<?php

/*
 * Core PHP Framework
 *
 * Licensed under the European Union Public Licence (EUPL) v1.2.
 * See LICENSE file for details.
 */

declare(strict_types=1);

use Livewire\Attributes\Computed;
use Livewire\Component;
use Livewire\Livewire;

/**
 * Tests for ServiceManager modal component patterns.
 *
 * These tests verify the ServiceManager behaviour using test doubles:
 * opening/closing the edit modal, form validation, field population
 * from data, form reset on close, service toggling, table rendering,
 * and sync operations.
 */

// =============================================================================
// Test Double Components
// =============================================================================

/**
 * ServiceManager-style component with CRUD modal and table display.
 */
class ServiceManagerModalDouble extends Component
{
    public bool $showModal = false;

    public ?int $editingId = null;

    // Editable form fields
    public string $name = '';

    public string $tagline = '';

    public string $description = '';

    public string $icon = '';

    public string $color = '';

    public string $marketing_domain = '';

    public string $marketing_url = '';

    public string $docs_url = '';

    public bool $is_enabled = true;

    public bool $is_public = true;

    public bool $is_featured = false;

    public int $sort_order = 50;

    // Read-only fields
    public string $code = '';

    public string $module = '';

    public string $entitlement_code = '';

    // Simulated service data
    public array $serviceData = [];

    // Track actions
    public array $flashMessages = [];

    public function mount(): void
    {
        $this->serviceData = [
            [
                'id' => 1,
                'code' => 'social',
                'module' => 'Core\\Mod\\Social',
                'name' => 'Social',
                'tagline' => 'Social media management',
                'description' => 'Full social media management platform.',
                'icon' => 'fa-share-nodes',
                'color' => 'blue',
                'marketing_domain' => 'social.lthn.sh',
                'marketing_url' => 'https://social.lthn.sh',
                'docs_url' => 'https://docs.lthn.sh/social',
                'is_enabled' => true,
                'is_public' => true,
                'is_featured' => true,
                'entitlement_code' => 'core.srv.social',
                'sort_order' => 10,
            ],
            [
                'id' => 2,
                'code' => 'analytics',
                'module' => 'Core\\Mod\\Analytics',
                'name' => 'Analytics',
                'tagline' => 'Privacy-focused analytics',
                'description' => 'Website analytics without cookies.',
                'icon' => 'fa-chart-line',
                'color' => 'cyan',
                'marketing_domain' => '',
                'marketing_url' => '',
                'docs_url' => '',
                'is_enabled' => true,
                'is_public' => true,
                'is_featured' => false,
                'entitlement_code' => 'core.srv.analytics',
                'sort_order' => 20,
            ],
            [
                'id' => 3,
                'code' => 'legacy-api',
                'module' => 'Core\\Mod\\Legacy',
                'name' => 'Legacy API',
                'tagline' => null,
                'description' => null,
                'icon' => '',
                'color' => '',
                'marketing_domain' => '',
                'marketing_url' => '',
                'docs_url' => '',
                'is_enabled' => false,
                'is_public' => false,
                'is_featured' => false,
                'entitlement_code' => '',
                'sort_order' => 99,
            ],
        ];
    }

    protected function rules(): array
    {
        return [
            'name' => ['required', 'string', 'max:100'],
            'tagline' => ['nullable', 'string', 'max:200'],
            'description' => ['nullable', 'string', 'max:2000'],
            'icon' => ['nullable', 'string', 'max:50'],
            'color' => ['nullable', 'string', 'max:20'],
            'marketing_domain' => ['nullable', 'string', 'max:100'],
            'marketing_url' => ['nullable', 'url', 'max:255'],
            'docs_url' => ['nullable', 'url', 'max:255'],
            'is_enabled' => ['boolean'],
            'is_public' => ['boolean'],
            'is_featured' => ['boolean'],
            'sort_order' => ['integer', 'min:0', 'max:999'],
        ];
    }

    public function openEdit(int $id): void
    {
        $service = collect($this->serviceData)->firstWhere('id', $id);
        if (! $service) {
            return;
        }

        $this->editingId = $id;

        // Read-only fields
        $this->code = $service['code'];
        $this->module = $service['module'];
        $this->entitlement_code = $service['entitlement_code'] ?? '';

