'use client';

import { useState } from 'react';
import {
  Box,
  Typography,
  Paper,
  List,
  ListItem,
  ListItemAvatar,
  ListItemText,
  Avatar,
  Chip,
  IconButton,
  Tabs,
  Tab,
  Button,
} from '@mui/material';
import {
  Restaurant,
  Hotel,
  BabyChangingStation,
  Delete,
  Edit,
  FilterList,
} from '@mui/icons-material';
import { AppShell } from '@/components/layouts/AppShell/AppShell';
import { ProtectedRoute } from '@/components/common/ProtectedRoute';
import { motion } from 'framer-motion';
import { formatDistanceToNow } from 'date-fns';

// Mock data - will be replaced with API calls
const mockActivities = [
  {
    id: '1',
    type: 'feeding',
    timestamp: new Date(Date.now() - 2 * 60 * 60 * 1000),
    details: 'Breast feeding - Left, 15 minutes',
    icon: <Restaurant />,
    color: '#FFB6C1',
  },
  {
    id: '2',
    type: 'diaper',
    timestamp: new Date(Date.now() - 3 * 60 * 60 * 1000),
    details: 'Diaper change - Wet',
    icon: <BabyChangingStation />,
    color: '#FFE4B5',
  },
  {
    id: '3',
    type: 'sleep',
    timestamp: new Date(Date.now() - 5 * 60 * 60 * 1000),
    details: 'Sleep - 2h 30m, Good quality',
    icon: <Hotel />,
    color: '#B6D7FF',
  },
  {
    id: '4',
    type: 'feeding',
    timestamp: new Date(Date.now() - 6 * 60 * 60 * 1000),
    details: 'Bottle - 120ml',
    icon: <Restaurant />,
    color: '#FFB6C1',
  },
  {
    id: '5',
    type: 'diaper',
    timestamp: new Date(Date.now() - 7 * 60 * 60 * 1000),
    details: 'Diaper change - Both',
    icon: <BabyChangingStation />,
    color: '#FFE4B5',
  },
];

export default function HistoryPage() {
  const [filter, setFilter] = useState<string>('all');
  const [activities, setActivities] = useState(mockActivities);

  const filteredActivities =
    filter === 'all'
      ? activities
      : activities.filter((activity) => activity.type === filter);

  const handleDelete = (id: string) => {
    // TODO: Call API to delete activity
    setActivities(activities.filter((activity) => activity.id !== id));
  };

  return (
    <ProtectedRoute>
      <AppShell>
        <Box>
          <Box sx={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center', mb: 3 }}>
            <Typography variant="h4" fontWeight="600">
              Activity History
            </Typography>
            <IconButton>
              <FilterList />
            </IconButton>
          </Box>

          {/* Filter Tabs */}
          <Paper sx={{ mb: 3 }}>
            <Tabs
              value={filter}
              onChange={(_, newValue) => setFilter(newValue)}
              variant="scrollable"
              scrollButtons="auto"
            >
              <Tab label="All" value="all" />
              <Tab label="Feeding" value="feeding" icon={<Restaurant />} iconPosition="start" />
              <Tab label="Sleep" value="sleep" icon={<Hotel />} iconPosition="start" />
              <Tab label="Diaper" value="diaper" icon={<BabyChangingStation />} iconPosition="start" />
            </Tabs>
          </Paper>

          {/* Activity Timeline */}
          <motion.div
            initial={{ opacity: 0 }}
            animate={{ opacity: 1 }}
            transition={{ duration: 0.3 }}
          >
            <Paper>
              <List>
                {filteredActivities.length === 0 ? (
                  <Box sx={{ p: 4, textAlign: 'center' }}>
                    <Typography variant="body1" color="text.secondary">
                      No activities found
                    </Typography>
                  </Box>
                ) : (
                  filteredActivities.map((activity, index) => (
                    <motion.div
                      key={activity.id}
                      initial={{ opacity: 0, x: -20 }}
                      animate={{ opacity: 1, x: 0 }}
                      transition={{ duration: 0.3, delay: index * 0.05 }}
                    >
                      <ListItem
                        sx={{
                          borderBottom: index < filteredActivities.length - 1 ? '1px solid' : 'none',
                          borderColor: 'divider',
                          py: 2,
                        }}
                        secondaryAction={
                          <Box>
                            <IconButton edge="end" aria-label="edit" sx={{ mr: 1 }}>
                              <Edit />
                            </IconButton>
                            <IconButton
                              edge="end"
                              aria-label="delete"
                              onClick={() => handleDelete(activity.id)}
                            >
                              <Delete />
                            </IconButton>
                          </Box>
                        }
                      >
                        <ListItemAvatar>
                          <Avatar sx={{ bgcolor: activity.color }}>
                            {activity.icon}
                          </Avatar>
                        </ListItemAvatar>
                        <ListItemText
                          primary={activity.details}
                          secondary={
                            <Box sx={{ display: 'flex', alignItems: 'center', gap: 1, mt: 0.5 }}>
                              <Typography variant="caption" color="text.secondary">
                                {formatDistanceToNow(activity.timestamp, { addSuffix: true })}
                              </Typography>
                              <Chip
                                label={activity.type}
                                size="small"
                                sx={{
                                  height: 20,
                                  fontSize: '0.7rem',
                                  textTransform: 'capitalize',
                                }}
                              />
                            </Box>
                          }
                        />
                      </ListItem>
                    </motion.div>
                  ))
                )}
              </List>
            </Paper>
          </motion.div>

          {/* Daily Summary */}
          <Paper sx={{ p: 3, mt: 3 }}>
            <Typography variant="h6" fontWeight="600" gutterBottom>
              Today's Summary
            </Typography>
            <Box sx={{ display: 'flex', gap: 2, flexWrap: 'wrap', mt: 2 }}>
              <Chip
                icon={<Restaurant />}
                label={`${activities.filter((a) => a.type === 'feeding').length} Feedings`}
                sx={{ bgcolor: '#FFB6C1', color: 'white' }}
              />
              <Chip
                icon={<Hotel />}
                label={`${activities.filter((a) => a.type === 'sleep').length} Sleep Sessions`}
                sx={{ bgcolor: '#B6D7FF', color: 'white' }}
              />
              <Chip
                icon={<BabyChangingStation />}
                label={`${activities.filter((a) => a.type === 'diaper').length} Diaper Changes`}
                sx={{ bgcolor: '#FFE4B5', color: 'white' }}
              />
            </Box>
          </Paper>
        </Box>
      </AppShell>
    </ProtectedRoute>
  );
}