<?php

use App\Models\Holiday;
use App\Models\Pto;
use App\Models\Role;
use App\Models\TeamMember;
use App\Models\TeamMemberAvailability;
use App\Models\User;
use App\Services\CapacityService;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Tests\TestCase;

use function Pest\Laravel\assertDatabaseHas;

/**
 * @mixin \Tests\TestCase
 */
uses(TestCase::class, RefreshDatabase::class);

test('4.1.11 GET /api/capacity calculates individual capacity', function () {
    $token = loginAsManager($this);
    $role = Role::factory()->create();
    $teamMember = TeamMember::factory()->create(['role_id' => $role->id]);

    $response = $this->getJson("/api/capacity?month=2026-02&team_member_id={$teamMember->id}", [
        'Authorization' => "Bearer {$token}",
    ]);

    $response->assertStatus(200);
    $service = app(CapacityService::class);
    $capacity = $service->calculateIndividualCapacity($teamMember->id, '2026-02');
    $expected = [
        'data' => [
            'team_member_id' => $teamMember->id,
            'month' => '2026-02',
            'working_days' => $service->calculateWorkingDays('2026-02'),
            'person_days' => $capacity['person_days'],
            'hours' => $capacity['hours'],
            'details' => $capacity['details'],
        ],
    ];

    $response->assertExactJson($expected);
});

test('4.1.12 Capacity accounts for availability', function () {
    $token = loginAsManager($this);
    $role = Role::factory()->create();
    $member = TeamMember::factory()->create(['role_id' => $role->id]);

    TeamMemberAvailability::factory()->forDate('2026-02-03')->availability(0.5)->create(['team_member_id' => $member->id]);
    TeamMemberAvailability::factory()->forDate('2026-02-04')->availability(0.0)->create(['team_member_id' => $member->id]);

    $response = $this->getJson("/api/capacity?month=2026-02&team_member_id={$member->id}", [
        'Authorization' => "Bearer {$token}",
    ]);

    $response->assertStatus(200);
    $details = collect($response->json('data.details'));

    expect($details->firstWhere('date', '2026-02-03')['availability'])->toBe(0.5);
    expect($details->firstWhere('date', '2026-02-04')['availability'])->toBe(0);
});

test('4.1.13 Capacity subtracts PTO', function () {
    $token = loginAsManager($this);
    $role = Role::factory()->create();
    $member = TeamMember::factory()->create(['role_id' => $role->id]);

    Pto::create([
        'team_member_id' => $member->id,
        'start_date' => '2026-02-10',
        'end_date' => '2026-02-12',
        'reason' => 'Vacation',
        'status' => 'approved',
    ]);

    $response = $this->getJson("/api/capacity?month=2026-02&team_member_id={$member->id}", [
        'Authorization' => "Bearer {$token}",
    ]);

    $response->assertStatus(200);
    $details = collect($response->json('data.details'));

    expect($details->where('is_pto', true)->count())->toBe(3);
    expect($details->firstWhere('date', '2026-02-11')['availability'])->toBe(0);
});

test('4.1.14 Capacity subtracts holidays', function () {
    $token = loginAsManager($this);
    $role = Role::factory()->create();
    $member = TeamMember::factory()->create(['role_id' => $role->id]);

    Holiday::create([
        'date' => '2026-02-17',
        'name' => 'Presidents Day',
        'description' => 'Company wide',
    ]);

    $response = $this->getJson("/api/capacity?month=2026-02&team_member_id={$member->id}", [
        'Authorization' => "Bearer {$token}",
    ]);

    $response->assertStatus(200);
    $dates = collect($response->json('details'))->pluck('date');

    expect($dates)->not->toContain('2026-02-17');
});

test('4.1.15 GET /api/capacity/team sums active members', function () {
    $token = loginAsManager($this);
    $role = Role::factory()->create();
    $activeA = TeamMember::factory()->create(['role_id' => $role->id]);
    $activeB = TeamMember::factory()->create(['role_id' => $role->id]);
    TeamMember::factory()->inactive()->create(['role_id' => $role->id]);

    $expectedDays = 0;
    $expectedHours = 0;

    foreach ([$activeA, $activeB] as $member) {
        $capacity = app(CapacityService::class)->calculateIndividualCapacity($member->id, '2026-02');
        $expectedDays += $capacity['person_days'];
        $expectedHours += $capacity['hours'];
    }

    $response = $this->getJson('/api/capacity/team?month=2026-02', [
        'Authorization' => "Bearer {$token}",
    ]);

    $response->assertStatus(200);
    $response->assertJsonCount(2, 'data.members');
    expect(round($response->json('data.person_days'), 2))->toBe(round($expectedDays, 2));
    expect($response->json('data.hours'))->toBe($expectedHours);
});

test('4.1.16 GET /api/capacity/revenue calculates possible revenue', function () {
    $token = loginAsManager($this);
    $role = Role::factory()->create();
    TeamMember::factory()->create(['role_id' => $role->id, 'hourly_rate' => 150]);
    TeamMember::factory()->create(['role_id' => $role->id, 'hourly_rate' => 125]);

    $expectedRevenue = app(CapacityService::class)->calculatePossibleRevenue('2026-02');

    $response = $this->getJson('/api/capacity/revenue?month=2026-02', [
        'Authorization' => "Bearer {$token}",
    ]);

    $response->assertStatus(200);
    $response->assertJsonPath('data.possible_revenue', $expectedRevenue);
});

test('4.1.17 POST /api/holidays creates holiday', function () {
    $token = loginAsManager($this);

    $response = $this->postJson('/api/holidays', [
        'date' => '2026-02-20',
        'name' => 'Test Holiday',
        'description' => 'Test description',
    ], [
        'Authorization' => "Bearer {$token}",
    ]);

    $response->assertStatus(201);
    assertDatabaseHas('holidays', ['date' => '2026-02-20 00:00:00', 'name' => 'Test Holiday']);
});

test('4.1.18 POST /api/ptos creates PTO request', function () {
    $token = loginAsManager($this);
    $role = Role::factory()->create();
    $member = TeamMember::factory()->create(['role_id' => $role->id]);

    $response = $this->postJson('/api/ptos', [
        'team_member_id' => $member->id,
        'start_date' => '2026-02-10',
        'end_date' => '2026-02-11',
        'reason' => 'Refresh',
    ], [
        'Authorization' => "Bearer {$token}",
    ]);

    $response->assertStatus(201);
    $response->assertJson(['status' => 'pending']);
    assertDatabaseHas('ptos', ['team_member_id' => $member->id, 'status' => 'pending']);
});

function loginAsManager(TestCase $test): string
{
    $user = User::factory()->create([
        'email' => 'manager@example.com',
        'password' => bcrypt('password123'),
        'role' => 'manager',
        'active' => true,
    ]);

    $response = $test->postJson('/api/auth/login', [
        'email' => 'manager@example.com',
        'password' => 'password123',
    ]);

    return $response->json('access_token');
}