        // Editable fields
        $this->name = $service['name'];
        $this->tagline = $service['tagline'] ?? '';
        $this->description = $service['description'] ?? '';
        $this->icon = $service['icon'] ?? '';
        $this->color = $service['color'] ?? '';
        $this->marketing_domain = $service['marketing_domain'] ?? '';
        $this->marketing_url = $service['marketing_url'] ?? '';
        $this->docs_url = $service['docs_url'] ?? '';
        $this->is_enabled = $service['is_enabled'];
        $this->is_public = $service['is_public'];
        $this->is_featured = $service['is_featured'];
        $this->sort_order = $service['sort_order'];

        $this->showModal = true;
    }

    public function save(): void
    {
        $this->validate();

        // Simulate updating the service in our data array
        $this->serviceData = collect($this->serviceData)->map(function ($s) {
            if ($s['id'] === $this->editingId) {
                $s['name'] = $this->name;
                $s['tagline'] = $this->tagline ?: null;
                $s['description'] = $this->description ?: null;
                $s['icon'] = $this->icon ?: null;
                $s['color'] = $this->color ?: null;
                $s['marketing_domain'] = $this->marketing_domain ?: null;
                $s['marketing_url'] = $this->marketing_url ?: null;
                $s['docs_url'] = $this->docs_url ?: null;
                $s['is_enabled'] = $this->is_enabled;
                $s['is_public'] = $this->is_public;
                $s['is_featured'] = $this->is_featured;
                $s['sort_order'] = $this->sort_order;
            }

            return $s;
        })->all();

        $this->flashMessages[] = 'Service updated successfully.';
        $this->closeModal();
    }

    public function toggleEnabled(int $id): void
    {
        $this->serviceData = collect($this->serviceData)->map(function ($s) use ($id) {
            if ($s['id'] === $id) {
                $s['is_enabled'] = ! $s['is_enabled'];
                $status = $s['is_enabled'] ? 'enabled' : 'disabled';
                $this->flashMessages[] = "{$s['name']} has been {$status}.";
            }

            return $s;
        })->all();
    }

    public function syncFromModules(): void
    {
        $this->flashMessages[] = 'Services synced from modules successfully.';
    }

    public function closeModal(): void
    {
        $this->showModal = false;
        $this->resetForm();
    }

    protected function resetForm(): void
    {
        $this->editingId = null;
        $this->code = '';
        $this->module = '';
        $this->entitlement_code = '';
        $this->name = '';
        $this->tagline = '';
        $this->description = '';
        $this->icon = '';
        $this->color = '';
        $this->marketing_domain = '';
        $this->marketing_url = '';
        $this->docs_url = '';
        $this->is_enabled = true;
        $this->is_public = true;
        $this->is_featured = false;
        $this->sort_order = 50;
    }

    #[Computed]
    public function services(): array
    {
        return $this->serviceData;
    }

    #[Computed]
    public function tableColumns(): array
    {
        return [
            'Service',
            'Code',
            'Domain',
            ['label' => 'Entitlement', 'align' => 'center'],
            ['label' => 'Status', 'align' => 'center'],
            ['label' => 'Actions', 'align' => 'center'],
        ];
    }

    #[Computed]
    public function enabledCount(): int
    {
        return count(array_filter($this->serviceData, fn ($s) => $s['is_enabled']));
    }

    #[Computed]
    public function featuredCount(): int
    {
        return count(array_filter($this->serviceData, fn ($s) => $s['is_featured']));
    }

    public function render(): string
    {
        return <<<'HTML'
            <div>
                <span>Services: {{ count($this->services) }}</span>
                <span>Enabled: {{ $this->enabledCount }}</span>
                <span>Featured: {{ $this->featuredCount }}</span>
                @if($showModal)
                    <div class="edit-modal">
                        <h2>Edit: {{ $name }}</h2>
                        <span>Code: {{ $code }}</span>
                        <span>Module: {{ $module }}</span>
                    </div>
                @endif
                @foreach($flashMessages as $msg)
                    <div class="flash">{{ $msg }}</div>
                @endforeach
            </div>
        HTML;
    }
}

