import { cookies } from 'next/headers'
import { redirect } from 'next/navigation'
import { supabase } from '@/lib/supabase'
import { LogoutButton } from '@/components/logout-button'
import { ArrowLeft, User, MapPin, Phone, Baby, Calendar } from 'lucide-react'
import Link from 'next/link'
import { Mars, Venus } from 'lucide-react'
import { HasilStuntingTable } from './HasilStuntingTable'
import { PerkembanganChart } from './PerkembanganChart'

interface Props {
    params: Promise<{ id: string }>
}

function ReadField({
    icon,
    label,
    value,
    accent,
}: {
    icon: React.ReactNode
    label: string
    value: string | null | undefined
    accent?: 'blue' | 'pink'
}) {
    return (
        <div className="flex flex-col gap-1.5 p-4 rounded-xl border-2 border-gray-100 bg-gray-50/50 hover:border-gray-200 transition-colors">
            <div className="flex items-center gap-2 text-[10px] font-bold uppercase tracking-widest text-gray-400">
                <span className="text-gray-400">{icon}</span>
                {label}
            </div>
            <p className={`text-base font-bold ${accent === 'blue' ? 'text-blue-600' : accent === 'pink' ? 'text-pink-600' : 'text-black'}`}>
                {value || <span className="text-gray-300 font-normal italic">Tidak ada data</span>}
            </p>
        </div>
    )
}

export default async function DetailPenggunaKelolaPage({ params }: Props) {
    const { id } = await params

    const cookieStore = await cookies()
    const sessionCookie = cookieStore.get('user_session')
    if (!sessionCookie) redirect('/')

    const session = JSON.parse(sessionCookie.value)
    if (session.role !== 'admin') redirect('/dashboard')

    const { data: pengguna, error } = await supabase
        .from('akun_balita')
        .select('id, nama_orang_tua, alamat, no_whatsapp, nama_anak, jenis_kelamin, tanggal_lahir, username, password')
        .eq('id', id)
        .single()

    if (error || !pengguna) {
        return (
            <div className="min-h-screen flex items-center justify-center text-red-500 font-semibold">
                Data tidak ditemukan.
            </div>
        )
    }

    // Fetch hasil pengukuran stunting milik balita ini
    const { data: hasilData } = await supabase
        .from('hasil_stunting_balita')
        .select('id, tinggi_badan, berat_badan, z_score, status_stunting, pesan_ai, tanggal_upload, nama_posyandu')
        .eq('id_balita', pengguna.id)
        .order('tanggal_upload', { ascending: false })

    const formatDate = (d: string | null) => {
        if (!d) return null
        return new Date(d).toLocaleDateString('id-ID', {
            day: 'numeric', month: 'long', year: 'numeric'
        })
    }

    const isLaki = pengguna.jenis_kelamin?.toLowerCase().includes('laki')

    return (
        <div className="min-h-screen bg-white font-sans text-black flex flex-col">
            {/* Header */}
            <header className="flex justify-between items-center px-8 py-6 border-b border-gray-100">
                <div className="flex items-center gap-4">
                    <Link href="/dashboard/kelola-data" className="group flex items-center gap-2 text-sm font-bold hover:text-gray-600 transition-colors">
                        <div className="p-2 rounded-full border border-black flex items-center justify-center group-hover:bg-black group-hover:text-white transition-all">
                            <ArrowLeft className="h-5 w-5" />
                        </div>
                        <span className="hidden md:block">Kembali ke Daftar</span>
                    </Link>
                    <div className="h-8 w-px bg-gray-200 mx-2 hidden md:block"></div>
                    <div className="flex flex-col justify-center">
                        <h1 className="text-xl font-bold leading-none">Detail Pengguna</h1>
                        <p className="text-[10px] text-gray-500 tracking-widest uppercase mt-0.5">REVIEW DATA</p>
                    </div>
                </div>
                <LogoutButton />
            </header>

            <main className="p-8 max-w-5xl mx-auto flex-1 w-full">
                <div className="bg-white rounded-xl border border-black shadow-[8px_8px_0px_0px_rgba(0,0,0,1)] overflow-hidden">

                    {/* Card Hero */}
                    <div className="bg-black text-white px-8 py-6 flex items-center gap-5">
                        <div className="w-16 h-16 rounded-full bg-white/10 border-2 border-white/20 flex items-center justify-center text-2xl font-black flex-shrink-0">
                            {pengguna.nama_orang_tua?.charAt(0).toUpperCase() ?? '?'}
                        </div>
                        <div>
                            <h2 className="text-2xl font-black">{pengguna.nama_orang_tua}</h2>
                            <div className="flex items-center gap-2 mt-1.5">
                                <Baby className="w-3.5 h-3.5 text-gray-400" />
                                <span className="text-sm text-gray-300">{pengguna.nama_anak ?? '-'}</span>
                            </div>
                        </div>

