import Gravity from 'android.view.Gravity';
import Toast from "android.widget.Toast";
import { WaitingView } from "./WaitingView.uts"
import { ShowToastOptions, ShowLoadingOptions, ShowToastSuccess, ShowLoadingSuccess } from '../interface.uts'
import { PromptErrorImpl } from "../unierror.uts"

// #ifdef UNI-APP-X
import getCurrentPages from 'io.dcloud.uniapp.framework.getCurrentPages';
import onReady from 'io.dcloud.uniapp.framework.onReady';
import onUnload from 'io.dcloud.uniapp.framework.onUnload';
// #endif


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")
}


// 全局存储
// #ifdef UNI-APP-X
const onReadyToast = new Map<ComponentPublicInstance,UTSJSONObject>()
// #endif

function closeToast(type : string | null) {
	if (type != null && type !== toastType) {
		return
	}
	// #ifdef UNI-APP-X
	let pages = getCurrentPages();
	if (pages.length > 0) {
		let page = pages[pages.length - 1];
		onReadyToast.remove(page)
	}
	// #endif
	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 PromptErrorImpl(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"

		
		
		// #ifndef UNI-APP-X
			/**
			 * uni-app
			 */
			const alert = new WaitingView(UTSAndroid.getTopPageActivity(), options)
			toast = alert
			alert?.showWaiting();
			
			UTSAndroid.onAppActivityDestroy(function(){
				toast?.close()
				toast = null
			})
			
		// #endif
		// #ifdef UNI-APP-X
			/**
			 * uni-app x
			 * 需要特殊处理生命周期 
			 */
			const pages = getCurrentPages();
			if (pages.length > 0) {
			    const page = pages[pages.length - 1]
			    const instance = page.$
			    if (page.$isReady) {
					const alert = new WaitingView(UTSAndroid.getTopPageActivity(), options)
					toast = alert
			        alert?.showWaiting();
			    } else {
					onReadyToast.set(page,options)
			        onReady(() => {
						if(onReadyToast.containsKey(page)){
							options = onReadyToast.get(page) as UTSJSONObject;
							
							const alert = new WaitingView(UTSAndroid.getTopPageActivity(), options)
							toast = alert
							alert?.showWaiting();
							
							onReadyToast.remove(page)
						}
			        }, instance)
			    }
			    
				onUnload(() => {
					toast?.close()
					toast = null
				}, instance)
			}
		// #endif
		
		
		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 PromptErrorImpl(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(UTSAndroid.getTopPageActivity(), 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"
					}
				}
			}

			
			
			// #ifndef UNI-APP-X
				/**
				 * uni-app
				 */
				const alert = new WaitingView(UTSAndroid.getTopPageActivity(), options)
				toast = alert
				alert?.showWaiting();
				
				UTSAndroid.onAppActivityDestroy(function(){
					toast?.close()
					toast = null
				})
				
			// #endif
			// #ifdef UNI-APP-X
				/**
				 * uni-app x
				 * 需要特殊处理生命周期 
				 */
				const pages = getCurrentPages();
				if (pages.length > 0) {
				    const page = pages[pages.length - 1]
				    const instance = page.$
				    if (page.$isReady) {
						const alert = new WaitingView(UTSAndroid.getTopPageActivity(), options)
						toast = alert
				        alert?.showWaiting();
				    } else {
						onReadyToast.set(page,options)
				        onReady(() => {
							if(onReadyToast.containsKey(page)){
								options = onReadyToast.get(page) as UTSJSONObject;
								 
								const alert = new WaitingView(UTSAndroid.getTopPageActivity(), options)
								toast = alert
								alert?.showWaiting();
							
								onReadyToast.remove(page)
							}
				        }, instance)
				    }
				    
					onUnload(() => {
						toast?.close()
						toast = null
					}, instance)
				}
			// #endif
			
			
			let duration : number | null = style.duration
			if (duration == null || duration <= 0) {
				duration = 1500
			}
			if (type !== "loading") {
				timeout = setTimeout(() => {
					toast?.close()
				}, duration)
			}
			
			const res : ShowToastSuccess = {
			}
			
			style.success?.(res)
			style.complete?.(res)
		}
	}
}