import { getUniActivity } from "io.dcloud.uts.android";
import Gravity from 'android.view.Gravity';
import Toast from "android.widget.Toast";
import { WaitingView } from "./WaitingView.uts"
import { ShowToastOptions, ShowLoadingOptions, ShowToastFail,ShowToastSuccess, ShowLoadingFail,ShowLoadingSuccess } from '../interface.uts'


type ToastStyle = {
	title : string,
	icon ?: string,
	image ?: string,
	mask ?: boolean,
	duration ?: number,
	position ?: string,
	style ?: string,
	success ?: (res : UTSJSONObject) => void,
	fail ?: (res : UTSJSONObject) => void,
	complete ?: (res : UTSJSONObject) => void
}

let timeout : number | null = null
let toast : WaitingView | null = null
let toastType : string | null = null

export function showToastImpl(style : ShowToastOptions) {
	makeToast(style, 'toast', 'showToast')
	
}

export function hideToastImpl() {
	closeToast("toast")
}

export function showLoadingImpl(option : ShowLoadingOptions) {
	makeLoading(option, 'loading', 'showLoading')
}

export function hideLoadingImpl() {
	closeToast("loading")
}

function closeToast(type : string | null) {
	if (type != null && type !== toastType) {
		return
	}
	if (timeout != null && (timeout as number) > 0) {
		clearTimeout(timeout as number)
		timeout = null
	}
	if (toast != null) {
		(toast as WaitingView).close()
		toast = null
	}
	if (toast != null) {
		(toast as WaitingView).close()
		toast = null
	}
	if (androidToast != null) {
		androidToast!.cancel()
		androidToast = null
	}
	toastType = null
}

function makeLoading(style : ShowLoadingOptions, type : string, errMsg : string) {
	// 关闭之前的展示框
	closeToast(null)
	if (style.title == null) {
		// 没有title 打回报错信息即可
		let res = new UniError("uni-prompt",1001,"showLoading:title is null");
		style.fail?.(res)
		style.complete?.(res)

	} else {
		toastType = type

		let options = {};
		let icon = "success"

		options = {
			name: style.title,
			modal: style.mask,
			back: 'transmit',
			padding: '10',
			size: '16' // 固定字体大小
		}

		options["width"] = "140"
		options["height"] = "112"

		const alert = new WaitingView(getUniActivity(), options)
		toast = alert
		alert.showWaiting()

		const res : ShowLoadingSuccess = {
		}
		style.success?.(res)
		style.complete?.(res)
	}
}

let androidToast:Toast| null = null


function makeToast(style : ShowToastOptions, type : string, errMsg : string) {
	closeToast(null)
	if (style.title == null || style.title.length == 0) {

		let res = new UniError("uni-prompt",1001,"showLoading:title is null");
		style.fail?.(res)
		style.complete?.(res)

	} else {
		
		toastType = type
		if (["top", "center", "bottom"].indexOf(style.position) >= 0) {
			androidToast = Toast.makeText(getUniActivity(), style.title, Toast.LENGTH_SHORT);
			switch (style.position) {
				case "top": {
					// 修复bottom/top 与 前端api位置不一致的问题
					androidToast!.setGravity(Gravity.TOP, androidToast!.getXOffset(), androidToast!.getYOffset())
					break
				}
				case "center": {
					androidToast!.setGravity(Gravity.CENTER, 0, 0)
					break
				}
				case "bottom": {
					androidToast!.setGravity(Gravity.BOTTOM, androidToast!.getXOffset(), androidToast!.getYOffset())
					break
				}
			}
			androidToast!.show()
			const res : ShowToastSuccess = {
			}
			
			style.success?.(res)
			style.complete?.(res)
		} else {
			let options = {};
			let icon = style.icon
			if (icon == null || ["success", "loading", "error", "none"].indexOf(icon) < 0) {
				icon = "success"
			}
			options = {
				name: style.title,
				modal: style.mask,
				back: 'transmit',
				padding: '10',
				size: '16' // 固定字体大小
			}
			if ((style.image == null || style.image == '') && icon == "none") {
				options["loading"] = {
					display: "none"
				}
			} else {
				options["width"] = "140"
				options["height"] = "112"
			}
			if (style.image != null && style.image != '') {
				options["loading"] = {
					display: "block",
					height: "55",
					icon: style.image
				}
			} else {
				if (['success', 'error'].indexOf(icon) >= 0) {
					options["loading"] = {
						display: 'block',
						height: '36',
						icon: icon == "success" ? "successIcon" : "errorIcon"
					}
				}
			}

			const alert = new WaitingView(getUniActivity(), options)
			toast = alert
			alert.showWaiting()
			let duration : number | null = style.duration
			if (duration == null || duration <= 0) {
				duration = 1500
			}
			if (type !== "loading") {
				timeout = setTimeout(() => {
					alert.close()
				}, duration)
			}
			
			const res : ShowToastSuccess = {
			}
			
			style.success?.(res)
			style.complete?.(res)
		}
	}
}