<?php

namespace Tests\Feature\Projects;

use App\Actions\ProjectPermissions\ProjectPermissionService;
use App\Actions\ProjectTicketMetadata\InitializeProjectTicketMetadata;
use App\Models\BoardColumn;
use App\Models\Project;
use App\Models\Team;
use App\Models\Ticket;
use App\Models\TicketPriority;
use App\Models\User;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Inertia\Testing\AssertableInertia as Assert;
use Tests\TestCase;

class ProjectControllerTest extends TestCase
{
    use RefreshDatabase;

    /**
     * Ensure guests cannot access authenticated project pages.
     */
    public function test_guests_are_redirected_from_project_pages(): void
    {
        $this->get(route('projects.index'))
            ->assertRedirect(route('login'));

        $this->get(route('projects.create'))
            ->assertRedirect(route('login'));
    }

    /**
     * Ensure authenticated users can view the projects index.
     */
    public function test_authenticated_users_can_view_the_projects_index(): void
    {
        $user = User::factory()->admin()->create();
        $firstProject = Project::factory()->create([
            'name' => 'Core Platform',
            'key' => 'CORE',
        ]);
        $secondProject = Project::factory()->create([
            'name' => 'Authentication',
            'key' => 'AUTH',
        ]);

        $this->actingAs($user)
            ->get(route('projects.index'))
            ->assertOk()
            ->assertInertia(fn (Assert $page) => $page
                ->component('projects/Index')
                ->has('projects', 2)
                ->where('projects.0.id', $secondProject->id)
                ->where('projects.1.id', $firstProject->id),
            );
    }

    /**
     * Ensure non-admin users only see projects they can access directly or through teams.
     */
    public function test_users_only_see_accessible_projects_on_the_index(): void
    {
        $user = User::factory()->create();
        $team = Team::factory()->create([
            'name' => 'Platform Team',
        ]);
        $team->users()->attach($user);

        $directProject = Project::factory()->create([
            'name' => 'Direct Access',
            'key' => 'DIR',
        ]);
        $teamProject = Project::factory()->create([
            'name' => 'Team Access',
            'key' => 'TEAM',
        ]);
        Project::factory()->create([
            'name' => 'Hidden Project',
            'key' => 'HIDE',
        ]);

        $projectPermissionService = app(ProjectPermissionService::class);
        $projectPermissionService->syncUserPermissions($directProject, $user, ['view']);
        $projectPermissionService->syncTeamPermissions($teamProject, $team, ['view']);

        $this->actingAs($user)
            ->get(route('projects.index'))
            ->assertOk()
            ->assertInertia(fn (Assert $page) => $page
                ->component('projects/Index')
                ->has('projects', 2)
                ->where('projects.0.id', $teamProject->id)
                ->where('projects.1.id', $directProject->id),
            );
    }

    /**
     * Ensure authenticated users can view the project creation screen.
     */
    public function test_authenticated_users_can_view_the_project_creation_screen(): void
    {
        $user = User::factory()->create();

        $this->actingAs($user)
            ->get(route('projects.create'))
            ->assertOk()
            ->assertInertia(fn (Assert $page) => $page
                ->component('projects/Create'),
            );
    }

    /**
     * Ensure project keys are normalized to uppercase on creation.
     */
    public function test_authenticated_users_can_create_projects_with_uppercase_keys(): void
    {
        $user = User::factory()->create();

        $response = $this->actingAs($user)
            ->post(route('projects.store'), [
                'name' => 'Kanban Foundation',
                'key' => 'core',
            ]);

        $project = Project::query()->firstOrFail();

        $response->assertRedirect(route('projects.show', $project));

        $this->assertDatabaseHas('projects', [
            'name' => 'Kanban Foundation',
            'key' => 'CORE',
        ]);

        foreach (ProjectPermissionService::permissions() as $permission) {
            $this->assertDatabaseHas('project_user_permissions', [
                'project_id' => $project->id,
                'user_id' => $user->id,
                'permission' => $permission,
            ]);
        }

        $this->assertDatabaseHas('ticket_types', [
            'project_id' => $project->id,
            'name' => 'Task',
            'system_key' => 'task',
            'is_builtin' => true,
        ]);

        $this->assertDatabaseHas('ticket_types', [
            'project_id' => $project->id,
            'name' => 'Parent',
            'system_key' => 'parent',
            'is_builtin' => true,
        ]);
    }

    /**
     * Ensure project keys remain unique after normalization.
     */
    public function test_project_keys_must_be_unique_case_insensitively(): void
    {
        $user = User::factory()->create();

        Project::factory()->create([
            'key' => 'AUTH',
        ]);

