'use client'
import type { FC } from 'react'
import { useState } from 'react'
import { RiCalendarScheduleLine, RiTimeLine } from '@remixicon/react'
import Modal from '@/app/components/base/modal'
import Button from '@/app/components/base/button'
import { ScheduleAction } from '@/models/document-schedule'
import type { CreateScheduleRequest } from '@/models/document-schedule'
import { useCreateSchedule } from '@/service/knowledge/use-document-schedule'
import { useToastContext } from '@/app/components/base/toast'
import { useQueryClient } from '@tanstack/react-query'
import { useScheduleListKey } from '@/service/knowledge/use-document-schedule'

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

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

  const [action, setAction] = useState<ScheduleAction>(ScheduleAction.ENABLE)
  const [scheduledDate, setScheduledDate] = useState('')
  const [scheduledTime, setScheduledTime] = useState('')
  const [reason, setReason] = useState('')
  const [notes, setNotes] = useState('')

  const { mutateAsync: createSchedule, isPending } = useCreateSchedule()

  const handleSubmit = async () => {
    if (!scheduledDate || !scheduledTime) {
      notify({ type: 'error', message: '请选择日期和时间' })
      return
    }

    // Combine date and time to ISO format
    const scheduledAt = new Date(`${scheduledDate}T${scheduledTime}`).toISOString()

    // Validate future time
    if (new Date(scheduledAt) <= new Date()) {
      notify({ type: 'error', message: '定时时间必须在未来' })
      return
    }

    const body: CreateScheduleRequest = {
      action,
      scheduled_at: scheduledAt,
      metadata: {
        reason: reason || undefined,
        notes: notes || undefined,
      },
    }

    try {
      await createSchedule({
        datasetId,
        documentId,
        body,
      })

      notify({
        type: 'success',
        message: '定时任务创建成功',
      })

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

      handleClose()
    }
    catch (error: any) {
      notify({
        type: 'error',
        message: error.message || '定时任务创建失败',
      })
    }
  }

  const handleClose = () => {
    setAction(ScheduleAction.ENABLE)
    setScheduledDate('')
    setScheduledTime('')
    setReason('')
    setNotes('')
    onClose()
  }

  // Get tomorrow's date as minimum
  const getTomorrowDate = () => {
    const tomorrow = new Date()
    tomorrow.setDate(tomorrow.getDate() + 1)
    return tomorrow.toISOString().split('T')[0]
  }

  const getActionLabel = (actionType: ScheduleAction) => {
    const labels = {
      [ScheduleAction.ENABLE]: '启用',
      [ScheduleAction.DISABLE]: '禁用',
      [ScheduleAction.ARCHIVE]: '归档',
    }
    return labels[actionType]
  }

  return (
    <Modal
      isShow={isOpen}
      onClose={handleClose}
      title={
        <div className="flex items-center gap-2">
          <RiCalendarScheduleLine className="w-5 h-5" />
          <span>创建定时任务</span>
        </div>
      }
      className="!w-[540px]"
    >
      <div className="space-y-4 py-4">
        {/* Document Name */}
        <div>
          <label className="text-text-secondary text-sm font-medium mb-2 block">
            文档
          </label>
          <div className="px-3 py-2 bg-background-section-burn rounded-lg text-sm text-text-tertiary">
            {documentName}
          </div>
        </div>

        {/* Action Selection */}
        <div>
          <label className="text-text-secondary text-sm font-medium mb-2 block">
            操作类型
          </label>
          <div className="grid grid-cols-3 gap-2">
            {[
              { value: ScheduleAction.ENABLE, label: '启用' },
              { value: ScheduleAction.DISABLE, label: '禁用' },
              { value: ScheduleAction.ARCHIVE, label: '归档' },
            ].map(option => (
              <button
                key={option.value}
                type="button"
                onClick={() => setAction(option.value)}
                className={`
                  px-4 py-2 rounded-lg border text-sm font-medium transition-colors
                  ${action === option.value
                    ? 'border-components-button-primary-bg bg-components-button-primary-bg-hover text-components-button-primary-text'
                    : 'border-divider-regular bg-components-button-secondary-bg text-components-button-secondary-text hover:bg-components-button-secondary-bg-hover'
                  }
                `}
              >
                {option.label}
              </button>
            ))}
          </div>
        </div>

