<template>
    <div>
        <el-tabs type="border-card">
            <el-tab-pane label="秒">
                <CrontabSecond @update="updateContabValue" :check="checkNumber" ref="cronsecond"/>
            </el-tab-pane>

            <el-tab-pane label="分钟">
                <CrontabMin
                    @update="updateContabValue"
                    :check="checkNumber"
                    :cron="contabValueObj"
                    ref="cronmin"
                />
            </el-tab-pane>

            <el-tab-pane label="小时">
                <CrontabHour
                    @update="updateContabValue"
                    :check="checkNumber"
                    :cron="contabValueObj"
                    ref="cronhour"
                />
            </el-tab-pane>

            <el-tab-pane label="日">
                <CrontabDay
                    @update="updateContabValue"
                    :check="checkNumber"
                    :cron="contabValueObj"
                    ref="cronday"
                />
            </el-tab-pane>

            <el-tab-pane label="月">
                <CrontabMouth
                    @update="updateContabValue"
                    :check="checkNumber"
                    :cron="contabValueObj"
                    ref="cronmouth"
                />
            </el-tab-pane>

            <el-tab-pane label="周">
                <CrontabWeek
                    @update="updateContabValue"
                    :check="checkNumber"
                    :cron="contabValueObj"
                    ref="cronweek"
                />
            </el-tab-pane>

            <el-tab-pane label="年">
                <CrontabYear
                    @update="updateContabValue"
                    :check="checkNumber"
                    :cron="contabValueObj"
                    ref="cronyear"
                />
            </el-tab-pane>
        </el-tabs>

        <div class="popup-main">
            <div class="popup-result">
                <p class="title">时间表达式</p>
                <table>
                    <thead>
                        <th v-for="item of tabTitles" width="40" :key="item">{{item}}</th>
                        <th>crontab完整表达式</th>
                    </thead>
                    <tbody>
                        <td>
                            <span>{{contabValueObj.second}}</span>
                        </td>
                        <td>
                            <span>{{contabValueObj.min}}</span>
                        </td>
                        <td>
                            <span>{{contabValueObj.hour}}</span>
                        </td>
                        <td>
                            <span>{{contabValueObj.day}}</span>
                        </td>
                        <td>
                            <span>{{contabValueObj.mouth}}</span>
                        </td>
                        <td>
                            <span>{{contabValueObj.week}}</span>
                        </td>
                        <td>
                            <span>{{contabValueObj.year}}</span>
                        </td>
                        <td>
                            <span>{{contabValueString}}</span>
                        </td>
                    </tbody>
                </table>
            </div>
            <CrontabResult :ex="contabValueString"></CrontabResult>

            <div class="pop_btn">
                <el-button size="small" type="primary" @click="submitFill">确定</el-button>
                <el-button size="small" type="warning" @click="clearCron">重置</el-button>
                <el-button size="small" @click="hidePopup">取消</el-button>
            </div>
        </div>
    </div>
</template>

<script>
import CrontabSecond from "./Crontab-Second.vue";
import CrontabMin from "./Crontab-Min.vue";
import CrontabHour from "./Crontab-Hour.vue";
import CrontabDay from "./Crontab-Day.vue";
import CrontabMouth from "./Crontab-Mouth.vue";
import CrontabWeek from "./Crontab-Week.vue";
import CrontabYear from "./Crontab-Year.vue";
import CrontabResult from "./Crontab-Result.vue";

