<?php

namespace Tests\Feature;

use App\Http\Middleware\EnsurePlatformSession;
use App\Models\Branch;
use App\Models\Member;
use App\Models\Organization;
use App\Models\User;
use App\Services\Frontdesk\PlanService;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\Http;
use Tests\TestCase;

class FrontdeskProTest extends TestCase
{
    use RefreshDatabase;

    protected User $owner;

    protected Organization $organization;

    protected function setUp(): void
    {
        parent::setUp();
        $this->withoutMiddleware(EnsurePlatformSession::class);
        config(['billing.api_url' => 'https://billing.test']);

        $this->owner = User::create([
            'public_id' => 'pro-owner-001',
            'name' => 'Owner',
            'email' => 'owner@example.com',
        ]);

        $this->organization = Organization::create([
            'owner_ref' => $this->owner->public_id,
            'name' => 'Pro Org',
            'slug' => 'pro-org',
            'settings' => ['onboarded' => true, 'badge_expiry_hours' => 8],
        ]);

        Member::create([
            'owner_ref' => $this->owner->public_id,
            'organization_id' => $this->organization->id,
            'user_ref' => $this->owner->public_id,
            'role' => 'org_admin',
        ]);

        Branch::create([
            'owner_ref' => $this->owner->public_id,
            'organization_id' => $this->organization->id,
            'name' => 'HQ',
            'is_active' => true,
        ]);
    }

    public function test_pro_page_renders_three_tier_pricing(): void
    {
        $this->actingAs($this->owner)
            ->get(route('frontdesk.pro.index'))
            ->assertOk()
            ->assertSee('Choose your Frontdesk plan')
            ->assertSee('GHS 990')
            ->assertSee('/branch/mo')
            ->assertSee('GHS 1,990')
            ->assertSee('Enterprise')
            ->assertSee('Branches');
    }

    public function test_sidebar_shows_upgrade_to_pro_on_dashboard(): void
    {
        $this->actingAs($this->owner)
            ->get(route('frontdesk.dashboard'))
            ->assertOk()
            ->assertSee('Upgrade to Pro')
            ->assertSee('Unlock Frontdesk Pro or Enterprise')
            ->assertSee('View plans');
    }

    public function test_subscribe_upgrades_organization(): void
    {
        Http::fake([
            'billing.test/can-afford*' => Http::response(['affordable' => true]),
            'billing.test/debit' => Http::response(['ok' => true]),
        ]);

        $this->actingAs($this->owner)
            ->post(route('frontdesk.pro.subscribe'), [
                'branches' => 1,
            ])
            ->assertRedirect(route('frontdesk.pro.index'))
            ->assertSessionHas('success');

        $settings = $this->organization->fresh()->settings;
        $this->assertSame('pro', $settings['plan']);
        $this->assertSame('wallet_monthly', $settings['billing_method']);
        $this->assertSame(1, (int) ($settings['billed_branches'] ?? 0));
    }

    public function test_subscribe_defaults_branches_when_omitted(): void
    {
        $rate = app(PlanService::class)->proPricePerBranchMinor();

        Http::fake([
            'billing.test/can-afford*' => Http::response(['affordable' => true]),
            'billing.test/debit' => Http::response(['ok' => true]),
        ]);

        $this->actingAs($this->owner)
            ->post(route('frontdesk.settings.upgrade'))
            ->assertRedirect(route('frontdesk.pro.index'))
            ->assertSessionHas('success');

        Http::assertSent(function ($request) use ($rate) {
            return $request->url() === 'https://billing.test/debit'
                && (int) $request['amount_minor'] === $rate;
        });

        $this->assertSame(1, (int) ($this->organization->fresh()->settings['billed_branches'] ?? 0));
    }

    public function test_subscribe_charges_per_branch_for_multiple_seats(): void
    {
        Branch::create([
            'owner_ref' => $this->owner->public_id,
            'organization_id' => $this->organization->id,
            'name' => 'East',
            'is_active' => true,
        ]);
        Branch::create([
            'owner_ref' => $this->owner->public_id,
            'organization_id' => $this->organization->id,
            'name' => 'West',
            'is_active' => true,
        ]);

        $rate = app(PlanService::class)->proPricePerBranchMinor();
        $expected = $rate * 3;

        Http::fake([
            'billing.test/can-afford*' => Http::response(['affordable' => true]),
            'billing.test/debit' => Http::response(['ok' => true]),
        ]);

        $this->actingAs($this->owner)
            ->post(route('frontdesk.pro.subscribe'), [
                'branches' => 3,
            ])
            ->assertRedirect(route('frontdesk.pro.index'))
            ->assertSessionHas('success');

        Http::assertSent(function ($request) use ($expected) {
            return $request->url() === 'https://billing.test/debit'
                && (int) $request['amount_minor'] === $expected
                && str_contains((string) $request['description'], '3 branch');
        });

