export default (() => {
	//此js已经被魔改,和原作者的OwO.js有所不同,CVer谨慎使用.. by inleft
	class OwO {
		constructor(option) {
			const defaultOption = {
				container: document.getElementsByClassName('OwO')[0],
				target: document.getElementsByTagName('textarea')[0],
				position: 'down',
				width: '100%',
				maxHeight: '250px',
				api: 'https://api.anotherhome.net/OwO/OwO.json'
			}
			for (let defaultKey in defaultOption) {
				if (defaultOption.hasOwnProperty(defaultKey) && !option.hasOwnProperty(defaultKey)) {
					option[defaultKey] = defaultOption[defaultKey]
				}
			}
			this.container = option.container
			this.target = option.target
			if (option.position === 'up') {
				this.container.classList.add('OwO-up')
			}
			if (option.jsonText != null && option.jsonText != undefined && option.jsonText != '') {
				this.odata = option.jsonText
				this.init(option)
			} else {
				const xhr = new XMLHttpRequest()
				xhr.onreadystatechange = () => {
					if (xhr.readyState === 4) {
						if ((xhr.status >= 200 && xhr.status < 300) || xhr.status === 304) {
							this.odata = JSON.parse(xhr.responseText)
							this.init(option)
						} else {
							console.log('OwO data request was unsuccessful: ' + xhr.status)
						}
					}
				}
				xhr.open('get', option.api, true)
				xhr.send(null)
			}

		}

		init(option) {
			this.area = option.target
			this.packages = Object.keys(this.odata)

			// fill in HTML
			let html = `
		            <div class="OwO-logo"><span>OωO表情</span></div>
		            <div class="OwO-body" style="width: ${option.width}"><div class="OwO-jio"></div>`

			for (let i = 0; i < this.packages.length; i++) {
				html +=
					`
		                <ul class="OwO-items OwO-items-${this.odata[this.packages[i]].type}" style="max-height: ${parseInt(option.maxHeight) - 53 + 'px'};">`
				var type = this.odata[this.packages[i]].type
				let opackage = this.odata[this.packages[i]].container
				for (let i = 0; i < opackage.length; i++) {
					if (type == 'image') {
						html +=
							`
		                    <li class="OwO-item" data-id="${opackage[i].data}" title="${opackage[i].text}"><img loading="lazy" class="biaoqing ${opackage[i].css}" src="${opackage[i].icon}"></li>`
					} else {
						html += `
		                    <li class="OwO-item" data-id="not-given" title="${opackage[i].text}">${opackage[i].icon}</li>`
					}
				}

				html += `
		                </ul>`
			}

			html += `
		                <div class="OwO-bar">
		                    <ul class="OwO-packages">`

			for (let i = 0; i < this.packages.length; i++) {
				html += `
		                        <li><span>${this.packages[i]}</span></li>`
			}

			html += `
		                    </ul>
		                </div>
		            </div>
		            `
			this.container.innerHTML = html

			// bind event
			//this.logo = document.getElementsByClassName('OwO-logo')[0]

			//多个logo,获取当前容器下的子节点 by inleft
			this.logo = this.container.getElementsByClassName("OwO-logo")[0];

			this.logo.addEventListener('click', e => {
				e.stopPropagation()
				this.toggle()
			})

			this.container.getElementsByClassName('OwO-body')[0].addEventListener('click', e => {
				let target = null
				if (e.target.classList.contains('OwO-item')) {
					target = e.target
				} else if (e.target.parentNode.classList.contains('OwO-item')) {
					target = e.target.parentNode
				}
				if (target) {
					const cursorPos = this.area.selectionEnd
					let areaValue = this.area.value
					//this.area.value = areaValue.slice(0, cursorPos) + target.innerHTML + areaValue.slice(cursorPos);
					if (target.dataset.id == 'not-given') {
						this.area.value = areaValue.slice(0, cursorPos) + target.innerHTML + areaValue
							.slice(
								cursorPos)
					} else {
						this.area.value = areaValue.slice(0, cursorPos) + target.dataset.id + areaValue
							.slice(
								cursorPos)
					}
					this.area.focus()
					this.toggle()
				}
			})
			this.packagesEle = this.container.getElementsByClassName('OwO-packages')[0]
			for (let i = 0; i < this.packagesEle.children.length; i++) {
				;
				(index => {
					this.packagesEle.children[i].addEventListener('click', e => {
						e.stopPropagation()
						this.tab(index)
					})
				})(i)
			}
			this.tab(0)
		}

		toggle() {
			if (this.container.classList.contains('OwO-open')) {
				this.container.classList.remove('OwO-open')
			} else {
				this.container.classList.add('OwO-open')
			}
		}

		tab(index) {
			const itemsShow = this.container.getElementsByClassName('OwO-items-show')[0]
			if (itemsShow) {
				itemsShow.classList.remove('OwO-items-show')
			}
			this.container.getElementsByClassName('OwO-items')[index].classList.add('OwO-items-show')

			const packageActive = this.container.getElementsByClassName('OwO-package-active')[0]
			if (packageActive) {
				packageActive.classList.remove('OwO-package-active')
			}
			this.packagesEle.getElementsByTagName('li')[index].classList.add('OwO-package-active')
		}
	}
	if (typeof module !== 'undefined' && typeof module.exports !== 'undefined') {
		module.exports = OwO
	} else {
		window.OwO = OwO
	}
})()