import { useState } from 'react'
import { keepPreviousData, useQuery } from '@tanstack/react-query'
import {
  Alert,
  Button,
  Card,
  Select,
  Space,
  Table,
  Tag,
  Typography,
  type TableColumnsType,
} from 'antd'
import { ReloadOutlined, RightOutlined } from '@ant-design/icons'
import { Link, useNavigate } from 'react-router-dom'

import { BrandLogo } from '@/components/BrandLogo'
import { fetchMyOrders } from '@/features/orders/api'
import { handoffStatusMeta, orderStatusMeta, roleLabel } from '@/features/orders/labels'
import type { UserOrderListItem } from '@/features/orders/types'
import { useSessionStore } from '@/stores/session'
import { formatDateTime, formatMoney, formatText } from '@/shared/utils/format'

const PAGE_SIZE = 20

const statusOptions = [
  'pending_payment',
  'pending_handoff',
  'renting',
  'overdue',
  'pending_checkout_confirm',
  'pending_checkout_accept',
  'checkout_disputing',
  'disputing',
  'completed',
  'cancelled',
  'closed',
  'abnormal',
].map(value => ({ value, label: orderStatusMeta(value).label }))

function buildColumns(navigate: (id: number) => void): TableColumnsType<UserOrderListItem> {
  return [
    {
      title: '订单',
      dataIndex: 'order_no',
      width: 300,
      fixed: 'left',
      render: (_, row) => (
        <div className="pc-order-cell">
          <button type="button" className="pc-order-link" onClick={() => navigate(row.id)}>
            {row.order_no}
          </button>
          <strong>{row.title}</strong>
          <span>
            <Tag bordered={false}>{roleLabel(row.role)}</Tag>
            <span className="pc-order-muted">{row.listing_no}</span>
          </span>
        </div>
      ),
    },
    {
      title: '商品',
      key: 'listing',
      width: 220,
      render: (_, row) => (
        <div className="pc-order-cell">
          <span>{formatText(row.server_region)}</span>
          <span className="pc-order-muted">{formatText(row.login_platform)}</span>
          <span className="pc-order-muted">
            {row.rental_days ? `${row.rental_days} 天` : '按账号规则'}
          </span>
        </div>
      ),
    },
    {
      title: '金额',
      key: 'amount',
      width: 180,
      align: 'right',
      render: (_, row) => (
        <div className="pc-order-amount">
          <strong>{formatMoney(row.display_amount_cent)}</strong>
          <span>押金 {formatMoney(row.deposit_amount_cent)}</span>
          {row.deposit_waived_amount_cent > 0 ? (
            <span>减免 {formatMoney(row.deposit_waived_amount_cent)}</span>
          ) : null}
        </div>
      ),
    },
    {
      title: '状态',
      key: 'status',
      width: 190,
      render: (_, row) => (
        <Space size={4} wrap>
          <Tag color={orderStatusMeta(row.status).tone}>{orderStatusMeta(row.status).label}</Tag>
          <Tag color={handoffStatusMeta(row.handoff_status).tone} bordered={false}>
            {handoffStatusMeta(row.handoff_status).label}
          </Tag>
        </Space>
      ),
    },
    {
      title: '时间',
      key: 'time',
      width: 190,
      render: (_, row) => (
        <div className="pc-order-cell">
          <span>下单 {formatDateTime(row.created_at)}</span>
          <span className="pc-order-muted">支付截止 {formatDateTime(row.payment_deadline_at)}</span>
        </div>
      ),
    },
    {
      title: '',
      key: 'actions',
      width: 90,
      fixed: 'right',
      render: (_, row) => (
        <Button type="link" onClick={() => navigate(row.id)}>
          详情 <RightOutlined />
        </Button>
      ),
    },
  ]
}

export function OrderListPage() {
  const navigate = useNavigate()
  const token = useSessionStore(state => state.token)
  const hydrated = useSessionStore(state => state.hydrated)
  const [status, setStatus] = useState('')
  const [page, setPage] = useState(1)

  const { data, isPending, isFetching, isError, error, refetch } = useQuery({
    queryKey: ['pc-my-orders', status, page],
    queryFn: () => fetchMyOrders(page, PAGE_SIZE, status),
    placeholderData: keepPreviousData,
    enabled: Boolean(token),
  })

  const columns = buildColumns(id => navigate(`/orders/${id}`))
  const errorText = error instanceof Error ? error.message : '请稍后重试或重新登录。'

  if (!hydrated) {
    return (
      <div className="pc-orders-page">
        <Card loading />
      </div>
    )
  }

  if (!token) {
    return (
      <div className="pc-orders-page">
        <Card className="pc-orders-login">
          <BrandLogo height={48} variant="seal" />
          <Typography.Title level={3}>登录后查看我的订单</Typography.Title>
          <Typography.Paragraph type="secondary">
            订单、押金、交接与结账记录只对交易双方可见。
          </Typography.Paragraph>
          <Button
            type="primary"
            size="large"
            onClick={() => navigate('/login?redirect=/orders')}
          >
            去登录
          </Button>
        </Card>
      </div>
    )
  }

  return (
    <div className="pc-orders-page">
      <header className="pc-orders-page__head">
        <div>
          <span className="pc-orders-page__eyebrow">MY ORDERS</span>
          <Typography.Title level={2} className="brand-title">
            我的订单
          </Typography.Title>
          <Typography.Text type="secondary">
            查看租用进度、支付、交接、结账与申诉记录。
          </Typography.Text>
        </div>
        <Space>
          <Select
            allowClear
            style={{ width: 190 }}
            value={status || undefined}
            placeholder="全部状态"
            options={statusOptions}
            onChange={value => {
              setStatus(value ?? '')
              setPage(1)
            }}
          />
          <Button icon={<ReloadOutlined />} onClick={() => void refetch()} loading={isFetching}>
            刷新
          </Button>
        </Space>
      </header>

      {isError ? (
        <Alert
          type="error"
          showIcon
          className="pc-orders-page__alert"
          message="订单没有加载出来"
          description={errorText}
          action={
            <Button size="small" onClick={() => void refetch()}>
              重试
            </Button>
          }
        />
      ) : null}

      <Card className="pc-orders-card">
        <Table<UserOrderListItem>
          rowKey="id"
          columns={columns}
          dataSource={data?.items ?? []}
          loading={isPending || isFetching}
          scroll={{ x: 'max-content' }}
          pagination={{
            current: data?.page ?? page,
            pageSize: data?.page_size ?? PAGE_SIZE,
            total: data?.total ?? 0,
            showSizeChanger: false,
            showTotal: (count, range) => `第 ${range[0]}-${range[1]} 条 / 共 ${count} 条`,
            onChange: next => setPage(next),
          }}
          locale={{
            emptyText: (
              <div className="pc-orders-empty">
                <p>还没有订单</p>
                <Link to="/#listings">去看看柜选</Link>
              </div>
            ),
          }}
        />
      </Card>
    </div>
  )
}