// =============================================================================
// Initial State Tests
// =============================================================================

describe('ServiceManager initial state', function () {
    it('starts with modal closed', function () {
        Livewire::test(ServiceManagerModalDouble::class)
            ->assertSet('showModal', false)
            ->assertSet('editingId', null);
    });

    it('loads service data on mount', function () {
        Livewire::test(ServiceManagerModalDouble::class)
            ->assertSet('serviceData', fn ($data) => count($data) === 3);
    });

    it('shows service count', function () {
        Livewire::test(ServiceManagerModalDouble::class)
            ->assertSee('Services: 3');
    });

    it('counts enabled services correctly', function () {
        Livewire::test(ServiceManagerModalDouble::class)
            ->assertSee('Enabled: 2');
    });

    it('counts featured services correctly', function () {
        Livewire::test(ServiceManagerModalDouble::class)
            ->assertSee('Featured: 1');
    });

    it('has correct default form values', function () {
        Livewire::test(ServiceManagerModalDouble::class)
            ->assertSet('is_enabled', true)
            ->assertSet('is_public', true)
            ->assertSet('is_featured', false)
            ->assertSet('sort_order', 50);
    });
});

// =============================================================================
// Open Edit Modal Tests
// =============================================================================

describe('ServiceManager edit modal opening', function () {
    it('opens modal and populates all fields', function () {
        Livewire::test(ServiceManagerModalDouble::class)
            ->call('openEdit', 1)
            ->assertSet('showModal', true)
            ->assertSet('editingId', 1)
            ->assertSet('name', 'Social')
            ->assertSet('tagline', 'Social media management')
            ->assertSet('code', 'social')
            ->assertSet('module', 'Core\\Mod\\Social')
            ->assertSet('entitlement_code', 'core.srv.social')
            ->assertSet('icon', 'fa-share-nodes')
            ->assertSet('color', 'blue')
            ->assertSet('marketing_domain', 'social.lthn.sh')
            ->assertSet('marketing_url', 'https://social.lthn.sh')
            ->assertSet('docs_url', 'https://docs.lthn.sh/social')
            ->assertSet('is_enabled', true)
            ->assertSet('is_public', true)
            ->assertSet('is_featured', true)
            ->assertSet('sort_order', 10);
    });

    it('renders edit modal with service name', function () {
        Livewire::test(ServiceManagerModalDouble::class)
            ->call('openEdit', 1)
            ->assertSee('Edit: Social')
            ->assertSee('Code: social')
            ->assertSee('Module: Core\\Mod\\Social');
    });

    it('populates fields for service with empty optional fields', function () {
        Livewire::test(ServiceManagerModalDouble::class)
            ->call('openEdit', 3)
            ->assertSet('showModal', true)
            ->assertSet('name', 'Legacy API')
            ->assertSet('tagline', '')
            ->assertSet('description', '')
            ->assertSet('icon', '')
            ->assertSet('marketing_domain', '')
            ->assertSet('is_enabled', false)
            ->assertSet('is_public', false)
            ->assertSet('is_featured', false)
            ->assertSet('sort_order', 99);
    });

    it('does nothing for non-existent service id', function () {
        Livewire::test(ServiceManagerModalDouble::class)
            ->call('openEdit', 999)
            ->assertSet('showModal', false)
            ->assertSet('editingId', null);
    });

    it('can open different services sequentially', function () {
        Livewire::test(ServiceManagerModalDouble::class)
            ->call('openEdit', 1)
            ->assertSet('name', 'Social')
            ->call('closeModal')
            ->call('openEdit', 2)
            ->assertSet('name', 'Analytics')
            ->assertSet('code', 'analytics');
    });
});

// =============================================================================
// Close Modal and Form Reset Tests
// =============================================================================

describe('ServiceManager close modal', function () {
    it('closes modal and resets all form fields', function () {
        Livewire::test(ServiceManagerModalDouble::class)
            ->call('openEdit', 1)
            ->call('closeModal')
            ->assertSet('showModal', false)
            ->assertSet('editingId', null)
            ->assertSet('code', '')
            ->assertSet('module', '')
            ->assertSet('entitlement_code', '')
            ->assertSet('name', '')
            ->assertSet('tagline', '')
            ->assertSet('description', '')
            ->assertSet('icon', '')
            ->assertSet('color', '')
            ->assertSet('marketing_domain', '')
            ->assertSet('marketing_url', '')
            ->assertSet('docs_url', '')
            ->assertSet('is_enabled', true)
            ->assertSet('is_public', true)
            ->assertSet('is_featured', false)
            ->assertSet('sort_order', 50);
    });

    it('does not show modal content after closing', function () {
        Livewire::test(ServiceManagerModalDouble::class)
            ->call('openEdit', 1)
            ->assertSee('Edit: Social')
            ->call('closeModal')
            ->assertDontSee('Edit: Social');
    });
});

