<?php

namespace Database\Seeders;

use App\Models\Employee;
use App\Models\Payroll;
use Illuminate\Database\Seeder;

/**
 * PayrollSeeder
 *
 * Membuat data payroll dummy yang realistis dan terhubung ke employee.
 * Seeder ini HARUS dijalankan setelah EmployeeSeeder.
 *
 * Variasi kasus yang di-cover:
 *  - Status 'paid' (bulan lalu) dan 'pending' (bulan ini)
 *  - Karyawan dengan bonus lembur, tunjangan jabatan, tunjangan transport
 *  - Karyawan dengan potongan (BPJS, absen, pinjaman, keterlambatan)
 *  - Karyawan magang (gaji pokok rendah, komponen minimal)
 *  - Karyawan senior dengan tunjangan lengkap
 */
class PayrollSeeder extends Seeder
{
    public function run(): void
    {
        // Helper: hitung net_salary otomatis (sama dengan logika Controller)
        $net = function (int $basic, array $details): int {
            $total = $basic;
            foreach ($details as $item) {
                $total += $item['type'] === 'bonus' ? $item['amount'] : -$item['amount'];
            }
            return max(0, $total);
        };

        // Resolve semua employee sekaligus (1 query, bukan N query)
        $emp = Employee::pluck('id', 'name');

        // Periode referensi
        $bulanLalu = now()->subMonth()->format('Y-m');
        $bulanIni  = now()->format('Y-m');

        // ──────────────────────────────────────────────────────────────
        // DATASET PAYROLL
        // ──────────────────────────────────────────────────────────────
        $records = [];

        // ── 1. JONO JONI — Senior Developer (IT) ─────────────────────
        // Kasus: Karyawan senior, ada bonus proyek + tunjangan lengkap.
        // Bulan lalu: sudah dibayar. Bulan ini: masih pending.
        if (isset($emp['Jono Joni'])) {
            $basicJono = 9_000_000;

            $detailLalu = [
                ['name' => 'Tunjangan Transport',   'type' => 'bonus',     'amount' => 600_000],
                ['name' => 'Tunjangan Makan',        'type' => 'bonus',     'amount' => 450_000],
                ['name' => 'Potongan BPJS Kesehatan','type' => 'deduction', 'amount' => 180_000],
                ['name' => 'Potongan BPJS TK',       'type' => 'deduction', 'amount' =>  90_000],
            ];
            $records[] = [
                'employee_id'  => $emp['Jono Joni'],
                'period'       => $bulanLalu,
                'basic_salary' => $basicJono,
                'details'      => $detailLalu,
                'net_salary'   => $net($basicJono, $detailLalu),
                'status'       => 'paid',
            ];

            $detailIni = [
                ['name' => 'Tunjangan Transport',   'type' => 'bonus',     'amount' => 600_000],
                ['name' => 'Tunjangan Makan',        'type' => 'bonus',     'amount' => 450_000],
                ['name' => 'Bonus Proyek Klien',     'type' => 'bonus',     'amount' => 1_500_000],
                ['name' => 'Potongan BPJS Kesehatan','type' => 'deduction', 'amount' => 180_000],
                ['name' => 'Potongan BPJS TK',       'type' => 'deduction', 'amount' =>  90_000],
            ];
            $records[] = [
                'employee_id'  => $emp['Jono Joni'],
                'period'       => $bulanIni,
                'basic_salary' => $basicJono,
                'details'      => $detailIni,
                'net_salary'   => $net($basicJono, $detailIni),
                'status'       => 'pending',
            ];
        }

        // ── 2. BUDI SANTOSO — Junior Developer (IT) ──────────────────
        // Kasus: Karyawan kontrak, ada potongan keterlambatan.
        if (isset($emp['Budi Santoso'])) {
            $basicBudi = 5_500_000;

