<template>
	<Dialog>
		<DialogContent class="sm:max-w-[500px]">
			<DialogHeader>
				<DialogTitle>编辑DNS记录</DialogTitle>
				<DialogDescription>
					编辑域名 {{ domainDoc?.domain }} 的DNS解析记录
				</DialogDescription>
			</DialogHeader>

			<form @submit.prevent="submitForm" class="space-y-4">
				<!-- 记录类型 -->
				<div class="space-y-2">
					<Label for="record-type">记录类型</Label>
					<Select v-model="form.record_type" required>
						<SelectTrigger>
							<SelectValue placeholder="选择记录类型" />
						</SelectTrigger>
						<SelectContent>
							<SelectItem value="A">A - IPv4地址</SelectItem>
							<SelectItem value="AAAA">AAAA - IPv6地址</SelectItem>
							<SelectItem value="CNAME">CNAME - 别名</SelectItem>
							<SelectItem value="MX">MX - 邮件交换</SelectItem>
							<SelectItem value="TXT">TXT - 文本记录</SelectItem>
							<SelectItem value="NS">NS - 域名服务器</SelectItem>
						</SelectContent>
					</Select>
				</div>

				<!-- 主机记录 -->
				<div class="space-y-2">
					<Label for="host">主机记录</Label>
					<Input 
						id="host"
						v-model="form.host"
						placeholder="例如: www 或 @ (留空表示根域名)"
						required
					/>
					<p class="text-xs text-gray-500">
						@ 表示根域名，www 表示 www.yourdomain.com
					</p>
				</div>

				<!-- 记录值 -->
				<div class="space-y-2">
					<Label for="value">记录值</Label>
					<Input 
						id="value"
						v-model="form.value"
						:placeholder="getValuePlaceholder()"
						required
					/>
					<p class="text-xs text-gray-500">
						{{ getValueDescription() }}
					</p>
				</div>

				<!-- TTL -->
				<div class="space-y-2">
					<Label for="ttl">TTL (秒)</Label>
					<Input 
						id="ttl"
						v-model.number="form.ttl"
						type="number"
						min="60"
						max="86400"
						placeholder="600"
					/>
					<p class="text-xs text-gray-500">
						建议值：600秒 (10分钟) 到 86400秒 (24小时)
					</p>
				</div>

				<!-- MX优先级 (仅MX记录显示) -->
				<div v-if="form.record_type === 'MX'" class="space-y-2">
					<Label for="mx-priority">MX优先级</Label>
					<Input 
						id="mx-priority"
						v-model.number="form.mx_priority"
						type="number"
						min="0"
						max="65535"
						placeholder="10"
					/>
					<p class="text-xs text-gray-500">
						数值越小优先级越高，建议值：10
					</p>
				</div>
			</form>

			<DialogFooter>
				<Button @click="$emit('close')" variant="outline">
					取消
				</Button>
				<Button @click="submitForm" :loading="loading" variant="solid">
					保存修改
				</Button>
			</DialogFooter>
		</DialogContent>
	</Dialog>
</template>

<script>
import { 
	Dialog, 
	DialogContent, 
	DialogHeader, 
	DialogTitle, 
	DialogDescription, 
	DialogFooter,
	Button,
	Input,
	Label,
	Select,
	SelectContent,
	SelectItem,
	SelectTrigger,
	SelectValue,
	createResource
} from 'jingrow-ui';
import { toast } from 'vue-sonner';
import { getToastErrorMessage } from '../utils/toast';

export default {
	name: 'JsiteDomainEditDNSRecordDialog',
	props: ['domain', 'domainDoc', 'record', 'onSuccess'],
	emits: ['close'],
	data() {
		return {
			loading: false,
			form: {
				record_type: 'A',
				host: '',
				value: '',
				ttl: 600,
				mx_priority: 10
			}
		};
	},
	methods: {
		// 初始化表单数据
		initForm() {
			if (this.record) {
				this.form = {
					record_type: this.record.type || 'A',
					host: this.record.item || this.record.host || '',
					value: this.record.value || '',
					ttl: this.record.ttl || 600,
					mx_priority: this.record.level || this.record.mx_priority || 10
				};
			}
		},

		// 获取记录值占位符
		getValuePlaceholder() {
			const placeholders = {
				'A': '例如: 192.168.1.1',
				'AAAA': '例如: 2001:db8::1',
				'CNAME': '例如: example.com',
				'MX': '例如: mail.example.com',
				'TXT': '例如: 验证字符串',
				'NS': '例如: ns1.example.com'
			};
			return placeholders[this.form.record_type] || '';
		},

		// 获取记录值描述
		getValueDescription() {
			const descriptions = {
				'A': '输入IPv4地址，如：192.168.1.1',
				'AAAA': '输入IPv6地址，如：2001:db8::1',
				'CNAME': '输入目标域名，如：example.com',
				'MX': '输入邮件服务器域名，如：mail.example.com',
				'TXT': '输入文本内容，常用于域名验证',
				'NS': '输入域名服务器地址，如：ns1.example.com'
			};
			return descriptions[this.form.record_type] || '';
		},

		// 验证表单
		validateForm() {
			if (!this.form.record_type) {
				toast.error('请选择记录类型');
				return false;
			}
			if (!this.form.value) {
				toast.error('请输入记录值');
				return false;
			}
			if (this.form.ttl < 60 || this.form.ttl > 86400) {
				toast.error('TTL值必须在60-86400秒之间');
				return false;
			}
			if (this.form.record_type === 'MX' && (this.form.mx_priority < 0 || this.form.mx_priority > 65535)) {
				toast.error('MX优先级必须在0-65535之间');
				return false;
			}
			return true;
		},

		// 提交表单
		async submitForm() {
			if (!this.validateForm()) {
				return;
			}

			this.loading = true;

			try {
				// 构建记录数据
				const recordData = {
					id: this.record.id,
					type: this.form.record_type,
					host: this.form.host || '@',
					value: this.form.value,
					ttl: this.form.ttl
				};

				// 如果是MX记录，添加优先级
				if (this.form.record_type === 'MX') {
					recordData.level = this.form.mx_priority;
				}

				const request = createResource({
					url: 'jcloud.api.domain_west.west_domain_modify_dns',
					params: {
						domain: this.domainDoc.domain,
						records: [recordData]
					},
					onSuccess: (response) => {
						this.loading = false;
						if (response.status === 'success') {
							toast.success('DNS记录更新成功');
							this.$emit('close');
							if (this.onSuccess) {
								this.onSuccess();
							}
						} else {
							toast.error(response.message || '更新DNS记录失败');
						}
					},
					onError: (error) => {
						this.loading = false;
						toast.error(getToastErrorMessage(error));
					}
				});
				request.submit();
			} catch (error) {
				this.loading = false;
				toast.error('更新DNS记录失败');
				console.error('更新DNS记录失败:', error);
			}
		}
	},
	mounted() {
		this.initForm();
	}
};
</script>