<script lang="ts" setup>
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import type { GroupMemberLite } from './group-member.vue'
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import { ref } from 'vue'
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import { Button, message, Modal } from 'ant-design-vue'
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import { addGroupAdmin, removeGroupAdmin } from '#/api/im/group'
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import { GROUP_ADMIN_MAX_COUNT } from '#/views/im/utils/config'
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import { GroupMemberPickerPanel } from '../picker'
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defineOptions({ name: 'ImGroupAdminSetDialog' })
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const emit = defineEmits<{
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/** 管理员变更成功；父侧通常用来 reload 群数据 */
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reload: []
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}>()
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const visible = ref(false)
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const submitting = ref(false)
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const groupId = ref(0)
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const members = ref<GroupMemberLite[]>([])
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const currentAdminIds = ref<number[]>([]) // 当前管理员 userId 列表：默认勾选 + 提交时 diff
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const hideIds = ref<number[]>([])
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const maxSize = ref(GROUP_ADMIN_MAX_COUNT)
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const selectedIds = ref<number[]>([])
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defineExpose({
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/** 打开设置管理员弹窗：reset → 灌参 → visible=true */
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open(opts: {
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/** 当前管理员 userId 列表（默认勾选） */
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currentAdminIds: number[]
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groupId: number
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/** 隐藏 userId（群主） */
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hideIds?: number[]
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/** 已选数上限；不传走 GROUP_ADMIN_MAX_COUNT */
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maxSize?: number
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members: GroupMemberLite[]
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}) {
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groupId.value = opts.groupId
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members.value = opts.members
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currentAdminIds.value = [...opts.currentAdminIds]
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hideIds.value = opts.hideIds ? [...opts.hideIds] : []
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maxSize.value = opts.maxSize ?? GROUP_ADMIN_MAX_COUNT
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selectedIds.value = [...opts.currentAdminIds]
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submitting.value = false
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visible.value = true
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}
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})
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/** 跟当前管理员列表做差集，分别拿到要新增 / 撤销的 userId */
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async function handleOk() {
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if (!groupId.value) {
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return
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}
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const previousIds = currentAdminIds.value
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const previousIdSet = new Set(previousIds)
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const nextIds = selectedIds.value
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const nextIdSet = new Set(nextIds)
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const addedIds = nextIds.filter((id) => !previousIdSet.has(id))
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const removedIds = previousIds.filter((id) => !nextIdSet.has(id))
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if (addedIds.length === 0 && removedIds.length === 0) {
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visible.value = false
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return
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}
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submitting.value = true
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try {
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if (addedIds.length > 0) {
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await addGroupAdmin({ id: groupId.value, userIds: addedIds })
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}
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if (removedIds.length > 0) {
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await removeGroupAdmin({ id: groupId.value, userIds: removedIds })
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}
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message.success(`已更新群管理员（新增 ${addedIds.length} 位，撤销 ${removedIds.length} 位）`)
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emit('reload')
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visible.value = false
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} finally {
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submitting.value = false
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}
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}
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</script>
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<template>
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<!--
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设置群管理员：一个弹窗合并增 / 删，提交时跟当前管理员列表 diff
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- dialog 壳本组件持有；选择 UI 委托 GroupMemberPickerPanel（grid 形态对齐当前视觉）
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- 群主从候选里隐藏（不能设为管理员）
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- 对外接口：ref + open({ groupId, members, currentAdminIds, hideIds, maxSize }) + emit reload()
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-->
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<Modal
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v-model:open="visible"
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title="设置群管理员"
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width="700px"
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:mask-closable="false"
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class="im-picker-dialog"
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>
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<div class="h-[480px]">
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<GroupMemberPickerPanel
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v-model:selected-ids="selectedIds"
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:members="members"
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:hide-ids="hideIds"
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:max-size="maxSize"
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selected-display="grid"
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/>
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</div>
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<template #footer>
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<Button @click="visible = false">取消</Button>
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<Button type="primary" :loading="submitting" @click="handleOk">确定</Button>
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</template>
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</Modal>
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</template>
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<style scoped lang="scss">
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@use '../picker/picker-dialog' as picker;
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/* :deep 穿透 el-dialog 内部类；复用 picker 公共 mixin */
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.im-picker-dialog {
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@include picker.styles;
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}
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</style>
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