            $detailLalu = [
                ['name' => 'Tunjangan Transport',    'type' => 'bonus',     'amount' => 400_000],
                ['name' => 'Tunjangan Makan',         'type' => 'bonus',     'amount' => 350_000],
                ['name' => 'Potongan BPJS TK',        'type' => 'deduction', 'amount' =>  55_000],
                ['name' => 'Potongan Keterlambatan',  'type' => 'deduction', 'amount' => 100_000],
            ];
            $records[] = [
                'employee_id'  => $emp['Budi Santoso'],
                'period'       => $bulanLalu,
                'basic_salary' => $basicBudi,
                'details'      => $detailLalu,
                'net_salary'   => $net($basicBudi, $detailLalu),
                'status'       => 'paid',
            ];

            $detailIni = [
                ['name' => 'Tunjangan Transport',    'type' => 'bonus',     'amount' => 400_000],
                ['name' => 'Tunjangan Makan',         'type' => 'bonus',     'amount' => 350_000],
                ['name' => 'Potongan BPJS TK',        'type' => 'deduction', 'amount' =>  55_000],
            ];
            $records[] = [
                'employee_id'  => $emp['Budi Santoso'],
                'period'       => $bulanIni,
                'basic_salary' => $basicBudi,
                'details'      => $detailIni,
                'net_salary'   => $net($basicBudi, $detailIni),
                'status'       => 'pending',
            ];
        }

        // ── 3. RIZKY FIRMANSYAH — Junior Developer Magang (IT) ───────
        // Kasus: Karyawan magang, komponen sangat minimal, tidak ada BPJS penuh.
        if (isset($emp['Rizky Firmansyah'])) {
            $basicRizky = 5_500_000; // gaji pokok jabatan "Junior Developer"

            $detailIni = [
                ['name' => 'Uang Transport Magang', 'type' => 'bonus',     'amount' => 200_000],
                ['name' => 'Potongan Tidak Hadir',   'type' => 'deduction', 'amount' => 250_000],
            ];
            $records[] = [
                'employee_id'  => $emp['Rizky Firmansyah'],
                'period'       => $bulanIni,
                'basic_salary' => $basicRizky,
                'details'      => $detailIni,
                'net_salary'   => $net($basicRizky, $detailIni),
                'status'       => 'pending',
            ];
        }

        // ── 4. DEWI RAHAYU — Manager HR ──────────────────────────────
        // Kasus: Manajer dengan tunjangan jabatan besar + BPJS penuh.
        if (isset($emp['Dewi Rahayu'])) {
            $basicDewi = 12_000_000;

            $detailLalu = [
                ['name' => 'Tunjangan Jabatan',      'type' => 'bonus',     'amount' => 2_000_000],
                ['name' => 'Tunjangan Transport',    'type' => 'bonus',     'amount' =>   700_000],
                ['name' => 'Tunjangan Makan',         'type' => 'bonus',     'amount' =>   500_000],
                ['name' => 'Potongan BPJS Kesehatan', 'type' => 'deduction', 'amount' =>   240_000],
                ['name' => 'Potongan BPJS TK',        'type' => 'deduction', 'amount' =>   120_000],
                ['name' => 'Potongan PPh 21',         'type' => 'deduction', 'amount' =>   500_000],
            ];
            $records[] = [
                'employee_id'  => $emp['Dewi Rahayu'],
                'period'       => $bulanLalu,
                'basic_salary' => $basicDewi,
                'details'      => $detailLalu,
                'net_salary'   => $net($basicDewi, $detailLalu),
                'status'       => 'paid',
            ];

