'use client'
import type { FC } from 'react'
import { useState } from 'react'
import {
  RiAddLine,
  RiCalendarScheduleLine,
  RiDeleteBinLine,
  RiRefreshLine,
} from '@remixicon/react'
import Modal from '@/app/components/base/modal'
import Button from '@/app/components/base/button'
import { ScheduleStatus } from '@/models/document-schedule'
import type { Schedule } from '@/models/document-schedule'
import {
  useCancelSchedule,
  useDocumentSchedules,
  useScheduleListKey,
} from '@/service/knowledge/use-document-schedule'
import { useToastContext } from '@/app/components/base/toast'
import { useQueryClient } from '@tanstack/react-query'
import Loading from '@/app/components/base/loading'
import Confirm from '@/app/components/base/confirm'

type ScheduleListProps = {
  isOpen: boolean
  onClose: () => void
  datasetId: string
  documentId: string
  documentName: string
  onCreateNew?: () => void
}

const ScheduleList: FC<ScheduleListProps> = ({
  isOpen,
  onClose,
  datasetId,
  documentId,
  documentName,
  onCreateNew,
}) => {
  const { notify } = useToastContext()
  const queryClient = useQueryClient()

  const [includeCompleted, setIncludeCompleted] = useState(false)
  const [cancelScheduleId, setCancelScheduleId] = useState<string | null>(null)

  const { data, isLoading, refetch } = useDocumentSchedules(
    datasetId,
    documentId,
    includeCompleted,
  )

  const { mutateAsync: cancelSchedule, isPending: isCancelling } = useCancelSchedule()

  const handleCancelSchedule = async () => {
    if (!cancelScheduleId)
      return

    try {
      await cancelSchedule({
        datasetId,
        documentId,
        scheduleId: cancelScheduleId,
      })

      notify({
        type: 'success',
        message: '定时任务取消成功',
      })

      // Invalidate schedules query
      queryClient.invalidateQueries({
        queryKey: useScheduleListKey(datasetId, documentId),
      })

      setCancelScheduleId(null)
    }
    catch (error: any) {
      notify({
        type: 'error',
        message: error.message || '定时任务取消失败',
      })
    }
  }

  const getStatusBadge = (status: ScheduleStatus) => {
    const statusConfig = {
      [ScheduleStatus.PENDING]: {
        bg: 'bg-util-colors-blue-blue-100',
        text: 'text-util-colors-blue-blue-600',
        label: '待执行',
      },
      [ScheduleStatus.EXECUTING]: {
        bg: 'bg-util-colors-purple-purple-100',
        text: 'text-util-colors-purple-purple-600',
        label: '执行中',
      },
      [ScheduleStatus.COMPLETED]: {
        bg: 'bg-util-colors-teal-teal-100',
        text: 'text-util-colors-teal-teal-600',
        label: '已完成',
      },
      [ScheduleStatus.CANCELLED]: {
        bg: 'bg-util-colors-gray-gray-100',
        text: 'text-util-colors-gray-gray-600',
        label: '已取消',
      },
      [ScheduleStatus.FAILED]: {
        bg: 'bg-util-colors-red-red-100',
        text: 'text-util-colors-red-red-600',
        label: '失败',
      },
    }

    const config = statusConfig[status]
    return (
      <span className={`inline-flex items-center px-2 py-0.5 rounded-md text-xs font-medium ${config.bg} ${config.text}`}>
        {config.label}
      </span>
    )
  }

  const getActionBadge = (action: string) => {
    const actionConfig: Record<string, { color: string; label: string }> = {
      enable: { color: 'text-text-accent', label: '启用' },
      disable: { color: 'text-text-warning', label: '禁用' },
      archive: { color: 'text-text-tertiary', label: '归档' },
    }

    const config = actionConfig[action] || actionConfig.enable
    return (
      <span className={`font-medium ${config.color}`}>
        {config.label}
      </span>
    )
  }

  const schedules = data?.schedules || []
  const hasSchedules = schedules.length > 0

  return (
    <>
      <Modal
        isShow={isOpen}
        onClose={onClose}
        title={
          <div className="flex items-center gap-2">
            <RiCalendarScheduleLine className="w-5 h-5" />
            <span>定时任务列表</span>
          </div>
        }
        className="!w-[720px] !max-w-[90vw]"
      >
        <div className="py-4">
          {/* Document Name */}
          <div className="mb-4">
            <div className="text-sm text-text-tertiary">
              文档: <span className="text-text-secondary font-medium">{documentName}</span>
            </div>
          </div>

          {/* Toolbar */}
          <div className="flex items-center justify-between mb-4">
            <label className="flex items-center gap-2 text-sm text-text-secondary cursor-pointer">
              <input
                type="checkbox"
                checked={includeCompleted}
                onChange={e => setIncludeCompleted(e.target.checked)}
                className="w-4 h-4 rounded border-components-checkbox-border text-components-checkbox-bg-checked focus:ring-2 focus:ring-components-checkbox-border-checked"
              />
              显示已完成的任务
            </label>