// =============================================================================
// Form Validation Tests
// =============================================================================

describe('ServiceManager form validation', function () {
    it('validates required name', function () {
        Livewire::test(ServiceManagerModalDouble::class)
            ->call('openEdit', 1)
            ->set('name', '')
            ->call('save')
            ->assertHasErrors(['name']);
    });

    it('validates name max length', function () {
        Livewire::test(ServiceManagerModalDouble::class)
            ->call('openEdit', 1)
            ->set('name', str_repeat('A', 101))
            ->call('save')
            ->assertHasErrors(['name']);
    });

    it('validates tagline max length', function () {
        Livewire::test(ServiceManagerModalDouble::class)
            ->call('openEdit', 1)
            ->set('tagline', str_repeat('A', 201))
            ->call('save')
            ->assertHasErrors(['tagline']);
    });

    it('validates description max length', function () {
        Livewire::test(ServiceManagerModalDouble::class)
            ->call('openEdit', 1)
            ->set('description', str_repeat('A', 2001))
            ->call('save')
            ->assertHasErrors(['description']);
    });

    it('validates marketing_url format', function () {
        Livewire::test(ServiceManagerModalDouble::class)
            ->call('openEdit', 1)
            ->set('marketing_url', 'not-a-url')
            ->call('save')
            ->assertHasErrors(['marketing_url']);
    });

    it('validates docs_url format', function () {
        Livewire::test(ServiceManagerModalDouble::class)
            ->call('openEdit', 1)
            ->set('docs_url', 'invalid')
            ->call('save')
            ->assertHasErrors(['docs_url']);
    });

    it('validates sort_order range', function () {
        Livewire::test(ServiceManagerModalDouble::class)
            ->call('openEdit', 1)
            ->set('sort_order', 1000)
            ->call('save')
            ->assertHasErrors(['sort_order']);
    });

    it('validates sort_order minimum', function () {
        Livewire::test(ServiceManagerModalDouble::class)
            ->call('openEdit', 1)
            ->set('sort_order', -1)
            ->call('save')
            ->assertHasErrors(['sort_order']);
    });

    it('accepts valid form data', function () {
        Livewire::test(ServiceManagerModalDouble::class)
            ->call('openEdit', 1)
            ->set('name', 'Updated Social')
            ->set('tagline', 'New tagline')
            ->set('marketing_url', 'https://new.example.com')
            ->set('docs_url', 'https://docs.example.com')
            ->set('sort_order', 5)
            ->call('save')
            ->assertHasNoErrors();
    });

    it('accepts nullable optional fields', function () {
        Livewire::test(ServiceManagerModalDouble::class)
            ->call('openEdit', 1)
            ->set('tagline', '')
            ->set('description', '')
            ->set('icon', '')
            ->set('color', '')
            ->set('marketing_domain', '')
            ->set('marketing_url', '')
            ->set('docs_url', '')
            ->call('save')
            ->assertHasNoErrors(['tagline', 'description', 'icon', 'color', 'marketing_domain', 'marketing_url', 'docs_url']);
    });
});

// =============================================================================
// Save and Update Tests
// =============================================================================

describe('ServiceManager save', function () {
    it('updates service data on save', function () {
        Livewire::test(ServiceManagerModalDouble::class)
            ->call('openEdit', 1)
            ->set('name', 'Social Pro')
            ->set('is_featured', false)
            ->call('save')
            ->assertHasNoErrors()
            ->assertSet('showModal', false)
            ->assertSet('serviceData', fn ($data) => $data[0]['name'] === 'Social Pro'
                && $data[0]['is_featured'] === false);
    });

    it('records success message on save', function () {
        Livewire::test(ServiceManagerModalDouble::class)
            ->call('openEdit', 1)
            ->call('save')
            ->assertSee('Service updated successfully.');
    });

    it('closes modal after successful save', function () {
        Livewire::test(ServiceManagerModalDouble::class)
            ->call('openEdit', 1)
            ->call('save')
            ->assertSet('showModal', false)
            ->assertSet('editingId', null);
    });

    it('preserves other services when updating one', function () {
        Livewire::test(ServiceManagerModalDouble::class)
            ->call('openEdit', 1)
            ->set('name', 'Updated Name')
            ->call('save')
            ->assertSet('serviceData', fn ($data) => $data[1]['name'] === 'Analytics'
                && $data[2]['name'] === 'Legacy API');
    });
});

