<?php

use App\Models\Tenant;
use App\Models\TenantMembership;
use App\Models\User;
use App\Models\Workspace;
use Illuminate\Support\Facades\DB;

function workspaceBackfillMigrationPath(): string
{
    return database_path('migrations/2026_02_01_085446_backfill_default_workspace_and_memberships.php');
}

it('backfills a default workspace and assigns legacy tenants to it', function () {
    Workspace::query()->delete();

    $tenantA = Tenant::factory()->create(['workspace_id' => null, 'is_current' => true]);
    $tenantB = Tenant::factory()->create(['workspace_id' => null, 'is_current' => false]);

    $userOwner = User::factory()->create();
    $userReadonly = User::factory()->create();

    TenantMembership::query()->create([
        'tenant_id' => $tenantA->getKey(),
        'user_id' => $userOwner->getKey(),
        'role' => 'owner',
        'source' => 'manual',
        'source_ref' => null,
        'created_by_user_id' => null,
    ]);

    TenantMembership::query()->create([
        'tenant_id' => $tenantB->getKey(),
        'user_id' => $userReadonly->getKey(),
        'role' => 'readonly',
        'source' => 'manual',
        'source_ref' => null,
        'created_by_user_id' => null,
    ]);

    $migration = require workspaceBackfillMigrationPath();
    $migration->up();

    $defaultWorkspace = Workspace::query()->where('slug', 'default')->first();

    expect($defaultWorkspace)->not->toBeNull();

    $tenantA->refresh();
    $tenantB->refresh();

    expect($tenantA->workspace_id)->toBe($defaultWorkspace->getKey())
        ->and($tenantB->workspace_id)->toBe($defaultWorkspace->getKey());

    $memberships = DB::table('workspace_memberships')
        ->where('workspace_id', $defaultWorkspace->getKey())
        ->get(['user_id', 'role']);

    expect($memberships)->toHaveCount(2)
        ->and($memberships->firstWhere('user_id', $userOwner->getKey())->role)->toBe('owner')
        ->and($memberships->firstWhere('user_id', $userReadonly->getKey())->role)->toBe('readonly');

    $userOwner->refresh();
    $userReadonly->refresh();

    expect($userOwner->last_workspace_id)->toBe($defaultWorkspace->getKey())
        ->and($userReadonly->last_workspace_id)->toBe($defaultWorkspace->getKey());
});

it('is idempotent when run multiple times', function () {
    Workspace::query()->delete();

    $tenant = Tenant::factory()->create(['workspace_id' => null]);

    $user = User::factory()->create();

    TenantMembership::query()->create([
        'tenant_id' => $tenant->getKey(),
        'user_id' => $user->getKey(),
        'role' => 'manager',
        'source' => 'manual',
        'source_ref' => null,
        'created_by_user_id' => null,
    ]);

    $migration = require workspaceBackfillMigrationPath();

    $migration->up();
    $migration->up();

    $defaultWorkspace = Workspace::query()->where('slug', 'default')->firstOrFail();

    expect(Workspace::query()->where('slug', 'default')->count())->toBe(1);

    $tenant->refresh();
    expect($tenant->workspace_id)->toBe($defaultWorkspace->getKey());

    expect(DB::table('workspace_memberships')
        ->where('workspace_id', $defaultWorkspace->getKey())
        ->where('user_id', $user->getKey())
        ->count())->toBe(1);
});