            $detailIni = [
                ['name' => 'Tunjangan Jabatan',      'type' => 'bonus',     'amount' => 2_000_000],
                ['name' => 'Tunjangan Transport',    'type' => 'bonus',     'amount' =>   700_000],
                ['name' => 'Tunjangan Makan',         'type' => 'bonus',     'amount' =>   500_000],
                ['name' => 'Bonus Kinerja Triwulan', 'type' => 'bonus',     'amount' => 1_000_000],
                ['name' => 'Potongan BPJS Kesehatan', 'type' => 'deduction', 'amount' =>   240_000],
                ['name' => 'Potongan BPJS TK',        'type' => 'deduction', 'amount' =>   120_000],
                ['name' => 'Potongan PPh 21',         'type' => 'deduction', 'amount' =>   600_000],
            ];
            $records[] = [
                'employee_id'  => $emp['Dewi Rahayu'],
                'period'       => $bulanIni,
                'basic_salary' => $basicDewi,
                'details'      => $detailIni,
                'net_salary'   => $net($basicDewi, $detailIni),
                'status'       => 'pending',
            ];
        }

        // ── 5. ANISA PUTRI — HR Specialist ───────────────────────────
        // Kasus: Karyawan tetap biasa, komponen standard.
        if (isset($emp['Anisa Putri'])) {
            $basicAnisa = 5_800_000;

            $detailLalu = [
                ['name' => 'Tunjangan Transport',    'type' => 'bonus',     'amount' => 400_000],
                ['name' => 'Tunjangan Makan',         'type' => 'bonus',     'amount' => 350_000],
                ['name' => 'Potongan BPJS Kesehatan', 'type' => 'deduction', 'amount' => 116_000],
                ['name' => 'Potongan BPJS TK',        'type' => 'deduction', 'amount' =>  58_000],
            ];
            $records[] = [
                'employee_id'  => $emp['Anisa Putri'],
                'period'       => $bulanLalu,
                'basic_salary' => $basicAnisa,
                'details'      => $detailLalu,
                'net_salary'   => $net($basicAnisa, $detailLalu),
                'status'       => 'paid',
            ];
        }

        // ── 6. HENDRA KURNIAWAN — Finance Analyst ────────────────────
        // Kasus: Karyawan lama, ada potongan cicilan pinjaman perusahaan.
        if (isset($emp['Hendra Kurniawan'])) {
            $basicHendra = 7_000_000;

            $detailLalu = [
                ['name' => 'Tunjangan Transport',    'type' => 'bonus',     'amount' => 500_000],
                ['name' => 'Tunjangan Makan',         'type' => 'bonus',     'amount' => 450_000],
                ['name' => 'Potongan BPJS Kesehatan', 'type' => 'deduction', 'amount' => 140_000],
                ['name' => 'Potongan BPJS TK',        'type' => 'deduction', 'amount' =>  70_000],
                ['name' => 'Cicilan Pinjaman',        'type' => 'deduction', 'amount' => 500_000],
            ];
            $records[] = [
                'employee_id'  => $emp['Hendra Kurniawan'],
                'period'       => $bulanLalu,
                'basic_salary' => $basicHendra,
                'details'      => $detailLalu,
                'net_salary'   => $net($basicHendra, $detailLalu),
                'status'       => 'paid',
            ];

            $detailIni = [
                ['name' => 'Tunjangan Transport',    'type' => 'bonus',     'amount' => 500_000],
                ['name' => 'Tunjangan Makan',         'type' => 'bonus',     'amount' => 450_000],
                ['name' => 'Potongan BPJS Kesehatan', 'type' => 'deduction', 'amount' => 140_000],
                ['name' => 'Potongan BPJS TK',        'type' => 'deduction', 'amount' =>  70_000],
                ['name' => 'Cicilan Pinjaman',        'type' => 'deduction', 'amount' => 500_000],
            ];
            $records[] = [
                'employee_id'  => $emp['Hendra Kurniawan'],
                'period'       => $bulanIni,
                'basic_salary' => $basicHendra,
                'details'      => $detailIni,
                'net_salary'   => $net($basicHendra, $detailIni),
                'status'       => 'pending',
            ];
        }

