import type { FormEvent, ReactNode } from 'react';
import { CreditCard, KeyRound, ListChecks, UserRound } from 'lucide-react';
import type { ConsoleData } from '../app-state';
import { EntityTable } from '../components/EntityTable';
import { PageHeader } from '../components/PageHeader';
import { Badge, Button, Card, CardContent, CardHeader, CardTitle, Input, Label, Tabs } from '../components/ui';
import type { ApiKeyForm, LoadState, WorkspaceSection } from '../types';

const tabs = [
  { value: 'overview', label: '个人总览', icon: <UserRound size={15} /> },
  { value: 'billing', label: '余额充值', icon: <CreditCard size={15} /> },
  { value: 'apiKeys', label: 'API Key', icon: <KeyRound size={15} /> },
  { value: 'tasks', label: '任务记录', icon: <ListChecks size={15} /> },
] satisfies Array<{ value: WorkspaceSection; label: string; icon: ReactNode }>;

export function WorkspacePage(props: {
  apiKeyForm: ApiKeyForm;
  apiKeySecret: string;
  data: ConsoleData;
  section: WorkspaceSection;
  state: LoadState;
  onApiKeyFormChange: (value: ApiKeyForm) => void;
  onSectionChange: (value: WorkspaceSection) => void;
  onSubmitApiKey: (event: FormEvent<HTMLFormElement>) => void;
}) {
  return (
    <div className="pageStack">
      <PageHeader eyebrow="Workspace" title="用户工作台" description="个人资产、API Key 和任务记录。" />
      <div className="subPageLayout">
        <Tabs className="sideTabs" value={props.section} tabs={tabs} onValueChange={props.onSectionChange} />
        <div className="subPageContent">
          {props.section === 'overview' && <WorkspaceOverview data={props.data} />}
          {props.section === 'billing' && <BillingPanel />}
          {props.section === 'apiKeys' && <ApiKeyPanel {...props} />}
          {props.section === 'tasks' && <TaskPanel data={props.data} />}
        </div>
      </div>
    </div>
  );
}

function WorkspaceOverview(props: { data: ConsoleData }) {
  const owner = props.data.users[0];
  return (
    <section className="contentGrid two">
      <Card>
        <CardHeader>
          <CardTitle>个人中心总览</CardTitle>
        </CardHeader>
        <CardContent className="profileGrid">
          <InfoItem label="账号" value={owner?.username ?? '-'} />
          <InfoItem label="租户" value={owner?.tenantKey ?? 'default'} />
          <InfoItem label="身份源" value={owner?.source ?? 'gateway'} />
          <InfoItem label="API Key" value={String(props.data.apiKeys.length)} />
        </CardContent>
      </Card>
      <Card>
        <CardHeader>
          <CardTitle>用户组策略</CardTitle>
        </CardHeader>
        <CardContent>
          <EntityTable
            columns={['用户组', '优先级', '状态', '来源']}
            empty="暂无用户组"
            rows={props.data.userGroups.map((item) => [item.groupKey, item.priority, item.status, item.source])}
          />
        </CardContent>
      </Card>
    </section>
  );
}

function BillingPanel() {
  return (
    <section className="contentGrid two">
      <Card>
        <CardHeader>
          <CardTitle>余额</CardTitle>
        </CardHeader>
        <CardContent className="balanceCard">
          <span>resource</span>
          <strong>0.00</strong>
          <Badge variant="secondary">local</Badge>
        </CardContent>
      </Card>
      <Card>
        <CardHeader>
          <CardTitle>充值</CardTitle>
        </CardHeader>
        <CardContent className="formGrid">
          <Label>
            金额
            <Input value="100" readOnly />
          </Label>
          <Button type="button" variant="secondary">创建充值订单</Button>
        </CardContent>
      </Card>
    </section>
  );
}

function ApiKeyPanel(props: {
  apiKeyForm: ApiKeyForm;
  apiKeySecret: string;
  data: ConsoleData;
  state: LoadState;
  onApiKeyFormChange: (value: ApiKeyForm) => void;
  onSubmitApiKey: (event: FormEvent<HTMLFormElement>) => void;
}) {
  return (
    <section className="contentGrid two">
      <Card>
        <CardHeader>
          <CardTitle>创建 API Key</CardTitle>
        </CardHeader>
        <CardContent>
          <form className="formGrid" onSubmit={props.onSubmitApiKey}>
            <Label>
              名称
              <Input value={props.apiKeyForm.name} onChange={(event) => props.onApiKeyFormChange({ name: event.target.value })} />
            </Label>
            <Button type="submit" disabled={props.state === 'loading'}>
              <KeyRound size={15} />
              创建
            </Button>
            {props.apiKeySecret && <code className="secretBox">{props.apiKeySecret}</code>}
          </form>
        </CardContent>
      </Card>
      <Card>
        <CardHeader>
          <CardTitle>API Key 列表</CardTitle>
        </CardHeader>
        <CardContent>
          <EntityTable
            columns={['名称', '前缀', '状态', '创建时间']}
            empty="暂无 API Key"
            rows={props.data.apiKeys.map((item) => [item.name, item.keyPrefix, item.status, new Date(item.createdAt).toLocaleString()])}
          />
        </CardContent>
      </Card>
    </section>
  );
}

function TaskPanel(props: { data: ConsoleData }) {
  const task = props.data.taskResult;
  return (
    <Card>
      <CardHeader>
        <CardTitle>任务记录</CardTitle>
      </CardHeader>
      <CardContent>
        {task ? (
          <div className="taskPreview">
            <Badge variant={task.status === 'succeeded' ? 'success' : 'secondary'}>{task.status}</Badge>
            <strong>{task.kind}</strong>
            <span>{task.model}</span>
            <pre>{JSON.stringify(task.result ?? {}, null, 2)}</pre>
          </div>
        ) : (
          <div className="emptyState">
            <strong>暂无任务</strong>
          </div>
        )}
      </CardContent>
    </Card>
  );
}

function InfoItem(props: { label: string; value: string }) {
  return (
    <div className="infoItem">
      <span>{props.label}</span>
      <strong>{props.value}</strong>
    </div>
  );
}