        $this->assertSame(3, (int) ($this->organization->fresh()->settings['billed_branches'] ?? 0));
    }

    public function test_subscribe_enterprise_charges_per_branch(): void
    {
        $rate = app(PlanService::class)->enterprisePricePerBranchMinor();
        $expected = $rate * 2;

        Http::fake([
            'billing.test/can-afford*' => Http::response(['affordable' => true]),
            'billing.test/debit' => Http::response(['ok' => true]),
        ]);

        $this->actingAs($this->owner)
            ->post(route('frontdesk.pro.subscribe-enterprise'), [
                'branches' => 2,
            ])
            ->assertRedirect(route('frontdesk.pro.index'))
            ->assertSessionHas('success');

        Http::assertSent(function ($request) use ($expected) {
            return $request->url() === 'https://billing.test/debit'
                && (int) $request['amount_minor'] === $expected
                && (string) $request['source'] === 'frontdesk_enterprise';
        });

        $settings = $this->organization->fresh()->settings;
        $this->assertSame('enterprise', $settings['plan']);
        $this->assertSame(2, (int) ($settings['billed_branches'] ?? 0));
    }

    public function test_subscribe_prepaid_redirects_to_paystack(): void
    {
        Http::fake([
            'billing.test/plan-checkout' => Http::response([
                'checkout_url' => 'https://checkout.paystack.com/test',
                'reference' => 'ref-123',
            ]),
        ]);

        $this->actingAs($this->owner)
            ->post(route('frontdesk.pro.subscribe-prepaid'), [
                'plan' => 'pro',
                'months' => 12,
                'branches' => 1,
            ])
            ->assertRedirect('https://checkout.paystack.com/test');
    }

    public function test_subscribe_prepaid_sends_multi_branch_amount(): void
    {
        $rate = app(PlanService::class)->proPricePerBranchMinor();
        $expected = $rate * 4 * 6;

        Http::fake([
            'billing.test/plan-checkout' => Http::response([
                'checkout_url' => 'https://checkout.paystack.com/multi',
                'reference' => 'ref-multi',
            ]),
        ]);

        $this->actingAs($this->owner)
            ->post(route('frontdesk.pro.subscribe-prepaid'), [
                'plan' => 'pro',
                'months' => 6,
                'branches' => 4,
            ])
            ->assertRedirect('https://checkout.paystack.com/multi');

        Http::assertSent(function ($request) use ($expected) {
            return str_ends_with($request->url(), '/plan-checkout')
                && (int) $request['amount_minor'] === $expected
                && (int) data_get($request, 'metadata.billed_branches') === 4;
        });
    }

    public function test_paystack_callback_activates_prepaid_pro(): void
    {
        Http::fake([
            'billing.test/plan-checkout/verify' => Http::response([
                'paid' => true,
                'plan' => 'pro',
                'months' => 12,
                'metadata' => [
                    'organization_id' => $this->organization->id,
                    'billed_branches' => 3,
                ],
            ]),
        ]);

        $this->actingAs($this->owner)
            ->get(route('frontdesk.pro.paystack.callback', ['reference' => 'ref-123']))
            ->assertRedirect(route('frontdesk.pro.index'))
            ->assertSessionHas('success');

        $settings = $this->organization->fresh()->settings;
        $this->assertSame('pro', $settings['plan']);
        $this->assertFalse($settings['auto_renew']);
        $this->assertSame('paystack_prepaid', $settings['billing_method']);
        $this->assertSame(3, (int) ($settings['billed_branches'] ?? 0));
    }

    public function test_pro_renew_extends_subscription_when_wallet_charges(): void
    {
        $this->organization->update([
            'settings' => [
                'onboarded' => true,
                'plan' => 'pro',
                'auto_renew' => true,
                'billed_branches' => 1,
                'plan_expires_at' => now()->subDay()->toIso8601String(),
            ],
        ]);

        Http::fake([
            'billing.test/debit' => Http::response(['ok' => true]),
        ]);

        $this->artisan('frontdesk:pro-renew')->assertSuccessful();

        $settings = $this->organization->fresh()->settings;
        $this->assertSame('pro', $settings['plan']);
        $this->assertTrue(now()->parse($settings['plan_expires_at'])->isFuture());
    }

    public function test_pro_renew_charges_max_of_billed_and_active_branches(): void
    {
        Branch::create([
            'owner_ref' => $this->owner->public_id,
            'organization_id' => $this->organization->id,
            'name' => 'East',
            'is_active' => true,
        ]);
        // 2 active branches; billed was 1 — true-up to 2.
        $rate = app(PlanService::class)->proPricePerBranchMinor();
        $expected = $rate * 2;

        $this->organization->update([
            'settings' => [
                'onboarded' => true,
                'plan' => 'pro',
                'auto_renew' => true,
                'billed_branches' => 1,
                'plan_expires_at' => now()->subDay()->toIso8601String(),
            ],
        ]);

        Http::fake([
            'billing.test/debit' => Http::response(['ok' => true]),
        ]);

        $this->artisan('frontdesk:pro-renew')->assertSuccessful();

