<?php

namespace Modules\ProjectManagement\Tests\Feature;

use App\Models\User;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Modules\ProjectManagement\Models\Project;
use Modules\ProjectManagement\Models\ProjectMilestone;
use Modules\ProjectManagement\Models\Task;
use Modules\ProjectManagement\Enums\ProjectStatus;
use Modules\MasterData\Models\Material;
use Modules\Labors\Models\Labor;
use Modules\Equipments\Models\Equipment;
use Spatie\Permission\Models\Role;
use Spatie\Permission\Models\Permission;
use Tests\TestCase;

class ProjectWizardTest extends TestCase
{
    use RefreshDatabase;

    protected User $user;
    protected User $approver;
    protected Project $project;
    protected Material $material;
    protected Labor $labor;
    protected Equipment $equipment;

    protected function setUp(): void
    {
        parent::setUp();

        // Seed roles & permissions
        $role = Role::firstOrCreate(['name' => 'Super Admin']);
        Permission::firstOrCreate(['name' => 'projects.access']);
        
        $this->user = User::factory()->create([
            'status' => 'active',
            'user_type' => 'admin',
        ]);
        $this->user->assignRole($role);

        $this->approver = User::factory()->create([
            'status' => 'active',
            'user_type' => 'admin',
            'email' => 'approver@example.com',
        ]);
        $this->approver->assignRole($role);

        // Standard Material
        $this->material = Material::create([
            'name' => 'Wizard Cement Bag',
            'sku' => 'CEM-WIZ-101',
            'unit' => 'bag',
            'unit_cost' => 300.00,
            'category' => 'cement',
            'type' => 'raw',
            'status' => 'active',
        ]);

        // Standard Labor
        $this->labor = Labor::create([
            'name' => 'Lead Foreman',
            'category' => 'skilled',
            'hourly_rate' => 150.00,
            'status' => 'active',
        ]);

        // Standard Equipment
        $this->equipment = Equipment::create([
            'name' => '10-Wheeler Dump Truck',
            'owner_name' => 'Company Owned',
            'hourly_rate' => 1500.00,
            'status' => 'active',
        ]);

        // Create Project (starts with current_wizard_step = 1)
        $this->project = Project::create([
            'name' => 'Wizard Test Project',
            'code' => 'PRJ-WIZ-2026',
            'status' => ProjectStatus::Planning,
            'project_type' => 'standard',
            'is_unprofitable' => false,
            'contract_value' => 500000.00,
            'current_wizard_step' => 1,
        ]);
    }

    public function test_can_access_wizard_allowed_steps(): void
    {
        // Assert can load step 1
        $response = $this->actingAs($this->user)->get(route('projects.wizard', [$this->project->ulid, 'step' => 1]));
        $response->assertStatus(200);

        // Assert attempting to access step 3 when current_wizard_step is 1 defaults back to current step
        $response = $this->actingAs($this->user)->get(route('projects.wizard', [$this->project->ulid, 'step' => 3]));
        $response->assertStatus(200);
        // It should render step 1 (fallback)
        $this->assertEquals(1, $response->viewData('page')['props']['step']);
    }

    public function test_can_save_wizard_tasks_and_advance_step(): void
    {
        $response = $this->actingAs($this->user)->post(route('projects.wizard.tasks', $this->project->ulid), [
            'milestones' => [
                [
                    'name' => 'Substructure Phase',
                    'weight_percentage' => 40,
                ]
            ],
            'tasks' => [
                [
                    'name' => 'Excavation Work',
                    'description' => 'Excavating the main foundation area',
                    'start_date' => '2026-06-01',
                    'end_date' => '2026-06-10',
                ]
            ]
        ]);

        $response->assertRedirect(route('projects.wizard', [$this->project->ulid, 'step' => 3]));
        
        // Assert milestones and tasks exist in database
        $this->assertDatabaseHas('project_milestones', [
            'project_id' => $this->project->id,
            'name' => 'Substructure Phase',
            'weight_percentage' => 40,
        ]);