// =============================================================================
// Toggle Enabled Tests
// =============================================================================

describe('ServiceManager toggle enabled', function () {
    it('disables an enabled service', function () {
        Livewire::test(ServiceManagerModalDouble::class)
            ->call('toggleEnabled', 1)
            ->assertSet('serviceData', fn ($data) => $data[0]['is_enabled'] === false)
            ->assertSee('Social has been disabled.');
    });

    it('enables a disabled service', function () {
        Livewire::test(ServiceManagerModalDouble::class)
            ->call('toggleEnabled', 3)
            ->assertSet('serviceData', fn ($data) => $data[2]['is_enabled'] === true)
            ->assertSee('Legacy API has been enabled.');
    });

    it('toggles without opening the modal', function () {
        Livewire::test(ServiceManagerModalDouble::class)
            ->call('toggleEnabled', 1)
            ->assertSet('showModal', false);
    });

    it('can toggle the same service twice', function () {
        Livewire::test(ServiceManagerModalDouble::class)
            ->call('toggleEnabled', 1)
            ->assertSet('serviceData', fn ($data) => $data[0]['is_enabled'] === false)
            ->call('toggleEnabled', 1)
            ->assertSet('serviceData', fn ($data) => $data[0]['is_enabled'] === true);
    });

    it('updates enabled count after toggling', function () {
        Livewire::test(ServiceManagerModalDouble::class)
            ->assertSee('Enabled: 2')
            ->call('toggleEnabled', 1)
            ->assertSee('Enabled: 1');
    });
});

// =============================================================================
// Sync From Modules Tests
// =============================================================================

describe('ServiceManager sync from modules', function () {
    it('records sync success message', function () {
        Livewire::test(ServiceManagerModalDouble::class)
            ->call('syncFromModules')
            ->assertSee('Services synced from modules successfully.');
    });
});

// =============================================================================
// Table Structure Tests
// =============================================================================

describe('ServiceManager table structure', function () {
    it('has correct table columns', function () {
        Livewire::test(ServiceManagerModalDouble::class)
            ->assertSet(fn ($component) => count($component->tableColumns) === 6
                && $component->tableColumns[0] === 'Service'
                && $component->tableColumns[1] === 'Code'
                && $component->tableColumns[2] === 'Domain');
    });

    it('has alignment config for status and actions columns', function () {
        Livewire::test(ServiceManagerModalDouble::class)
            ->assertSet(fn ($component) => $component->tableColumns[4]['label'] === 'Status'
                && $component->tableColumns[4]['align'] === 'center'
                && $component->tableColumns[5]['label'] === 'Actions'
                && $component->tableColumns[5]['align'] === 'center');
    });
});

// =============================================================================
// Edge Cases
// =============================================================================

describe('ServiceManager edge cases', function () {
    it('handles editing fields while modal is open', function () {
        Livewire::test(ServiceManagerModalDouble::class)
            ->call('openEdit', 1)
            ->set('name', 'Changed')
            ->assertSet('name', 'Changed')
            ->assertSet('editingId', 1) // Still editing same service
            ->assertSet('code', 'social'); // Read-only unchanged
    });

    it('handles rapid open/close without saving', function () {
        $component = Livewire::test(ServiceManagerModalDouble::class);

        for ($i = 0; $i < 5; $i++) {
            $component->call('openEdit', 1)
                ->assertSet('showModal', true)
                ->call('closeModal')
                ->assertSet('showModal', false);
        }

        // Original data should be unchanged
        $component->assertSet('serviceData', fn ($data) => $data[0]['name'] === 'Social');
    });

    it('preserves service data across multiple edits', function () {
        Livewire::test(ServiceManagerModalDouble::class)
            ->call('openEdit', 1)
            ->set('name', 'Social v2')
            ->call('save')
            ->call('openEdit', 2)
            ->set('name', 'Analytics v2')
            ->call('save')
            ->assertSet('serviceData', fn ($data) => $data[0]['name'] === 'Social v2'
                && $data[1]['name'] === 'Analytics v2'
                && $data[2]['name'] === 'Legacy API');
    });
});