'use client'

import {useCallback, useEffect, useMemo, useState} from 'react'
import {useSearchParams} from 'next/navigation'
import {useForm} from 'react-hook-form'
import {zodResolver} from '@hookform/resolvers/zod'
import zod from 'zod'
import {toast} from 'sonner'
import {useStatus} from '@/lib/states'
import {ExtraResp} from '@/lib/api'
import {listResourceLong, listResourceShort} from '@/actions/resource'
import DataTable from '@/components/data-table'
import {ColumnDef} from '@tanstack/react-table'
import {Resource} from '@/lib/models/resource'
import ResourceFilter, {ResourceFilterValues} from './filter'
import {
  ExpireBadge,
  formatDateTime,
  getTodayUsage,
  isValidResourcestatus,
  isValidResourceType,
  ResourceTypeBadge,
} from './utils'

const filterSchema = zod.object({
  resource_no: zod.string().optional().default(''),
  type: zod.enum(['expire', 'quota', 'all']).default('all'),
  status: zod.enum(['0', '1', '2']).default('1'),
  create_after: zod.date().optional(),
  create_before: zod.date().optional(),
  expire_after: zod.date().optional(),
  expire_before: zod.date().optional(),
})

interface ResourceListProps {
  resourceType: 'long' | 'short'
}

export default function ResourceList({resourceType}: ResourceListProps) {
  const isLong = resourceType === 'long'
  const [status, setStatus] = useStatus()
  const [data, setData] = useState<ExtraResp<typeof listResourceLong | typeof listResourceShort>>({
    page: 1,
    size: 10,
    total: 0,
    list: [],
  })

  // 从 URL 参数初始化筛选条件
  const params = useSearchParams()
  const paramType = params.get('type')
  const paramStatus = params.get('status')
  const form = useForm<ResourceFilterValues>({
    resolver: zodResolver(filterSchema),
    defaultValues: {
      resource_no: params.get('resource_no') || '',
      type: isValidResourceType(paramType) ? paramType : 'all',
      status: isValidResourcestatus(paramStatus) ? paramStatus : '1',
      create_after: params.get('create_after') ? new Date(params.get('create_after')!) : undefined,
      create_before: params.get('create_before') ? new Date(params.get('create_before')!) : undefined,
      expire_after: params.get('expire_after') ? new Date(params.get('expire_after')!) : undefined,
      expire_before: params.get('expire_before') ? new Date(params.get('expire_before')!) : undefined,
    },
  })

  const getValues = form.getValues

  // 查询数据
  const refresh = useCallback(async (page: number, size: number) => {
    setStatus('load')
    try {
      const type = {
        all: undefined,
        expire: 1,
        quota: 2,
      }[getValues('type')]
      const status = getValues('status')
      const create_after = getValues('create_after')
      const create_before = getValues('create_before')
      const expire_after = getValues('expire_after')
      const expire_before = getValues('expire_before')
      const resource_no = getValues('resource_no')

      const listFn = isLong ? listResourceLong : listResourceShort
      const res = await listFn({
        page,
        size,
        type,
        status: Number(status),
        create_after,
        create_before,
        expire_after,
        expire_before,
        resource_no,
      })

      if (res.success) {
        setData(res.data)
        setStatus('done')
      }
      else {
        throw new Error(`Failed to load ${resourceType} resource`)
      }
    }
    catch (e) {
      setStatus('fail')
      toast.error(e instanceof Error ? e.message : `加载${isLong ? '长' : '短'}效资源失败`)
    }
  }, [getValues, setStatus, isLong, resourceType])

  useEffect(() => {
    refresh(1, 10).then()
  }, [refresh])

  // 处理筛选提交
  const handleSubmit = async () => {
    await refresh(1, data.size)
  }

  // 处理重置
  const handleReset = () => {
    form.reset({
      type: 'all',
      status: '1',
      resource_no: '',
      create_after: undefined,
      create_before: undefined,
      expire_after: undefined,
      expire_before: undefined,
    })
  }

  // 表格列定义
  const columns = useMemo<ColumnDef<Resource<1> | Resource<2>>[]>(() => {
    const resourceKey = isLong ? 'long' : 'short'

    const baseColumns: ColumnDef<Resource<1> | Resource<2>>[] = [
      {
        header: '套餐编号',
        cell: ({row}) => {
          const expireAt = resourceKey === 'long'
            ? (row.original as Resource<2>).long.expire_at
            : (row.original as Resource<1>).short.expire_at

          return (
            <div className="flex gap-1">
              <span>{row.original.resource_no}</span>
              <ExpireBadge expireAt={expireAt}/>
            </div>
          )
        },
      },
      {
        header: '类型',
        cell: ({row}) => {
          const type = resourceKey === 'long'
            ? (row.original as Resource<2>).long.type
            : (row.original as Resource<1>).short.type
          return <ResourceTypeBadge type={type}/>
        },
      },
      {
        header: 'IP 时效',
        cell: ({row}) => {
          const live = resourceKey === 'long'
            ? (row.original as Resource<2>).long.live
            : (row.original as Resource<1>).short.live
          return <span>{isLong ? `${live}小时` : `${live}分钟`}</span>
        },
      },
      {
        header: '使用情况',
        cell: ({row}) => {
          const resource = resourceKey === 'long'
            ? (row.original as Resource<2>).long
            : (row.original as Resource<1>).short

          if (resource.type === 1) {
            const todayUsage = getTodayUsage(resource.last_at, resource.daily)
            return (
              <div className="flex gap-1">
                <span>{todayUsage}/{resource.quota}</span>
              </div>
            )
          }
          else if (resource.type === 2) {
            if (isLong) {
              return (
                <div className="flex gap-1">
                  {resource.used < resource.quota
                    ? <span className="text-green-500">正常</span>
                    : <span className="text-red-500">已用完</span>}
                  <span>|</span>
                  <span>用量统计：{resource.used} / {resource.quota}</span>
                </div>
              )
            }
            else {
              return (
                <div className="flex gap-1">
                  <span>{resource.used}/{resource.quota}</span>
                </div>
              )
            }
          }
          return <span>-</span>
        },
      },
      {
        header: '最近使用时间',
        cell: ({row}) => {
          const lastAt = resourceKey === 'long'
            ? (row.original as Resource<2>).long.last_at
            : (row.original as Resource<1>).short.last_at
          return lastAt ? formatDateTime(lastAt) : '暂未使用'
        },
      },
      {
        header: '开通时间',
        cell: ({row}) => formatDateTime(row.original.created_at),
      },
      {
        header: '状态',
        cell: ({row}) => {
          const isActive = row.original.active
          return (
            <span className={isActive ? 'text-green-500' : 'text-red-500'}>
              {isActive ? '启用' : '禁用'}
            </span>
          )
        },
      },
    ]

    // 短效资源增加到期时间列
    if (!isLong) {
      baseColumns.push({
        header: '到期时间',
        cell: ({row}) => formatDateTime((row.original as Resource<1>).short.expire_at),
      })
    }

    return baseColumns
  }, [isLong])

  return (
    <>
      {/* 操作区 */}
      <section className="flex justify-between flex-wrap">
        <div></div>
        <ResourceFilter
          form={form}
          onSubmit={handleSubmit}
          onReset={handleReset}
        />
      </section>

      {/* 数据表 */}
      <DataTable
        data={data.list}
        status={status}
        pagination={{
          total: data.total,
          page: data.page,
          size: data.size,
          onPageChange: async (page: number) => {
            await refresh(page, data.size)
          },
          onSizeChange: async (size: number) => {
            await refresh(data.page, size)
          },
        }}
        columns={columns}
      />
    </>
  )
}