import React, { ReactNode } from 'react'
import {
  Card,
  CardContent,
  CardHeader,
  Button,
  Typography,
  FormControl,
  FormControlLabel,
  Radio,
  RadioGroup,
  TextField,
  Box,
  Chip,
  Divider,
  Grid,
  useTheme
} from '@mui/material'
import { styled } from '@mui/material/styles'

// Type definitions
interface DateRange {
  startDate: Date
  endDate: Date
}

interface QuickAction {
  label: string
  handler: () => void
}

interface CustomQuickActions {
  single?: QuickAction[]
  range?: QuickAction[]
}

interface Labels {
  filterLabel?: string
  singleDateLabel?: string
  rangeDateLabel?: string
  selectDateLabel?: string
  fromLabel?: string
  toLabel?: string
  todayLabel?: string
  yesterdayLabel?: string
  last7DaysLabel?: string
  last30DaysLabel?: string
  periodLabel?: string
  exportHelpText?: string
}

interface ReportGeneratorProps {
  // Required props
  reportTitle: string
  filterType: 'single' | 'range'
  selectedDate: Date
  dateRange: DateRange
  onFilterTypeChange: (filterType: 'single' | 'range') => void
  onSingleDateChange: (date: Date) => void
  onDateRangeChange: (dateRange: DateRange) => void
  onGeneratePDF: () => void

  // Optional props dengan default values
  maxWidth?: string
  showQuickActions?: boolean
  customQuickActions?: CustomQuickActions | null
  periodFormat?: string
  downloadButtonText?: string
  cardShadow?: string
  primaryColor?: string

  // Optional helper functions
  formatDateForInput?: ((date: Date) => string) | null
  getReportPeriodText?: (() => string) | null

  // Additional customization
  className?: string
  style?: React.CSSProperties
  children?: ReactNode

  // Loading state
  isGenerating?: boolean

  // Custom labels
  labels?: Labels
}

// Custom styled components yang responsif terhadap theme
const StyledCard = styled(Card)(({ theme }) => ({
  margin: '0 0 24px',
  boxShadow: theme.palette.mode === 'dark' ? '0 2px 10px rgba(20, 21, 33, 0.3)' : '0 2px 10px rgba(58, 53, 65, 0.1)',
  borderRadius: '8px',
  backgroundColor: theme.palette.mode === 'dark' ? theme.palette.background.paper : '#ffffff'
}))

const PurpleButton = styled(Button)(({ theme }) => ({
  backgroundColor: '#36175e',
  color: 'white',
  textTransform: 'none',
  fontWeight: 500,
  padding: '8px 24px',
  '&:hover': {
    backgroundColor: '#2d1350',
    opacity: 0.9
  },
  '&:disabled': {
    backgroundColor: theme.palette.mode === 'dark' ? '#444' : '#ccc',
    color: theme.palette.mode === 'dark' ? '#888' : '#666'
  }
}))

const QuickActionButton = styled(Button)(({ theme }) => ({
  backgroundColor: theme.palette.mode === 'dark' ? 'rgba(231, 227, 252, 0.08)' : '#f8f7fa',
  color: theme.palette.mode === 'dark' ? theme.palette.text.secondary : '#6f6b7d',
  textTransform: 'none',
  fontSize: '0.875rem',
  padding: '6px 16px',
  borderRadius: '6px',
  '&:hover': {
    backgroundColor: theme.palette.mode === 'dark' ? 'rgba(231, 227, 252, 0.16)' : '#ebe9f1'
  }
}))

const InfoBox = styled(Box)(({ theme }) => ({
  marginTop: theme.spacing(3),
  padding: theme.spacing(2),
  backgroundColor: theme.palette.mode === 'dark' ? 'rgba(231, 227, 252, 0.04)' : '#f8f7fa',
  borderRadius: theme.shape.borderRadius,
  border: theme.palette.mode === 'dark' ? '1px solid rgba(231, 227, 252, 0.12)' : 'none'
}))

const ReportGeneratorComponent: React.FC<ReportGeneratorProps> = ({
  // Required props
  reportTitle,
  filterType,
  selectedDate,
  dateRange,
  onFilterTypeChange,
  onSingleDateChange,
  onDateRangeChange,
  onGeneratePDF,

  // Optional props dengan default values
  maxWidth = '1024px',
  showQuickActions = true,
  customQuickActions = null,
  periodFormat = 'id-ID',
  downloadButtonText = 'Download PDF',
  cardShadow,
  primaryColor = '#36175e',

  // Optional helper functions
  formatDateForInput = null,
  getReportPeriodText = null,