            <div className="flex items-center gap-2">
              {onCreateNew && (
                <Button
                  size="small"
                  onClick={onCreateNew}
                  className="gap-1"
                  variant="primary"
                >
                  <RiAddLine className="w-4 h-4" />
                  创建定时任务
                </Button>
              )}
              <Button
                size="small"
                onClick={() => refetch()}
                className="gap-1"
              >
                <RiRefreshLine className="w-4 h-4" />
                刷新
              </Button>
            </div>
          </div>

          {/* Schedule List */}
          <div className="border border-divider-subtle rounded-lg overflow-hidden">
            {isLoading
              ? (
                  <div className="flex items-center justify-center py-12">
                    <Loading type="area" />
                  </div>
                )
              : !hasSchedules
                ? (
                    <div className="text-center py-12 text-text-quaternary">
                      <RiCalendarScheduleLine className="w-12 h-12 mx-auto mb-3 opacity-50" />
                      <div className="text-sm">暂无定时任务</div>
                      {onCreateNew && (
                        <Button
                          size="small"
                          onClick={onCreateNew}
                          className="mt-4"
                          variant="primary"
                        >
                          创建第一个定时任务
                        </Button>
                      )}
                    </div>
                  )
                : (
                    <div className="divide-y divide-divider-subtle max-h-[400px] overflow-y-auto">
                      {schedules.map((schedule: Schedule) => (
                        <div
                          key={schedule.schedule_id}
                          className="p-4 hover:bg-background-default-hover transition-colors"
                        >
                          <div className="flex items-start justify-between gap-4">
                            <div className="flex-1 min-w-0">
                              {/* Action and Status */}
                              <div className="flex items-center gap-2 mb-2">
                                {getActionBadge(schedule.action)}
                                {getStatusBadge(schedule.status)}
                              </div>

                              {/* Scheduled Time */}
                              <div className="text-sm text-text-secondary mb-1">
                                <span className="text-text-tertiary">计划执行时间:</span>{' '}
                                {new Date(schedule.scheduled_at).toLocaleString('zh-CN')}
                              </div>

                              {/* Metadata */}
                              {schedule.metadata?.reason && (
                                <div className="text-xs text-text-tertiary">
                                  <span className="font-medium">原因:</span> {schedule.metadata.reason}
                                </div>
                              )}
                              {schedule.metadata?.notes && (
                                <div className="text-xs text-text-tertiary mt-1">
                                  <span className="font-medium">备注:</span> {schedule.metadata.notes}
                                </div>
                              )}

                              {/* Error Message */}
                              {schedule.error_message && (
                                <div className="mt-2 px-2 py-1 bg-util-colors-red-red-50 border border-util-colors-red-red-200 rounded text-xs text-util-colors-red-red-600">
                                  错误: {schedule.error_message}
                                </div>
                              )}

                              {/* Created/Completed/Cancelled Time */}
                              <div className="text-xs text-text-quaternary mt-2">
                                {schedule.status === ScheduleStatus.COMPLETED && schedule.completed_at && (
                                  <span>完成时间: {new Date(schedule.completed_at).toLocaleString('zh-CN')}</span>
                                )}
                                {schedule.status === ScheduleStatus.CANCELLED && schedule.cancelled_at && (
                                  <span>取消时间: {new Date(schedule.cancelled_at).toLocaleString('zh-CN')}</span>
                                )}
                                {schedule.status === ScheduleStatus.PENDING && (
                                  <span>创建时间: {new Date(schedule.created_at).toLocaleString('zh-CN')}</span>
                                )}
                              </div>
                            </div>

                            {/* Actions */}
                            {schedule.status === ScheduleStatus.PENDING && (
                              <Button
                                size="small"
                                onClick={() => setCancelScheduleId(schedule.schedule_id)}
                                className="shrink-0 gap-1 text-util-colors-red-red-600 hover:text-util-colors-red-red-700"
                              >
                                <RiDeleteBinLine className="w-4 h-4" />
                                取消
                              </Button>
                            )}
                          </div>
                        </div>
                      ))}
                    </div>
                  )}
          </div>

          {/* Summary */}
          {hasSchedules && (
            <div className="mt-4 text-sm text-text-quaternary">
              共 {data?.total || 0} 个定时任务
            </div>
          )}
        </div>

        {/* Footer */}
        <div className="flex justify-end pt-4 border-t border-divider-subtle">
          <Button onClick={onClose}>
            关闭
          </Button>
        </div>
      </Modal>

      {/* Cancel Confirmation */}
      {cancelScheduleId && (
        <Confirm
          isShow={!!cancelScheduleId}
          onClose={() => setCancelScheduleId(null)}
          onConfirm={handleCancelSchedule}
          onCancel={() => setCancelScheduleId(null)}
          title="取消定时任务"
          content="确定要取消这个定时任务吗？"
          confirmText="确定"
          isLoading={isCancelling}
        />
      )}
    </>
  )
}

export default ScheduleList