        // ── 7. SARI WULANDARI — Staff Admin Finance (PKWT) ───────────
        // Kasus: Kontrak, ada potongan absen, tidak ada bonus.
        if (isset($emp['Sari Wulandari'])) {
            $basicSari = 4_000_000;

            $detailIni = [
                ['name' => 'Tunjangan Transport',    'type' => 'bonus',     'amount' => 300_000],
                ['name' => 'Potongan Absen',          'type' => 'deduction', 'amount' => 200_000],
                ['name' => 'Potongan BPJS TK',        'type' => 'deduction', 'amount' =>  40_000],
            ];
            $records[] = [
                'employee_id'  => $emp['Sari Wulandari'],
                'period'       => $bulanIni,
                'basic_salary' => $basicSari,
                'details'      => $detailIni,
                'net_salary'   => $net($basicSari, $detailIni),
                'status'       => 'pending',
            ];
        }

        // ── 8. FAJAR NUGROHO — Marketing Staff ───────────────────────
        // Kasus: Marketing, ada bonus komisi penjualan bulan lalu.
        if (isset($emp['Fajar Nugroho'])) {
            $basicFajar = 4_500_000;

            $detailLalu = [
                ['name' => 'Tunjangan Transport',    'type' => 'bonus',     'amount' =>   350_000],
                ['name' => 'Komisi Penjualan',       'type' => 'bonus',     'amount' => 2_000_000],
                ['name' => 'Potongan BPJS TK',        'type' => 'deduction', 'amount' =>    45_000],
            ];
            $records[] = [
                'employee_id'  => $emp['Fajar Nugroho'],
                'period'       => $bulanLalu,
                'basic_salary' => $basicFajar,
                'details'      => $detailLalu,
                'net_salary'   => $net($basicFajar, $detailLalu),
                'status'       => 'paid',
            ];

            $detailIni = [
                ['name' => 'Tunjangan Transport',    'type' => 'bonus',     'amount' => 350_000],
                ['name' => 'Potongan BPJS TK',        'type' => 'deduction', 'amount' =>  45_000],
            ];
            $records[] = [
                'employee_id'  => $emp['Fajar Nugroho'],
                'period'       => $bulanIni,
                'basic_salary' => $basicFajar,
                'details'      => $detailIni,
                'net_salary'   => $net($basicFajar, $detailIni),
                'status'       => 'pending',
            ];
        }

        // ── 9. AGUS PRASETYO — Manager Operations ────────────────────
        // Kasus: Manager senior dengan PPh 21 dan semua tunjangan.
        if (isset($emp['Agus Prasetyo'])) {
            $basicAgus = 12_000_000;

            $detailLalu = [
                ['name' => 'Tunjangan Jabatan',      'type' => 'bonus',     'amount' => 2_500_000],
                ['name' => 'Tunjangan Transport',    'type' => 'bonus',     'amount' =>   700_000],
                ['name' => 'Tunjangan Makan',         'type' => 'bonus',     'amount' =>   500_000],
                ['name' => 'Potongan BPJS Kesehatan', 'type' => 'deduction', 'amount' =>   240_000],
                ['name' => 'Potongan BPJS TK',        'type' => 'deduction', 'amount' =>   120_000],
                ['name' => 'Potongan PPh 21',         'type' => 'deduction', 'amount' =>   650_000],
            ];
            $records[] = [
                'employee_id'  => $emp['Agus Prasetyo'],
                'period'       => $bulanLalu,
                'basic_salary' => $basicAgus,
                'details'      => $detailLalu,
                'net_salary'   => $net($basicAgus, $detailLalu),
                'status'       => 'paid',
            ];
        }

        // ──────────────────────────────────────────────────────────────
        // Insert semua record
        // ──────────────────────────────────────────────────────────────
        foreach ($records as $data) {
            Payroll::create($data);
        }

        $this->command->info('PayrollSeeder: ' . count($records) . ' slip gaji berhasil dibuat.');
    }
}