        {/* Scheduled Date & Time */}
        <div className="grid grid-cols-2 gap-3">
          <div>
            <label className="text-text-secondary text-sm font-medium mb-2 block">
              日期
            </label>
            <input
              type="date"
              value={scheduledDate}
              onChange={e => setScheduledDate(e.target.value)}
              min={getTomorrowDate()}
              className="w-full px-3 py-2 bg-components-input-bg-normal border border-components-input-border-active rounded-lg text-sm text-text-primary placeholder:text-text-quaternary focus:outline-none focus:ring-1 focus:ring-components-input-border-active"
            />
          </div>
          <div>
            <label className="text-text-secondary text-sm font-medium mb-2 block">
              时间
            </label>
            <input
              type="time"
              value={scheduledTime}
              onChange={e => setScheduledTime(e.target.value)}
              className="w-full px-3 py-2 bg-components-input-bg-normal border border-components-input-border-active rounded-lg text-sm text-text-primary placeholder:text-text-quaternary focus:outline-none focus:ring-1 focus:ring-components-input-border-active"
            />
          </div>
        </div>

        {/* Reason (Optional) */}
        <div>
          <label className="text-text-secondary text-sm font-medium mb-2 block">
            原因 <span className="text-text-quaternary">(可选)</span>
          </label>
          <input
            type="text"
            value={reason}
            onChange={e => setReason(e.target.value)}
            placeholder="例如：每月内容更新"
            maxLength={100}
            className="w-full px-3 py-2 bg-components-input-bg-normal border border-components-input-border-active rounded-lg text-sm text-text-primary placeholder:text-text-quaternary focus:outline-none focus:ring-1 focus:ring-components-input-border-active"
          />
        </div>

        {/* Notes (Optional) */}
        <div>
          <label className="text-text-secondary text-sm font-medium mb-2 block">
            备注 <span className="text-text-quaternary">(可选)</span>
          </label>
          <textarea
            value={notes}
            onChange={e => setNotes(e.target.value)}
            placeholder="附加信息..."
            maxLength={500}
            rows={3}
            className="w-full px-3 py-2 bg-components-input-bg-normal border border-components-input-border-active rounded-lg text-sm text-text-primary placeholder:text-text-quaternary focus:outline-none focus:ring-1 focus:ring-components-input-border-active resize-none"
          />
        </div>

        {/* Preview */}
        {scheduledDate && scheduledTime && (
          <div className="px-3 py-2 bg-background-section-burn rounded-lg flex items-start gap-2">
            <RiTimeLine className="w-4 h-4 text-text-accent mt-0.5 shrink-0" />
            <div className="text-sm">
              <div className="text-text-secondary font-medium">
                将执行
              </div>
              <div className="text-text-tertiary mt-1">
                {getActionLabel(action)} {documentName} 于 {new Date(`${scheduledDate}T${scheduledTime}`).toLocaleString('zh-CN')}
              </div>
            </div>
          </div>
        )}
      </div>

      {/* Footer */}
      <div className="flex justify-end gap-2 pt-4 border-t border-divider-subtle">
        <Button
          onClick={handleClose}
          className="min-w-[80px]"
        >
          取消
        </Button>
        <Button
          variant="primary"
          onClick={handleSubmit}
          disabled={isPending || !scheduledDate || !scheduledTime}
          loading={isPending}
          className="min-w-[80px]"
        >
          创建
        </Button>
      </div>
    </Modal>
  )
}

export default ScheduleModal