  // Additional customization
  className = '',
  style = {},
  children = null,

  // Loading state
  isGenerating = false,

  // Custom labels
  labels = {
    filterLabel: 'Filter Tanggal:',
    singleDateLabel: 'Hari Tunggal',
    rangeDateLabel: 'Rentang Tanggal',
    selectDateLabel: 'Pilih Tanggal:',
    fromLabel: 'Dari:',
    toLabel: 'Sampai:',
    todayLabel: 'Hari Ini',
    yesterdayLabel: 'Kemarin',
    last7DaysLabel: '7 Hari Terakhir',
    last30DaysLabel: '30 Hari Terakhir',
    periodLabel: 'Periode:',
    exportHelpText: 'Klik tombol download untuk mengeksport laporan ke PDF'
  }
}) => {
  const theme = useTheme()

  // Dynamic colors berdasarkan theme
  const textPrimary = theme.palette.text.primary
  const textSecondary = theme.palette.text.secondary
  const dynamicCardShadow =
    cardShadow ||
    (theme.palette.mode === 'dark' ? '0 2px 10px rgba(20, 21, 33, 0.3)' : '0 2px 10px rgba(58, 53, 65, 0.1)')

  // Default format date function
  const defaultFormatDateForInput = (date: Date): string => {
    return date.toISOString().split('T')[0]
  }

  // Default period text function
  const defaultGetReportPeriodText = (): string => {
    if (filterType === 'single') {
      return selectedDate.toLocaleDateString(periodFormat, {
        weekday: 'long',
        year: 'numeric',
        month: 'long',
        day: 'numeric'
      })
    } else {
      return `${dateRange.startDate.toLocaleDateString(periodFormat)} - ${dateRange.endDate.toLocaleDateString(periodFormat)}`
    }
  }

  // Use provided functions or defaults
  const formatDate = formatDateForInput || defaultFormatDateForInput
  const getPeriodText = getReportPeriodText || defaultGetReportPeriodText

  // Quick action handlers
  const handleToday = (): void => {
    onSingleDateChange(new Date())
  }

  const handleYesterday = (): void => {
    const yesterday = new Date()
    yesterday.setDate(yesterday.getDate() - 1)
    onSingleDateChange(yesterday)
  }

  const handleLast7Days = (): void => {
    const today = new Date()
    const weekAgo = new Date()
    weekAgo.setDate(today.getDate() - 6)
    onDateRangeChange({ startDate: weekAgo, endDate: today })
  }

  const handleLast30Days = (): void => {
    const today = new Date()
    const monthAgo = new Date()
    monthAgo.setDate(today.getDate() - 29)
    onDateRangeChange({ startDate: monthAgo, endDate: today })
  }

  // Default quick actions
  const defaultQuickActions: CustomQuickActions = {
    single: [
      { label: labels.todayLabel || 'Hari Ini', handler: handleToday },
      { label: labels.yesterdayLabel || 'Kemarin', handler: handleYesterday }
    ],
    range: [
      { label: labels.last7DaysLabel || '7 Hari Terakhir', handler: handleLast7Days },
      { label: labels.last30DaysLabel || '30 Hari Terakhir', handler: handleLast30Days }
    ]
  }

  const quickActions = customQuickActions || defaultQuickActions

  return (
    <StyledCard
      className={className}
      style={{
        ...style,
        maxWidth,
        boxShadow: dynamicCardShadow
      }}
    >
      <CardHeader
        title={
          <Typography
            variant='h4'
            sx={{
              fontWeight: 600,
              color: textPrimary
            }}
          >
            Generator {reportTitle}
          </Typography>
        }
        action={
          <PurpleButton
            onClick={onGeneratePDF}
            variant='contained'
            disabled={isGenerating}
            sx={{ backgroundColor: primaryColor }}
          >
            {isGenerating ? 'Generating...' : downloadButtonText}
          </PurpleButton>
        }
        sx={{ pb: 2 }}
      />

      <CardContent>
        <Divider sx={{ mb: 3 }} />

        {/* Filter Controls */}
        <Box sx={{ mb: 3 }}>
          <Typography
            variant='subtitle2'
            sx={{
              mb: 2,
              fontWeight: 600,
              color: textPrimary
            }}
          >
            {labels.filterLabel || 'Filter Tanggal:'}
          </Typography>

          <FormControl component='fieldset' sx={{ mb: 3 }}>
            <RadioGroup
              row
              value={filterType}
              onChange={e => onFilterTypeChange(e.target.value as 'single' | 'range')}
              sx={{ gap: 3 }}
            >
              <FormControlLabel
                value='single'
                control={
                  <Radio
                    sx={{
                      color: primaryColor,
                      '&.Mui-checked': { color: primaryColor }
                    }}
                  />
                }
                label={
                  <Typography variant='body2' sx={{ color: textSecondary }}>
                    {labels.singleDateLabel || 'Hari Tunggal'}
                  </Typography>
                }
              />
              <FormControlLabel
                value='range'
                control={
                  <Radio
                    sx={{
                      color: primaryColor,
                      '&.Mui-checked': { color: primaryColor }
                    }}
                  />
                }
                label={
                  <Typography variant='body2' sx={{ color: textSecondary }}>
                    {labels.rangeDateLabel || 'Rentang Tanggal'}
                  </Typography>
                }
              />
            </RadioGroup>
          </FormControl>

