import {createApp, nextTick} from "vue/dist/vue.esm-bundler.js";
import {getTokenHeader} from '~src/api/request/header';
import {toParse, isArray} from "vue-utils-plus";
import HcTableFormUpload from "~com/plugins/table-form/hc-form-upload.vue"
import HcFormSelectSearch from "~com/plugins/table-form/hc-form-select-search.vue"
import HcFormCheckboxGroup from "~com/plugins/table-form/hc-form-checkbox-group.vue"

import {
    ElButton, ElTooltip, ElInput, ElDatePicker, ElUpload,
    ElInputNumber, ElSelect, ElOption, ElRadioGroup,
    ElRadio, ElCheckbox, ElCheckboxGroup, ElTimePicker
} from 'element-plus'


const components = {
    ElButton, ElTooltip, ElInput, ElDatePicker, ElUpload,
    ElInputNumber, ElTimePicker, ElSelect, ElOption, ElRadioGroup,
    ElRadio, ElCheckbox, ElCheckboxGroup, HcTableFormUpload, HcFormSelectSearch,
    HcFormCheckboxGroup
}

//表单渲染
export default class HTableForm {
    static createForm({template, tableForm, keys, appId, onRight, onBlur}) {
        const _this = this;
        const app = createApp({
            data() {
                return {
                    getTokenHeader: getTokenHeader(),
                    formData: tableForm,
                }
            },
            //html标签数据
            template,
            //自定义组件，需要把饿了么的组件，或者自定义组件手动传递进来绑定，否则渲染时，自定义组件不会生效
            components,
            //监听数据，伪双向绑定（v-model）
            watch: {
                tableForm: {
                    handler(obj) {
                        this.formData = obj
                    },
                    deep: true
                },
                formData: {
                    handler(obj) {
                        tableForm = obj
                    },
                    deep: true
                },
            },
            methods: {
                //鼠标右键事件
                RightClick(a, b, c, d, e, f, event) {
                    event.preventDefault();
                    const KeyName = event?.target?.getAttribute('keyname') || ''
                    if (onRight) {
                        onRight(event, KeyName)
                    }
                },
                //焦点事件
                getInformation() {
                },
                //日期选择事件
                datePickerChange(val, key) {
                    this.formData[key] = val
                },
                //上传完成
                formUploadSuccess({src, key}) {
                    this.formData[key] = src
                },
                //删除上传的文件
                delTableFormFile(key) {
                    this.formData[key] = ''
                },
                //失去焦点事件
                getRegularExpression(event, reg, msg, a, b, leng) {
                    const KeyName = event?.target?.getAttribute('keyname') || ''
                    if (onBlur) {
                        onBlur(event, KeyName, reg, this.formData[KeyName], msg, leng)
                    }
                },
                //远程搜索处理
                formRemoteChange(data) {
                    Object.keys(data).forEach(key => {
                        this.formData[key] = data[key]
                    })
                },
                //多选框处理
                checkboxGroupChange({key, val}) {
                    this.formData[key] = val
                },
                //键盘事件 上键
                keyupShiftUp(event) {
                    _this.setKeyupData(event, 'up', keys)
                },
                //键盘事件 下键
                keyupShiftDown(event) {
                    _this.setKeyupData(event, 'down', keys)
                },
                //键盘事件 左键
                keyupShiftLeft(event) {
                    _this.setKeyupData(event, 'left', keys)
                },
                //键盘事件 右键
                keyupShiftRight(event) {
                    _this.setKeyupData(event, 'right', keys)
                },
            }
        })
        app.mount(appId)
        return app
    }

    //处理日期范围数据
    static setPickerKey(data) {
        const pickerKey = data['pickerKey'] || ''
        if (pickerKey) {
            const pickerKeys = pickerKey.split(',')
            for (let i = 0; i < pickerKeys.length; i++) {
                const val = data[pickerKeys[i]] || ''
                if (val) {
                    const dataVal = val.replace(/'/g, '"');
                    data[pickerKeys[i]] = toParse(dataVal) || []
                } else {
                    data[pickerKeys[i]] = []
                }
            }
        }
        return data
    }

    //处理日期时间框的切换事件
    static setByClassKeyup(keys) {
        try {
            let poppers = document.getElementsByClassName('hc-table-form-date-picker')
            for (let i = 0; i < poppers.length; i++) {
                let item = poppers[i], key = '';
                const ids = item.getAttribute('class').split('-form-id-')
                if (ids.length >= 1) {
                    key = ids[1]
                }
                if (ids) {
                    let panels = item.getElementsByClassName('el-picker-panel__content')
                    this.setElementsEvent(panels, key, keys)
                }
            }
        } catch (e) {
            console.log(e)
        }
    }

    //设置事件
    static setElementsEvent(elements, key, keys) {
        if (elements.length > 0) {
            const _this = this;
            elements[0].addEventListener("keydown", e => {
                e.stopPropagation()
                if (e.key === 'ArrowUp') {
                    _this.setKeyupData({target: {id: key}}, 'up', keys)
                } else if (e.key === 'ArrowDown') {
                    _this.setKeyupData({target: {id: key}}, 'down', keys)
                } else if (e.key === 'ArrowLeft') {
                    _this.setKeyupData({target: {id: key}}, 'left', keys)
                } else if (e.key === 'ArrowRight') {
                    _this.setKeyupData({target: {id: key}}, 'right', keys)
                }
            }, {
                capture: true
            });
        }
    }

    //计算上下左右快捷键的
    static setKeyupData({target}, type, keys) {
        const key = target.id
        //处理快捷键数据和事件
        if (key && type && isArray(keys)) {
            //计算当前的位置
            let left = -1, top = -1;
            for (let i = 0; i < keys.length; i++) {
                if (isArray(keys[i])) {
                    const index = keys[i].findIndex(id => id === key)
                    if (index !== -1) {
                        left = index
                        top = i
                        break;
                    }
                }
            }
            if (type === 'up') {
                //向上移动
                if (top > 0) {
                    let keyId = '';
                    const tops = keys[top - 1]
                    const keyLength = tops.length - 1;
                    if (keyLength < left) {
                        keyId = tops[keyLength]
                    } else {
                        keyId = tops[left]
                    }
                    this.setElementFocus(keyId)
                }
            } else if (type === 'down') {
                //向下移动
                const tops = keys.length - 1;
                if (tops > top) {
                    let keyId = '';
                    const tops = keys[top + 1]
                    const keyLength = tops.length - 1;
                    if (keyLength < left) {
                        keyId = tops[keyLength]
                    } else {
                        keyId = tops[left]
                    }
                    this.setElementFocus(keyId)
                }
            } else if (type === 'left') {
                //向左移动
                if (left > 0) {
                    const keyId = keys[top][left - 1]
                    this.setElementFocus(keyId)
                }
            } else if (type === 'right') {
                //向右移动
                const lefts = keys[top]
                const leftLength = lefts.length - 1;
                if (leftLength > left) {
                    const keyId = lefts[left + 1]
                    this.setElementFocus(keyId)
                }
            }
        }
    }

    //设置元素焦点
    static setElementFocus(keyId) {
        if (keyId) {
            try {
                console.log('focus', keyId)
                document.getElementById(keyId).focus();
            } catch (e) {
                console.log(e)
            }
        }
    }
}