        $this->actingAs($user)
            ->from(route('projects.create'))
            ->post(route('projects.store'), [
                'name' => 'Another Auth Project',
                'key' => 'auth',
            ])
            ->assertSessionHasErrors('key')
            ->assertRedirect(route('projects.create'));
    }

    /**
     * Ensure project keys cannot exceed five characters.
     */
    public function test_project_keys_may_not_exceed_five_characters(): void
    {
        $user = User::factory()->create();

        $this->actingAs($user)
            ->from(route('projects.create'))
            ->post(route('projects.store'), [
                'name' => 'Too Long',
                'key' => 'KANBAN',
            ])
            ->assertSessionHasErrors('key')
            ->assertRedirect(route('projects.create'));
    }

    /**
     * Ensure authenticated users can view the project hub page.
     */
    public function test_authenticated_users_can_view_a_project_hub_page(): void
    {
        $user = User::factory()->create();
        $project = Project::factory()->create([
            'name' => 'Core Platform',
            'key' => 'CORE',
        ]);
        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['view']);

        $this->actingAs($user)
            ->get(route('projects.show', $project))
            ->assertOk()
            ->assertInertia(fn (Assert $page) => $page
                ->component('projects/Show')
                ->where('canManageAccess', false)
                ->where('project.id', $project->id)
                ->where('project.key', 'CORE'),
            );
    }

    /**
     * Ensure team-inherited permissions allow users to open a project.
     */
    public function test_team_permissions_allow_users_to_view_a_project(): void
    {
        $user = User::factory()->create();
        $team = Team::factory()->create();
        $project = Project::factory()->create([
            'key' => 'TEAM',
        ]);

        $team->users()->attach($user);
        app(ProjectPermissionService::class)->syncTeamPermissions($project, $team, ['view']);

        $this->actingAs($user)
            ->get(route('projects.show', $project))
            ->assertOk()
            ->assertInertia(fn (Assert $page) => $page
                ->component('projects/Show')
                ->where('project.id', $project->id),
            );
    }

    /**
     * Ensure users without direct or inherited access are forbidden.
     */
    public function test_users_without_permission_cannot_view_a_project(): void
    {
        $user = User::factory()->create();
        $project = Project::factory()->create();

        $this->actingAs($user)
            ->get(route('projects.show', $project))
            ->assertForbidden();
    }

    /**
     * Ensure edit access allows opening the project access management page.
     */
    public function test_users_with_edit_permission_can_view_project_access_management(): void
    {
        $user = User::factory()->create();
        $project = Project::factory()->create([
            'key' => 'CORE',
        ]);
        $team = Team::factory()->create([
            'name' => 'Platform Team',
        ]);

        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['edit']);

        $this->actingAs($user)
            ->get(route('projects.access', $project))
            ->assertOk()
            ->assertInertia(fn (Assert $page) => $page
                ->component('projects/Access')
                ->where('project.id', $project->id)
                ->has('users', 1)
                ->has('teams', 1)
                ->where('permissionOptions.0.value', 'create'),
            );
    }

    /**
     * Ensure admins can open the general project settings page.
     */
    public function test_admins_can_view_general_project_settings(): void
    {
        $admin = User::factory()->admin()->create();
        $project = Project::factory()->create([
            'key' => 'CORE',
        ]);

        $this->actingAs($admin)
            ->get(route('projects.settings.general', $project))
            ->assertOk()
            ->assertInertia(fn (Assert $page) => $page
                ->component('projects/settings/General')
                ->where('project.id', $project->id)
                ->where('project.key', 'CORE'),
            );
    }

    /**
     * Ensure non-admin users cannot open general project settings even with project permissions.
     */
    public function test_non_admin_users_cannot_view_general_project_settings(): void
    {
        $user = User::factory()->create();
        $project = Project::factory()->create([
            'key' => 'CORE',
        ]);

        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['view', 'edit', 'delete']);

        $this->actingAs($user)
            ->get(route('projects.settings.general', $project))
            ->assertForbidden();
    }

    /**
     * Ensure admins can delete projects and their dependent project-scoped data.
     */
    public function test_admins_can_delete_projects_from_general_settings(): void
    {
        $admin = User::factory()->admin()->create();
        $member = User::factory()->create();
        $project = Project::factory()->create([
            'key' => 'CORE',
            'name' => 'Core Platform',
        ]);

        app(InitializeProjectTicketMetadata::class)->handle($project);

