParams.forEach((value, key) => (paramsObj[key] = value))
		const { hardDoorId, cabinetNo, action, id, name } = paramsObj

		// 智能柜扫码
		if (hardDoorId && cabinetNo) {
			router.jump("/pages/cabinet/buy", { hardDoorId, cabinetNo })
			return
		}
		// 扫收款机上生成的码支付
		if (action === "harQrCodeScanPay") {
			const { mchId, orderId } = paramsObj
			router.jump("/pages/pay/scanPay", { action, mchId, orderId })
			return
		}
		// 扫商户url收款码
		if (id) {
			router.jump("/pages/pay/scanPay", { id, name })
			return
		}
		uni.showToast({ title: "无效的二维码", icon: "none" })
	}

	// 处理base64扫码结果
	function processBase64ScanResult(scanResult: string) {
		const decodedString = decodeBase64(scanResult)
		if (!decodedString) return
		try {
			const decodedJson = JSON.parse(decodedString)
			// 商户活动优惠券扫码核销
			if (decodedJson.cancelId) {
				actModalShow({ cancelId: decodedJson.cancelId })
				return
			}
			// 商户扫码支付
			if (decodedJson.id) {
				router.jump("/pages/pay/scanPay", { id: decodedJson.id })
				return
			}
			// 智能柜扫码开门
			if (decodedJson.hardDoorId && decodedJson.cabinetNo) {
				router.jump("/pages/cabinet/buy", { hardDoorId: decodedJson.hardDoorId, cabinetNo: decodedJson.cabinetNo })
				return
			}
			uni.showToast({ title: "无效的二维码", icon: "none" })
		} catch (error) {
			uni.showToast({ title: "无效的二维码内容", icon: "none" })
		}
	}

	// 解码base64
	function decodeBase64(base64String: string): string | undefined {
		try {
			const decodedBinaryString = atob(base64String)
			const uint8Array = new Uint8Array(decodedBinaryString.length)
			for (let i = 0; i < decodedBinaryString.length; i++) {
				uint8Array[i] = decodedBinaryString.charCodeAt(i)
			}
			const decoder = new TextDecoder("utf-8")
			const decodedString = decoder.decode(uint8Array)

			// console.log("解码结果", decodedString)

			return decodedString
		} catch (error) {
			console.error("Base64 解码失败:", error)
			uni.showToast({ title: "无效的二维码", icon: "none" })
		}
	}

	return { scanCodeAction, processUrlScanResult, processBase64ScanResult }
}