import { startPayOptions } from '../../interface.uts'

/**
 * 检查是否安装云闪付App
 * 通过 canOpenURL 检测云闪付 scheme
 */
export function checkWalletInstalled(): boolean {
	try {
		const UIApplication = plus.ios.importClass('UIApplication')
		const app = UIApplication.sharedApplication()
		const url = plus.ios.importClass('NSURL')!.URLWithString('uppaywallet://')
		return app.canOpenURL(url)
	} catch (e) {
		console.log('检测云闪付安装状态失败:', e)
		return true
	}
}

/**
 * 发起支付（云闪付）
 * 调用 UMS SDK 的 UMSPPPayUnifyPayPlugin 进行支付
 */
export function startPay(options: startPayOptions): void {
	try {
		const UMSPPPayUnifyPayPlugin = plus.ios.importClass('UMSPPPayUnifyPayPlugin')
		if (UMSPPPayUnifyPayPlugin == null) {
			options.callback({ code: -1, msg: 'UMS 支付插件加载失败' })
			return
		}

		const viewController = UTSiOS.getCurrentViewController()
		if (viewController == null) {
			options.callback({ code: -1, msg: '获取当前视图控制器失败' })
			return
		}

		// payData：后端返回的 appPayRequest 对应的 JSON 字符串
		const payData = options.tn
		const channel = options.channel || 'unionpay'

		// 统一结果处理 block
		const resultBlock = (resultCode: string, resultInfo: string) => {
			console.log('UMS iOS 支付结果:', resultCode, resultInfo)
			let code = -1
			let msg = resultInfo || '支付失败'

			if (resultCode === '0000' || resultCode === '0') {
				code = 0
				msg = '支付成功'
			} else if (resultCode === '-2' || resultCode === '2000' || resultCode === '2001') {
				code = -2
				msg = '支付已取消'
			} else if (resultCode === '1') {
				code = 1
				msg = '支付处理中'
			}

			options.callback({
				code: code,
				msg: msg,
				data: { resultCode: resultCode, resultInfo: resultInfo }
			})
		}

		// 根据支付渠道调用不同方法
		if (channel === 'unionpay') {
			// 云闪付
			UMSPPPayUnifyPayPlugin.cloudPayWithURLSchemes_payData_viewController_callbackBlock(
				'uppayfull', payData, viewController, resultBlock
			)
		} else if (channel === 'alipay') {
			// 支付宝间联支付
			UMSPPPayUnifyPayPlugin.aliSafePayWithURLSchemes_payData_callbackBlock(
				'uppayfull', payData, resultBlock
			)
		} else if (channel === 'weixin') {
			// 微信支付（需申请微信SDK后才能使用）
			// UMSPPPayUnifyPayPlugin.payWithPayChannel_payData_callbackBlock('CHANNEL_WEIXIN', payData, resultBlock)
			options.callback({ code: -1, msg: '微信支付暂不支持，请先申请微信SDK' })
		} else {
			options.callback({ code: -1, msg: '未知支付渠道: ' + channel })
		}

	} catch (e) {
		console.error('UMS iOS 支付调用异常:', e)
		options.callback({ code: -1, msg: '支付调用异常: ' + (e.message || String(e)) })
	}
}

/**
 * 获取直通银行 App 列表
 * 【注】UMS SDK 暂未实现此功能
 */
export function getDirectApps(callback: Function): void {
	callback({ code: 0, msg: 'UMS SDK 暂不支持此功能', data: [] })
}