export default {
    data() {
        return {
            tabTitles: ["秒", "分钟", "小时", "日", "月", "周", "年"],
            tabActive: 0,
            myindex: 0,
            contabValueObj: {
                second: "*",
                min: "*",
                hour: "*",
                day: "*",
                mouth: "*",
                week: "?",
                year: ""
            }
        };
    },
    name: "vcrontab",
    props: ["expression"],
    methods: {
        resolveExp() {
            //反解析 表达式
            "准备反解析", this.expression;
            if (this.expression) {
                let arr = this.expression.split(" ");
                arr;
                if (arr.length >= 6) {
                    //6 位以上是合法表达式
                    let obj = {
                        second: arr[0],
                        min: arr[1],
                        hour: arr[2],
                        day: arr[3],
                        mouth: arr[4],
                        week: arr[5],
                        year: arr[6] ? arr[6] : ""
                    };
                    for (let i in obj) {
                        if (obj[i]) this.changeRadio(i, obj[i]);
                    }
                }
            } else {
                //没有传入的表达式 则还原
                this.clearCron();
            }
        },
        // tab切换值
        tabCheck(index) {
            this.tabActive = index;
        },
        // 由子组件触发，更改表达式组成的字段值
        updateContabValue(name, value, from) {
            "updateContabValue", name, value, from;
            this.contabValueObj[name] = value;
            if (from && from !== name) {
                `来自组件 ${from} 改变了 ${name} ${value}`;
                this.changeRadio(name, value);
            }
        },
        //赋值到组件
        changeRadio(name, value) {
            let arr = ["second", "min", "hour", "mouth"],
                refName = "cron" + name,
                insVlaue;

