'use client'
import React, { useState } from 'react'
import {
  AppBar,
  Box,
  Toolbar,
  IconButton,
  Typography,
  Menu,
  Container,
  Avatar,
  Button,
  Tooltip,
  MenuItem,
  Drawer,
  List,
  ListItem,
  ListItemButton,
  ListItemIcon,
  ListItemText,
  useMediaQuery,
  useTheme,
} from '@mui/material'
import {
  Menu as MenuIcon,
  MenuBook,
  Chat,
  Favorite as Prayer,
  Search,
  AccountCircle,
  Home,
  Settings,
  Logout,
} from '@mui/icons-material'
import { useRouter } from 'next/navigation'

const pages = [
  { name: 'Acasă', path: '/', icon: <Home /> },
  { name: 'Biblia', path: '/bible', icon: <MenuBook /> },
  { name: 'Chat AI', path: '/chat', icon: <Chat /> },
  { name: 'Rugăciuni', path: '/prayers', icon: <Prayer /> },
  { name: 'Căutare', path: '/search', icon: <Search /> },
]

const settings = ['Profil', 'Setări', 'Deconectare']

export function Navigation() {
  const [anchorElNav, setAnchorElNav] = useState<null | HTMLElement>(null)
  const [anchorElUser, setAnchorElUser] = useState<null | HTMLElement>(null)
  const [drawerOpen, setDrawerOpen] = useState(false)
  const router = useRouter()
  const theme = useTheme()
  const isMobile = useMediaQuery(theme.breakpoints.down('md'))

  const handleOpenNavMenu = (event: React.MouseEvent<HTMLElement>) => {
    setAnchorElNav(event.currentTarget)
  }

  const handleOpenUserMenu = (event: React.MouseEvent<HTMLElement>) => {
    setAnchorElUser(event.currentTarget)
  }

  const handleCloseNavMenu = () => {
    setAnchorElNav(null)
  }

  const handleCloseUserMenu = () => {
    setAnchorElUser(null)
  }

  const handleNavigate = (path: string) => {
    router.push(path)
    handleCloseNavMenu()
    setDrawerOpen(false)
  }

  const toggleDrawer = (open: boolean) => {
    setDrawerOpen(open)
  }

  const DrawerList = (
    <Box sx={{ width: 250 }} role="presentation">
      <List>
        {pages.map((page) => (
          <ListItem key={page.name} disablePadding>
            <ListItemButton onClick={() => handleNavigate(page.path)}>
              <ListItemIcon sx={{ color: 'primary.main' }}>
                {page.icon}
              </ListItemIcon>
              <ListItemText primary={page.name} />
            </ListItemButton>
          </ListItem>
        ))}
      </List>
    </Box>
  )

  return (
    <>
      <AppBar position="static" sx={{ bgcolor: 'primary.main' }}>
        <Container maxWidth="xl">
          <Toolbar disableGutters>
            {/* Desktop Logo */}
            <MenuBook sx={{ display: { xs: 'none', md: 'flex' }, mr: 1 }} />
            <Typography
              variant="h6"
              noWrap
              component="a"
              href="/"
              sx={{
                mr: 2,
                display: { xs: 'none', md: 'flex' },
                fontFamily: 'monospace',
                fontWeight: 700,
                letterSpacing: '.3rem',
                color: 'inherit',
                textDecoration: 'none',
              }}
            >
              GHID BIBLIC
            </Typography>

            {/* Mobile Menu */}
            <Box sx={{ flexGrow: 1, display: { xs: 'flex', md: 'none' } }}>
              <IconButton
                size="large"
                aria-label="meniu principal"
                aria-controls="menu-appbar"
                aria-haspopup="true"
                onClick={() => toggleDrawer(true)}
                color="inherit"
              >
                <MenuIcon />
              </IconButton>
            </Box>

            {/* Mobile Logo */}
            <MenuBook sx={{ display: { xs: 'flex', md: 'none' }, mr: 1 }} />
            <Typography
              variant="h5"
              noWrap
              component="a"
              href="/"
              sx={{
                mr: 2,
                display: { xs: 'flex', md: 'none' },
                flexGrow: 1,
                fontFamily: 'monospace',
                fontWeight: 700,
                letterSpacing: '.3rem',
                color: 'inherit',
                textDecoration: 'none',
              }}
            >
              BIBLIC
            </Typography>

            {/* Desktop Menu */}
            <Box sx={{ flexGrow: 1, display: { xs: 'none', md: 'flex' } }}>
              {pages.map((page) => (
                <Button
                  key={page.name}
                  onClick={() => handleNavigate(page.path)}
                  sx={{
                    my: 2,
                    color: 'white',
                    display: 'flex',
                    alignItems: 'center',
                    gap: 1,
                    mx: 1,
                    '&:hover': {
                      bgcolor: 'primary.dark',
                    },
                  }}
                  startIcon={page.icon}
                >
                  {page.name}
                </Button>
              ))}
            </Box>

            {/* User Menu */}
            <Box sx={{ flexGrow: 0 }}>
              <Tooltip title="Deschide setări">
                <IconButton onClick={handleOpenUserMenu} sx={{ p: 0 }}>
                  <Avatar sx={{ bgcolor: 'secondary.main' }}>
                    <AccountCircle />
                  </Avatar>
                </IconButton>
              </Tooltip>
              <Menu
                sx={{ mt: '45px' }}
                id="menu-appbar"
                anchorEl={anchorElUser}
                anchorOrigin={{
                  vertical: 'top',
                  horizontal: 'right',
                }}
                keepMounted
                transformOrigin={{
                  vertical: 'top',
                  horizontal: 'right',
                }}
                open={Boolean(anchorElUser)}
                onClose={handleCloseUserMenu}
              >
                <MenuItem onClick={handleCloseUserMenu}>
                  <ListItemIcon>
                    <AccountCircle fontSize="small" />
                  </ListItemIcon>
                  <Typography textAlign="center">Profil</Typography>
                </MenuItem>
                <MenuItem onClick={handleCloseUserMenu}>
                  <ListItemIcon>
                    <Settings fontSize="small" />
                  </ListItemIcon>
                  <Typography textAlign="center">Setări</Typography>
                </MenuItem>
                <MenuItem onClick={handleCloseUserMenu}>
                  <ListItemIcon>
                    <Logout fontSize="small" />
                  </ListItemIcon>
                  <Typography textAlign="center">Deconectare</Typography>
                </MenuItem>
              </Menu>
            </Box>
          </Toolbar>
        </Container>
      </AppBar>

      {/* Mobile Drawer */}
      <Drawer anchor="left" open={drawerOpen} onClose={() => toggleDrawer(false)}>
        {DrawerList}
      </Drawer>
    </>
  )
}