        $this->assertDatabaseHas('tasks', [
            'project_id' => $this->project->id,
            'name' => 'Excavation Work',
            'description' => 'Excavating the main foundation area',
        ]);

        // Check project step advanced
        $this->project->refresh();
        $this->assertEquals(3, $this->project->current_wizard_step);
    }

    public function test_can_save_wizard_estimates_and_advance_step(): void
    {
        // First set step to 3
        $this->project->update(['current_wizard_step' => 3]);

        $response = $this->actingAs($this->user)->post(route('projects.wizard.estimates', $this->project->ulid), [
            'estimates' => [
                [
                    'material_ulid' => $this->material->ulid,
                    'estimated_qty' => 100,
                    'unit_cost' => 300.00,
                ]
            ]
        ]);

        $response->assertRedirect(route('projects.wizard', [$this->project->ulid, 'step' => 4]));

        $this->assertDatabaseHas('project_materials_estimates', [
            'project_id' => $this->project->id,
            'material_id' => $this->material->id,
            'estimated_qty' => 100,
            'unit_cost' => 300.00,
        ]);

        $this->project->refresh();
        $this->assertEquals(4, $this->project->current_wizard_step);
    }

    public function test_can_save_wizard_labor_and_advance_step(): void
    {
        $this->project->update(['current_wizard_step' => 4]);

        // Create a task to assign labor to
        $task = $this->project->tasks()->create([
            'name' => 'Concrete Pouring',
            'status' => 'pending',
            'labor_cost' => 0,
            'estimated_hours' => 20,
            'actual_hours' => 0,
            'completion_percentage' => 0,
            'sort_order' => 1,
        ]);

        $response = $this->actingAs($this->user)->post(route('projects.wizard.labor', $this->project->ulid), [
            'labor' => [
                [
                    'task_ulid' => $task->ulid,
                    'labor_ulid' => $this->labor->ulid,
                    'estimated_hours' => 40,
                ]
            ]
        ]);

        $response->assertRedirect(route('projects.wizard', [$this->project->ulid, 'step' => 5]));

        $this->assertDatabaseHas('task_labors', [
            'task_id' => $task->id,
            'labor_id' => $this->labor->id,
            'estimated_hours' => 40,
        ]);

        $this->project->refresh();
        $this->assertEquals(5, $this->project->current_wizard_step);
    }

    public function test_can_save_wizard_equipment_and_advance_step(): void
    {
        $this->project->update(['current_wizard_step' => 5]);

        // Create a task to assign equipment to
        $task = $this->project->tasks()->create([
            'name' => 'Concrete Pouring',
            'status' => 'pending',
            'labor_cost' => 0,
            'estimated_hours' => 20,
            'actual_hours' => 0,
            'completion_percentage' => 0,
            'sort_order' => 1,
        ]);

        $response = $this->actingAs($this->user)->post(route('projects.wizard.equipment', $this->project->ulid), [
            'equipment' => [
                [
                    'task_ulid' => $task->ulid,
                    'equipment_ulid' => $this->equipment->ulid,
                    'estimated_hours' => 12,
                ]
            ]
        ]);

        $response->assertRedirect(route('projects.wizard', [$this->project->ulid, 'step' => 6]));

        $this->assertDatabaseHas('task_equipments', [
            'task_id' => $task->id,
            'equipment_id' => $this->equipment->id,
            'estimated_hours' => 12,
        ]);

        $this->project->refresh();
        $this->assertEquals(6, $this->project->current_wizard_step);
    }

    public function test_can_submit_wizard_for_approval(): void
    {
        $this->project->update(['current_wizard_step' => 6]);

        $response = $this->actingAs($this->user)->post(route('projects.wizard.submit', $this->project->ulid), [
            'approver_ids' => [$this->approver->ulid],
            'notes' => 'Setup is completed, please review and approve budget.',
        ]);

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

        $this->project->refresh();
        $this->assertEquals(7, $this->project->current_wizard_step);

        $this->assertDatabaseHas('approval_chains', [
            'approvable_type' => Project::class,
            'approvable_id' => $this->project->id,
            'status' => 'in_review',
        ]);
    }
}