                    </div>

                    <div className="p-8 flex flex-col gap-8">

                        {/* Section: Data Orang Tua */}
                        <div>
                            <div className="flex items-center gap-2 mb-4">
                                <User className="w-4 h-4 text-gray-500" />
                                <p className="text-xs font-bold uppercase tracking-widest text-gray-500">Data Orang Tua</p>
                            </div>
                            <div className="grid grid-cols-1 md:grid-cols-2 gap-3">
                                <div className="md:col-span-2">
                                    <ReadField icon={<User className="w-3.5 h-3.5" />} label="Nama Ibu / Orang Tua" value={pengguna.nama_orang_tua} />
                                </div>
                                <div className="md:col-span-2">
                                    <ReadField icon={<MapPin className="w-3.5 h-3.5" />} label="Alamat" value={pengguna.alamat} />
                                </div>
                                <div className="md:col-span-2">
                                    <ReadField icon={<Phone className="w-3.5 h-3.5" />} label="No. WhatsApp" value={pengguna.no_whatsapp} />
                                </div>
                            </div>
                        </div>

                        <div className="border-t-2 border-dashed border-gray-100" />

                        {/* Section: Data Anak */}
                        <div>
                            <div className="flex items-center gap-2 mb-4">
                                <Baby className="w-4 h-4 text-gray-500" />
                                <p className="text-xs font-bold uppercase tracking-widest text-gray-500">Data Anak</p>
                            </div>
                            <div className="grid grid-cols-1 md:grid-cols-2 gap-3">
                                <div className="md:col-span-2">
                                    <ReadField icon={<Baby className="w-3.5 h-3.5" />} label="Nama Anak" value={pengguna.nama_anak} />
                                </div>
                                <ReadField
                                    icon={isLaki ? <Mars className="w-3.5 h-3.5" /> : <Venus className="w-3.5 h-3.5" />}
                                    label="Jenis Kelamin"
                                    value={pengguna.jenis_kelamin}
                                    accent={isLaki ? 'blue' : 'pink'}
                                />
                                <ReadField
                                    icon={<Calendar className="w-3.5 h-3.5" />}
                                    label="Tanggal Lahir"
                                    value={formatDate(pengguna.tanggal_lahir)}
                                />
                            </div>
                        </div>

                        {/* Separator: Perkembangan */}
                        <div className="flex items-center gap-4 py-2">
                            <div className="flex-1 h-px bg-gradient-to-r from-transparent via-gray-200 to-gray-200" />
                            <div className="flex items-center gap-2 px-4 py-1.5 bg-gray-50 border border-gray-200 rounded-full">
                                <div className="w-1.5 h-1.5 rounded-full bg-blue-300" />
                                <span className="text-[10px] font-bold uppercase tracking-widest text-gray-400">Grafik Perkembangan</span>
                                <div className="w-1.5 h-1.5 rounded-full bg-emerald-300" />
                            </div>
                            <div className="flex-1 h-px bg-gradient-to-l from-transparent via-gray-200 to-gray-200" />
                        </div>

                        {/* Chart Perkembangan Tinggi & Berat */}
                        <PerkembanganChart data={hasilData ?? []} />

                        {/* Professional Separator */}
                        <div className="flex items-center gap-4 py-2">
                            <div className="flex-1 h-px bg-gradient-to-r from-transparent via-gray-200 to-gray-200" />
                            <div className="flex items-center gap-2 px-4 py-1.5 bg-gray-50 border border-gray-200 rounded-full">
                                <div className="w-1.5 h-1.5 rounded-full bg-gray-400" />
                                <span className="text-[10px] font-bold uppercase tracking-widest text-gray-400">Riwayat Pengukuran</span>
                                <div className="w-1.5 h-1.5 rounded-full bg-gray-400" />
                            </div>
                            <div className="flex-1 h-px bg-gradient-to-l from-transparent via-gray-200 to-gray-200" />
                        </div>

                        {/* Tabel Riwayat Hasil Stunting */}
                        <HasilStuntingTable data={hasilData ?? []} pengguna={pengguna} />

                    </div>
                </div>
            </main>
        </div>
    )
}