        Http::assertSent(function ($request) use ($expected) {
            return $request->url() === 'https://billing.test/debit'
                && (int) $request['amount_minor'] === $expected
                && str_contains((string) $request['description'], '2 branch');
        });

        $this->assertSame(2, (int) ($this->organization->fresh()->settings['billed_branches'] ?? 0));
    }

    public function test_prepaid_pro_skipped_by_renewal_command(): void
    {
        $this->organization->update([
            'settings' => [
                'onboarded' => true,
                'plan' => 'pro',
                'auto_renew' => false,
                'billing_method' => 'paystack_prepaid',
                'plan_expires_at' => now()->subDay()->toIso8601String(),
            ],
        ]);

        Http::fake();

        $this->artisan('frontdesk:pro-renew')->assertSuccessful();

        Http::assertNothingSent();
    }

    public function test_pro_sidebar_shows_active_label_after_upgrade(): void
    {
        $this->organization->update([
            'settings' => array_merge($this->organization->settings ?? [], [
                'plan' => 'pro',
                'plan_expires_at' => now()->addMonth()->toIso8601String(),
            ]),
        ]);

        $this->actingAs($this->owner)
            ->get(route('frontdesk.dashboard'))
            ->assertOk()
            ->assertSee('Frontdesk Pro')
            ->assertDontSee('Upgrade to Pro');
    }

    public function test_enterprise_sidebar_shows_enterprise_label(): void
    {
        $this->organization->update([
            'settings' => array_merge($this->organization->settings ?? [], [
                'plan' => 'enterprise',
                'plan_expires_at' => now()->addYear()->toIso8601String(),
            ]),
        ]);

        $this->actingAs($this->owner)
            ->get(route('frontdesk.dashboard'))
            ->assertOk()
            ->assertSee('Frontdesk Enterprise')
            ->assertDontSee('Upgrade to Pro');
    }

    public function test_settings_shows_enterprise_as_paid_not_free(): void
    {
        $this->organization->update([
            'settings' => array_merge($this->organization->settings ?? [], [
                'plan' => 'enterprise',
                'billed_branches' => 2,
                'plan_expires_at' => now()->addYear()->toIso8601String(),
            ]),
        ]);

        $this->actingAs($this->owner)
            ->get(route('frontdesk.settings'))
            ->assertOk()
            ->assertSee('Enterprise')
            ->assertSee('Billed for 2')
            ->assertSee('Manage plan')
            ->assertDontSee('Upgrade to Pro');
    }

    public function test_paid_plan_blocks_branch_beyond_allotment(): void
    {
        $this->organization->update([
            'settings' => array_merge($this->organization->settings ?? [], [
                'plan' => 'pro',
                'billed_branches' => 1,
                'plan_expires_at' => now()->addMonth()->toIso8601String(),
            ]),
        ]);

        $this->actingAs($this->owner)
            ->post(route('frontdesk.branches.store'), [
                'name' => 'Overflow Branch',
            ])
            ->assertRedirect()
            ->assertSessionHas('error');

        $this->assertDatabaseMissing('frontdesk_branches', ['name' => 'Overflow Branch']);
    }

    public function test_expand_branches_charges_extra_seats(): void
    {
        $rate = app(PlanService::class)->proPricePerBranchMinor();
        $this->organization->update([
            'settings' => array_merge($this->organization->settings ?? [], [
                'plan' => 'pro',
                'billed_branches' => 1,
                'billing_method' => 'wallet_monthly',
                'plan_expires_at' => now()->addMonth()->toIso8601String(),
            ]),
        ]);

        Http::fake([
            'billing.test/can-afford*' => Http::response(['affordable' => true]),
            'billing.test/debit' => Http::response(['ok' => true]),
        ]);

        $this->actingAs($this->owner)
            ->post(route('frontdesk.pro.expand-branches'), [
                'branches' => 3,
            ])
            ->assertRedirect(route('frontdesk.pro.index'))
            ->assertSessionHas('success');

        Http::assertSent(function ($request) use ($rate) {
            return $request->url() === 'https://billing.test/debit'
                && (int) $request['amount_minor'] === $rate * 2
                && str_contains((string) $request['source'], 'branch_expand');
        });

        $this->assertSame(3, (int) ($this->organization->fresh()->settings['billed_branches'] ?? 0));
    }

    public function test_after_expand_can_create_additional_branch(): void
    {
        $this->organization->update([
            'settings' => array_merge($this->organization->settings ?? [], [
                'plan' => 'pro',
                'billed_branches' => 2,
                'plan_expires_at' => now()->addMonth()->toIso8601String(),
            ]),
        ]);

        $this->actingAs($this->owner)
            ->post(route('frontdesk.branches.store'), [
                'name' => 'Second Branch',
            ])
            ->assertRedirect(route('frontdesk.branches.index'))
            ->assertSessionHas('success');

        $this->assertDatabaseHas('frontdesk_branches', ['name' => 'Second Branch']);
    }
}