          {/* Single Date Filter */}
          {filterType === 'single' && (
            <Grid container spacing={2} alignItems='center'>
              <Grid item xs={12} sm='auto'>
                <Typography
                  variant='subtitle2'
                  sx={{
                    fontWeight: 600,
                    color: textPrimary
                  }}
                >
                  {labels.selectDateLabel || 'Pilih Tanggal:'}
                </Typography>
              </Grid>
              <Grid item xs={12} sm='auto'>
                <TextField
                  type='date'
                  value={formatDate(selectedDate)}
                  onChange={e => onSingleDateChange(new Date(e.target.value))}
                  size='small'
                  sx={{
                    '& .MuiOutlinedInput-root': {
                      '&.Mui-focused fieldset': {
                        borderColor: primaryColor
                      },
                      '& fieldset': {
                        borderColor: theme.palette.mode === 'dark' ? 'rgba(231, 227, 252, 0.22)' : theme.palette.divider
                      }
                    },
                    '& .MuiInputBase-input': {
                      color: textPrimary
                    }
                  }}
                />
              </Grid>
              {showQuickActions && (
                <Grid item xs={12} sm='auto'>
                  <Box sx={{ display: 'flex', gap: 1, flexWrap: 'wrap' }}>
                    {quickActions.single?.map((action, index) => (
                      <QuickActionButton key={index} onClick={action.handler}>
                        {action.label}
                      </QuickActionButton>
                    ))}
                  </Box>
                </Grid>
              )}
            </Grid>
          )}

          {/* Date Range Filter */}
          {filterType === 'range' && (
            <Grid container spacing={2} alignItems='center'>
              <Grid item xs={12} sm='auto'>
                <Box sx={{ display: 'flex', alignItems: 'center', gap: 1 }}>
                  <Typography
                    variant='subtitle2'
                    sx={{
                      fontWeight: 600,
                      color: textPrimary
                    }}
                  >
                    {labels.fromLabel || 'Dari:'}
                  </Typography>
                  <TextField
                    type='date'
                    value={formatDate(dateRange.startDate)}
                    onChange={e =>
                      onDateRangeChange({
                        ...dateRange,
                        startDate: new Date(e.target.value)
                      })
                    }
                    size='small'
                    sx={{
                      '& .MuiOutlinedInput-root': {
                        '&.Mui-focused fieldset': {
                          borderColor: primaryColor
                        },
                        '& fieldset': {
                          borderColor:
                            theme.palette.mode === 'dark' ? 'rgba(231, 227, 252, 0.22)' : theme.palette.divider
                        }
                      },
                      '& .MuiInputBase-input': {
                        color: textPrimary
                      }
                    }}
                  />
                </Box>
              </Grid>
              <Grid item xs={12} sm='auto'>
                <Box sx={{ display: 'flex', alignItems: 'center', gap: 1 }}>
                  <Typography
                    variant='subtitle2'
                    sx={{
                      fontWeight: 600,
                      color: textPrimary
                    }}
                  >
                    {labels.toLabel || 'Sampai:'}
                  </Typography>
                  <TextField
                    type='date'
                    value={formatDate(dateRange.endDate)}
                    onChange={e =>
                      onDateRangeChange({
                        ...dateRange,
                        endDate: new Date(e.target.value)
                      })
                    }
                    size='small'
                    sx={{
                      '& .MuiOutlinedInput-root': {
                        '&.Mui-focused fieldset': {
                          borderColor: primaryColor
                        },
                        '& fieldset': {
                          borderColor:
                            theme.palette.mode === 'dark' ? 'rgba(231, 227, 252, 0.22)' : theme.palette.divider
                        }
                      },
                      '& .MuiInputBase-input': {
                        color: textPrimary
                      }
                    }}
                  />
                </Box>
              </Grid>
              {showQuickActions && (
                <Grid item xs={12} sm='auto'>
                  <Box sx={{ display: 'flex', gap: 1, flexWrap: 'wrap' }}>
                    {quickActions.range?.map((action, index) => (
                      <QuickActionButton key={index} onClick={action.handler}>
                        {action.label}
                      </QuickActionButton>
                    ))}
                  </Box>
                </Grid>
              )}
            </Grid>
          )}
        </Box>

        <InfoBox>
          <Typography variant='body2' component='div' sx={{ color: textSecondary }}>
            {labels.periodLabel || 'Periode:'}{' '}
            <Chip
              label={getPeriodText()}
              size='small'
              sx={{
                backgroundColor: primaryColor,
                color: 'white',
                fontWeight: 500,
                ml: 1
              }}
            />
          </Typography>
          <Typography
            variant='body2'
            sx={{
              color: textSecondary,
              mt: 1
            }}
          >
            {labels.exportHelpText || 'Klik tombol download untuk mengeksport laporan ke PDF'}
          </Typography>
        </InfoBox>

        {/* Custom content dapat ditambahkan di sini */}
        {children}
      </CardContent>
    </StyledCard>
  )
}

export default ReportGeneratorComponent