            if (arr.includes(name)) {
                if (value === "*") {
                    insVlaue = 1;
                } else if (value.indexOf("-") > -1) {
                    let indexArr = value.split("-");
                    isNaN(indexArr[0])
                        ? (this.$refs[refName].cycle01 = 0)
                        : (this.$refs[refName].cycle01 = indexArr[0]);
                    this.$refs[refName].cycle02 = indexArr[1];
                    insVlaue = 2;
                } else if (value.indexOf("/") > -1) {
                    let indexArr = value.split("/");
                    isNaN(indexArr[0])
                        ? (this.$refs[refName].average01 = 0)
                        : (this.$refs[refName].average01 = indexArr[0]);
                    this.$refs[refName].average02 = indexArr[1];
                    insVlaue = 3;
                } else {
                    insVlaue = 4;
                    this.$refs[refName].checkboxList = value.split(",");
                }
            } else if (name == "day") {
                if (value === "*") {
                    insVlaue = 1;
                } else if (value == "?") {
                    insVlaue = 2;
                } else if (value.indexOf("-") > -1) {
                    let indexArr = value.split("-");
                    isNaN(indexArr[0])
                        ? (this.$refs[refName].cycle01 = 0)
                        : (this.$refs[refName].cycle01 = indexArr[0]);
                    this.$refs[refName].cycle02 = indexArr[1];
                    insVlaue = 3;
                } else if (value.indexOf("/") > -1) {
                    let indexArr = value.split("/");
                    isNaN(indexArr[0])
                        ? (this.$refs[refName].average01 = 0)
                        : (this.$refs[refName].average01 = indexArr[0]);
                    this.$refs[refName].average02 = indexArr[1];
                    insVlaue = 4;
                } else if (value.indexOf("W") > -1) {
                    let indexArr = value.split("W");
                    isNaN(indexArr[0])
                        ? (this.$refs[refName].workday = 0)
                        : (this.$refs[refName].workday = indexArr[0]);
                    insVlaue = 5;
                } else if (value === "L") {
                    insVlaue = 6;
                } else {
                    this.$refs[refName].checkboxList = value.split(",");
                    insVlaue = 7;
                }
            } else if (name == "week") {
                if (value === "*") {
                    insVlaue = 1;
                } else if (value == "?") {
                    insVlaue = 2;
                } else if (value.indexOf("-") > -1) {
                    let indexArr = value.split("-");
                    isNaN(indexArr[0])
                        ? (this.$refs[refName].cycle01 = 0)
                        : (this.$refs[refName].cycle01 = indexArr[0]);
                    this.$refs[refName].cycle02 = indexArr[1];
                    insVlaue = 3;
                } else if (value.indexOf("#") > -1) {
                    let indexArr = value.split("#");
                    isNaN(indexArr[0])
                        ? (this.$refs[refName].average01 = 1)
                        : (this.$refs[refName].average01 = indexArr[0]);
                    this.$refs[refName].average02 = indexArr[1];
                    insVlaue = 4;
                } else if (value.indexOf("L") > -1) {
                    let indexArr = value.split("L");
                    isNaN(indexArr[0])
                        ? (this.$refs[refName].weekday = 1)
                        : (this.$refs[refName].weekday = indexArr[0]);
                    insVlaue = 5;
                } else {
                    this.$refs[refName].checkboxList = value.split(",");
                    insVlaue = 7;
                }
            } else if (name == "year") {
                if (value == "") {
                    insVlaue = 1;
                } else if (value == "*") {
                    insVlaue = 2;
                } else if (value.indexOf("-") > -1) {
                    insVlaue = 3;
                } else if (value.indexOf("/") > -1) {
                    insVlaue = 4;
                } else {
                    this.$refs[refName].checkboxList = value.split(",");
                    insVlaue = 5;
                }
            }
            this.$refs[refName].radioValue = insVlaue;
        },
        // 表单选项的子组件校验数字格式（通过-props传递）
        checkNumber(value, minLimit, maxLimit) {
            //检查必须为整数
            value = Math.floor(value);
            if (value < minLimit) {
                value = minLimit;
            } else if (value > maxLimit) {
                value = maxLimit;
            }
            return value;
        },
        // 隐藏弹窗
        hidePopup() {
            this.$emit("hide");
        },
        // 填充表达式
        submitFill() {
            this.$emit("fill", this.contabValueString);
            this.hidePopup();
        },
        clearCron() {
            // 还原选择项
            ("准备还原");
            this.contabValueObj = {
                second: "*",
                min: "*",
                hour: "*",
                day: "*",
                mouth: "*",
                week: "?",
                year: ""
            };
            for (let j in this.contabValueObj) {
                this.changeRadio(j, this.contabValueObj[j]);
            }
        }
    },
    computed: {
        contabValueString: function() {
            let obj = this.contabValueObj;
            let str =
                obj.second +
                " " +
                obj.min +
                " " +
                obj.hour +
                " " +
                obj.day +
                " " +
                obj.mouth +
                " " +
                obj.week +
                (obj.year == "" ? "" : " " + obj.year);
            return str;
        }
    },
    components: {
        CrontabSecond,
        CrontabMin,
        CrontabHour,
        CrontabDay,
        CrontabMouth,
        CrontabWeek,
        CrontabYear,
        CrontabResult
    },
    watch: {
        expression: "resolveExp"
    },
    mounted: function() {
        this.resolveExp();
    }
};
</script>
<style scoped>
.pop_btn {
    text-align: center;
    margin-top: 20px;
}
.popup-main {
    position: relative;
    margin: 10px auto;
    background: #fff;
    border-radius: 5px;
    font-size: 12px;
    overflow: hidden;
}
.popup-title {
    overflow: hidden;
    line-height: 34px;
    padding-top: 6px;
    background: #f2f2f2;
}
.popup-result {
    box-sizing: border-box;
    line-height: 24px;
    margin: 25px auto;
    padding: 15px 10px 10px;
    border: 1px solid #ccc;
    position: relative;
}
.popup-result .title {
    position: absolute;
    top: -28px;
    left: 50%;
    width: 140px;
    font-size: 14px;
    margin-left: -70px;
    text-align: center;
    line-height: 30px;
    background: #fff;
}
.popup-result table {
    text-align: center;
    width: 100%;
    margin: 0 auto;
}
.popup-result table span {
    display: block;
    width: 100%;
    font-family: arial;
    line-height: 30px;
    height: 30px;
    white-space: nowrap;
    overflow: hidden;
    border: 1px solid #e8e8e8;
}
.popup-result-scroll {
    font-size: 12px;
    line-height: 24px;
    height: 10em;
    overflow-y: auto;
}
</style>