        $priority = TicketPriority::factory()->for($project)->create([
            'name' => 'Medium',
            'position' => 1,
        ]);
        $boardColumn = BoardColumn::factory()->for($project)->create([
            'name' => 'In Progress',
            'position' => 1,
        ]);
        $ticket = Ticket::factory()->create([
            'board_column_id' => $boardColumn->id,
            'project_id' => $project->id,
            'sequence_number' => 1,
            'ticket_key' => 'CORE-1',
            'ticket_priority_id' => $priority->id,
            'ticket_type_id' => $project->ticketTypes()->where('system_key', 'task')->firstOrFail()->id,
            'title' => 'Delete me',
        ]);

        app(ProjectPermissionService::class)->syncUserPermissions($project, $member, ['view']);

        $this->actingAs($admin)
            ->delete(route('projects.destroy', $project), [
                'confirmation_key' => 'CORE',
            ])
            ->assertRedirect(route('projects.index'))
            ->assertSessionHas('status', 'Project Core Platform was deleted.');

        $this->assertDatabaseMissing('projects', [
            'id' => $project->id,
        ]);
        $this->assertDatabaseMissing('board_columns', [
            'id' => $boardColumn->id,
        ]);
        $this->assertDatabaseMissing('tickets', [
            'id' => $ticket->id,
        ]);
        $this->assertDatabaseMissing('project_user_permissions', [
            'project_id' => $project->id,
            'user_id' => $member->id,
            'permission' => 'view',
        ]);
    }

    /**
     * Ensure project deletion requires the exact project key confirmation.
     */
    public function test_admins_must_confirm_the_exact_project_key_to_delete_a_project(): void
    {
        $admin = User::factory()->admin()->create();
        $project = Project::factory()->create([
            'key' => 'CORE',
        ]);

        $this->actingAs($admin)
            ->from(route('projects.settings.general', $project))
            ->delete(route('projects.destroy', $project), [
                'confirmation_key' => 'core',
            ])
            ->assertRedirect(route('projects.settings.general', $project))
            ->assertSessionHasErrors('confirmation_key');

        $this->assertDatabaseHas('projects', [
            'id' => $project->id,
        ]);
    }

    /**
     * Ensure non-admin users cannot delete projects.
     */
    public function test_non_admin_users_cannot_delete_projects(): void
    {
        $user = User::factory()->create();
        $project = Project::factory()->create([
            'key' => 'CORE',
        ]);

        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['view', 'edit', 'delete']);

        $this->actingAs($user)
            ->delete(route('projects.destroy', $project), [
                'confirmation_key' => 'CORE',
            ])
            ->assertForbidden();

        $this->assertDatabaseHas('projects', [
            'id' => $project->id,
        ]);
    }

    /**
     * Ensure admins can update direct project permissions for a user.
     */
    public function test_admins_can_update_direct_project_permissions(): void
    {
        $admin = User::factory()->admin()->create();
        $member = User::factory()->create([
            'name' => 'Regular User',
        ]);
        $project = Project::factory()->create([
            'key' => 'AUTH',
        ]);

        $this->actingAs($admin)
            ->patch(route('projects.permissions.users.update', [$project, $member]), [
                'permissions' => ['view', 'edit'],
            ])
            ->assertRedirect(route('projects.access', $project))
            ->assertSessionHas('status', 'Regular User permissions were updated.');

        $this->assertDatabaseHas('project_user_permissions', [
            'project_id' => $project->id,
            'user_id' => $member->id,
            'permission' => 'view',
        ]);

        $this->assertDatabaseHas('project_user_permissions', [
            'project_id' => $project->id,
            'user_id' => $member->id,
            'permission' => 'edit',
        ]);
    }

    /**
     * Ensure users with project edit access can update team permissions.
     */
    public function test_users_with_edit_permission_can_update_team_permissions(): void
    {
        $manager = User::factory()->create();
        $team = Team::factory()->create([
            'name' => 'Delivery Team',
        ]);
        $project = Project::factory()->create([
            'key' => 'OPS',
        ]);

        app(ProjectPermissionService::class)->syncUserPermissions($project, $manager, ['edit']);

        $this->actingAs($manager)
            ->patch(route('projects.permissions.teams.update', [$project, $team]), [
                'permissions' => ['view', 'create'],
            ])
            ->assertRedirect(route('projects.access', $project))
            ->assertSessionHas('status', 'Delivery Team permissions were updated.');

        $this->assertDatabaseHas('project_team_permissions', [
            'project_id' => $project->id,
            'team_id' => $team->id,
            'permission' => 'view',
        ]);

        $this->assertDatabaseHas('project_team_permissions', [
            'project_id' => $project->id,
            'team_id' => $team->id,
            'permission' => 'create',
        ]);
    }
}