import Vue from 'vue'
import SuperToast from '@/components/toast-message'

const Toast = {
	install(Vue, options = {}) {
		// 安全检测浏览器环境
		const isBrowser = typeof window !== 'undefined' && typeof document !== 'undefined'

		// 创建安全的DOM操作方法
		const safeDOM = {
			createContainer: () => {
				if (!isBrowser) return null

				const container = document.createElement('div')
				container.className = 'uni-toast-container'
				document.body.appendChild(container)
				return container
			},
			removeContainer: (container) => {
				if (isBrowser && container && container.parentNode) {
					document.body.removeChild(container)
				}
			}
		}

		let toastInstance = null
		let currentContainer = null

		Vue.prototype.$toast = (options) => {
			// 处理非浏览器环境
			if (!isBrowser) {
				console.warn('[Toast] 当前环境不支持DOM操作')
				return {
					close: () => {},
					update: () => {}
				}
			}

			// 清理旧实例
			if (toastInstance) {
				toastInstance.$destroy()
				safeDOM.removeContainer(currentContainer)
			}

			// 创建新实例
			currentContainer = safeDOM.createContainer()
			const config = typeof options === 'string' ?
				{
					message: options
				} :
				options

			toastInstance = new Vue({
				render: h => h(SuperToast, {
					props: {
						...config,
						showClose: config.showClose ?? true
					},
					on: {
						close: () => {
							setTimeout(() => {
								toastInstance.$destroy()
								safeDOM.removeContainer(currentContainer)
								currentContainer = null
							}, 300)
						}
					}
				})
			}).$mount(currentContainer)

			// 返回控制器
			return {
				close: () => toastInstance?.$children[0]?.hide(),
				update: (newOptions) => {
					if (toastInstance?.$children[0]) {
						Object.assign(toastInstance.$children[0].$props, newOptions)
					}
				}
			}
		}

		// 快捷方法
		const types = ['info', 'success', 'warning', 'error', 'loading']
		types.forEach(type => {
			Vue.prototype.$toast[type] = (message, duration = 2000) => {
				return Vue.prototype.$toast({
					type,
					message,
					duration
				})
			}
		})
	}
}

Vue.use(Toast)