<template>
    <div class="role-edit">
        <el-card shadow="never">
            <el-page-header :content="id ? '编辑角色' : '新增角色'" @back="$router.back()" />
        </el-card>

        <el-card shadow="never" class="m-t-15">
            <el-form
                ref="formRef"
                :rules="rules"
                class="ls-form"
                :model="formData"
                label-width="150px"
                size="small"
            >
                <!-- 名称 -->
                <el-form-item label="名称" prop="name">
                    <el-input v-model="formData.name" placeholder="请输入名称"></el-input>
                </el-form-item>
                <!-- 备注 -->
                <el-form-item label="备注" prop="remark">
                    <el-input
                        v-model="formData.remark"
                        placeholder="请输入备注"
                        type="textarea"
                        :autosize="{ minRows: 4, maxRows: 6 }"
                    ></el-input>
                </el-form-item>
                <!-- 排序 -->
                <el-form-item label="排序" prop="sort">
                    <el-input v-model="formData.sort" placeholder="请输入" type="number"></el-input>
                </el-form-item>
                <el-form-item label="状态">
                    <el-switch v-model="formData.isDisable" :active-value="0" :inactive-value="1" />
                </el-form-item>
                <!-- 权限 -->
                <el-form-item label="权限" prop="auth_keys">
                    <div class="flex" style="margin-top: 3px">
                        <el-button type="text" size="mini" @click="allSelect()"> 全选 </el-button>
                        <el-button type="text" size="mini" @click="close()"> 全不选 </el-button>
                    </div>

                    <el-tree
                        ref="treeRef"
                        :data="menu.permissionsTree"
                        node-key="id"
                        default-expand-all
                        icon="ArrowRight"
                        :props="{
                            children: 'children',
                            label: 'menuName',
                        }"
                        empty-text=""
                        show-checkbox
                        @check-change="handlePermissionsCheckChange"
                    />
                </el-form-item>
            </el-form>
        </el-card>

        <footer-btns>
            <el-button type="primary" size="small" @click="onSubmit">保存</el-button>
        </footer-btns>
    </div>
</template>

<script lang="ts">
    import { defineComponent, reactive, onMounted, Ref, ref, toRefs } from 'vue'
    import { apiConfigGetMenu, apiConfigGetAuth, apiRoleAdd, apiRoleEdit, apiRoleDetail } from '@/api/auth'
    import { ElInput, ElForm } from 'element-plus'
    import FooterBtns from '@/components/footer-btns/index.vue'
    import { useAdmin } from '@/core/hooks/app'
    import { flatten } from '@/utils/util'
    import { ElMessage } from 'element-plus'

    export default defineComponent({
        components: {
            FooterBtns,
        },
        setup() {
            const { route, router } = useAdmin()
            const formRef: Ref<typeof ElForm | null> = ref(null)
            const treeRef: Ref<typeof ElForm | null> = ref(null)
            const id: Ref<Number | null> = ref(null) // 当前编辑角色ID

            // 表单数据
            const { formData, menu } = toRefs(
                reactive({
                    formData: {
                        name: '', // 角色名称
                        remark: '', // 备注
                        menus: [], // 权限，就选中的菜单id
                        isDisable: 0,
                        sort: '',
                        menuIds: '', // 菜单ID数组,逗号隔开
                    },

                    menu: {
                        permissionsTree: [], // 菜单
                        allAuthKeys: [], // 菜单全部的id
                    },
                })
            )

            // 表单验证
            const rules = {
                name: [
                    {
                        required: true,
                        message: '请输入角色名称',
                        trigger: ['blur'],
                        pattern: /(^[^\s]*$)/, // 不能输入空格
                    },
                ],
                sort: [
                    {
                        required: true,
                        message: '请输入排序',
                        trigger: 'blur',
                        pattern: /(^[0-9]\d*$)/,
                    },
                ],
            }

            // 确定提交
            const onSubmit = () => {
                formRef.value?.validate((valid: boolean) => {
                    if (!valid) {
                        return
                    }

                    id.value ? roleEdit() : roleAdd()
                })
            }

            const getMenu = () => {
                apiConfigGetMenu()
                    .then((res: any) => {
                        // 获取菜单
                        menu.value.permissionsTree = res
                        console.log('res', res)

                        // 数组扁平化
                        const menuFlatten = flatten(res, [], 'children')
                        // console.log(menuFlatten)
                        // 获取菜单全部 id
                        menu.value.allAuthKeys = menuFlatten.map((item: any) => item.id) as never
                    })
                    .catch((err: any) => {
                        console.log('err', err)
                    })
            }

            // 添加角色
            const roleAdd = () => {
                // 选择中的权限id字符串
                formData.value.menus.length == 0
                    ? (formData.value.menuIds = '')
                    : (formData.value.menuIds = formData.value.menus.join(','))

                apiRoleAdd({ ...formData.value })
                    .then((res: any) => {
                        console.log('res', res)
                        setTimeout(() => {
                            router.back()
                        }, 500)
                        ElMessage({ type: 'success', message: '保存成功' })
                    })
                    .catch((err: any) => {
                        console.log('err', err)
                    })
            }
            // 编辑角色
            const roleEdit = () => {
                // 选择中的权限id字符串
                formData.value.menus.length == 0
                    ? (formData.value.menuIds = '')
                    : (formData.value.menuIds = formData.value.menus.join(','))

                apiRoleEdit({
                    ...formData.value,
                    id: id.value,
                })
                    .then((res: any) => {
                        console.log('res', res)
                        setTimeout(() => {
                            router.back()
                        }, 500)
                        ElMessage({ type: 'success', message: '保存成功' })
                    })
                    .catch((err: any) => {
                        console.log('err', err)
                    })
            }

            // 角色详情
            const roleDetail = () => {
                apiRoleDetail({
                    id: id.value,
                })
                    .then((res: any) => {
                        console.log('res', res)

                        formData.value = res

                        treeRef.value?.setCheckedKeys(res.menus)
                    })
                    .catch((err: any) => {
                        console.log('err', err)
                    })
            }

            // 权限树触发函数
            const handlePermissionsCheckChange = (data: any, checked: boolean) => {
                console.log(data)
                if (!data.id) {
                    return
                }
                const index = formData.value.menus.findIndex((item) => item == data.id)
                if (checked) {
                    index == -1 && (formData.value.menus as any).push(data.id)
                    return
                }

                if (index != -1) {
                    formData.value.menus.splice(index, 1)
                }
            }

            // 全选
            const allSelect = () => {
                treeRef.value?.setCheckedKeys(menu.value.allAuthKeys)
            }

            // 全不选
            const close = () => {
                treeRef.value?.setCheckedKeys([])
            }

            onMounted(() => {
                const query: any = route.query
                if (query.id) {
                    id.value = query.id * 1
                    roleDetail()
                }

                getMenu()
            })

            return {
                id,
                formData,
                menu,
                formRef,
                treeRef,
                rules,
                getMenu,
                roleAdd,
                roleEdit,
                roleDetail,
                onSubmit,
                handlePermissionsCheckChange,
                close,
                allSelect,
            }
        },
    })
</script>

<style lang="scss" scoped>
    .role-edit {
        :deep .el-textarea {
            width: 340px;
        }
    }
</style>
