<?php

namespace Tests\Feature;

use App\Http\Middleware\EnsurePlatformSession;
use App\Models\Assessment;
use App\Models\AssessmentQuestion;
use App\Models\AssessmentScore;
use App\Models\AssessmentTemplate;
use App\Models\Branch;
use App\Models\Member;
use App\Models\Organization;
use App\Models\Patient;
use App\Models\User;
use App\Services\Care\CareFeatures;
use App\Services\Care\ScoringService;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Str;
use Tests\TestCase;

class CareAssessmentScoringTest extends TestCase
{
    use RefreshDatabase;

    protected User $user;

    protected Organization $organization;

    protected Branch $branch;

    protected Patient $patient;

    protected Member $member;

    protected function setUp(): void
    {
        parent::setUp();
        $this->withoutMiddleware(EnsurePlatformSession::class);

        $this->user = User::create([
            'public_id' => 'scoring-user',
            'name' => 'Scoring User',
            'email' => 'scoring@example.com',
        ]);

        $this->organization = Organization::create([
            'owner_ref' => $this->user->public_id,
            'name' => 'Score Clinic',
            'slug' => 'score-clinic',
            'timezone' => 'UTC',
            'settings' => [
                'onboarded' => true,
                'rollout' => [CareFeatures::ASSESSMENTS_ENGINE => true],
            ],
        ]);

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

        $this->branch = Branch::create([
            'owner_ref' => $this->user->public_id,
            'organization_id' => $this->organization->id,
            'name' => 'Main',
            'is_active' => true,
        ]);

        $this->patient = Patient::create([
            'uuid' => (string) Str::uuid(),
            'owner_ref' => $this->user->public_id,
            'organization_id' => $this->organization->id,
            'branch_id' => $this->branch->id,
            'patient_number' => 'LC-SCORE-001',
            'first_name' => 'Ama',
            'last_name' => 'Score',
        ]);
    }

    public function test_sum_items_materializes_total_and_max(): void
    {
        $template = AssessmentTemplate::create([
            'code' => 'nihss_fixture',
            'name' => 'NIHSS fixture',
            'category' => AssessmentTemplate::CATEGORY_DISEASE,
            'version' => 1,
            'is_current' => true,
            'scoring_strategy' => 'sum_items',
            'meta' => ['capture_roles' => ['doctor']],
        ]);

        AssessmentQuestion::create([
            'template_id' => $template->id,
            'code' => 'loc',
            'label' => 'LOC',
            'answer_type' => AssessmentQuestion::TYPE_SCORE_ITEM,
            'options' => [
                'choices' => [
                    ['code' => '0', 'label' => 'Alert', 'score' => 0],
                    ['code' => '2', 'label' => 'Obtunded', 'score' => 2],
                ],
            ],
            'is_required' => true,
            'sort_order' => 1,
            'score_key' => 'loc',
        ]);

        AssessmentQuestion::create([
            'template_id' => $template->id,
            'code' => 'motor',
            'label' => 'Motor',
            'answer_type' => AssessmentQuestion::TYPE_SCORE_ITEM,
            'options' => [
                'max' => 4,
                'choices' => [
                    ['code' => '0', 'label' => 'None', 'score' => 0],
                    ['code' => '3', 'label' => 'Severe', 'score' => 3],
                ],
            ],
            'is_required' => true,
            'sort_order' => 2,
            'score_key' => 'motor',
        ]);

        $this->actingAs($this->user)
            ->post(route('care.assessments.store', $this->patient), ['template_code' => 'nihss_fixture'])
            ->assertRedirect();

        $assessment = Assessment::first();

        $this->actingAs($this->user)
            ->put(route('care.assessments.update', $assessment), [
                'answers' => ['loc' => '2', 'motor' => '3'],
            ])
            ->assertRedirect();

        $this->actingAs($this->user)
            ->post(route('care.assessments.complete', $assessment))
            ->assertRedirect();

        $score = AssessmentScore::where('assessment_id', $assessment->id)->first();
        $this->assertNotNull($score);
        $this->assertEquals(5, (float) $score->total_score);
        $this->assertEquals(6, (float) $score->max_score); // 2 + 4
        $this->assertSame('nihss_fixture', $score->template_code);
        $this->assertEquals(2, $score->subscores['loc']);
        $this->assertEquals(3, $score->subscores['motor']);

        $this->actingAs($this->user)
            ->get(route('care.assessments.show', $assessment))
            ->assertOk()
            ->assertSee('Score')
            ->assertSee('5');
    }

    public function test_single_value_strategy_for_mrs_style(): void
    {
        $template = AssessmentTemplate::create([
            'code' => 'mrs_fixture',
            'name' => 'mRS fixture',
            'category' => AssessmentTemplate::CATEGORY_DISEASE,
            'version' => 1,
            'is_current' => true,
            'scoring_strategy' => 'single_value',
            'meta' => ['capture_roles' => ['doctor']],
        ]);

        AssessmentQuestion::create([
            'template_id' => $template->id,
            'code' => 'mrs_score',
            'label' => 'mRS',
            'answer_type' => AssessmentQuestion::TYPE_SCORE_ITEM,
            'options' => [
                'min' => 0,
                'max' => 6,
                'choices' => [
                    ['code' => '0', 'label' => 'None', 'score' => 0],
                    ['code' => '3', 'label' => 'Moderate', 'score' => 3],
                    ['code' => '6', 'label' => 'Dead', 'score' => 6],
                ],
            ],
            'is_required' => true,
            'sort_order' => 1,
            'score_key' => 'total',
        ]);

        $this->actingAs($this->user)
            ->post(route('care.assessments.store', $this->patient), ['template_code' => 'mrs_fixture'])
            ->assertRedirect();

        $assessment = Assessment::first();

        $this->actingAs($this->user)
            ->from(route('care.assessments.show', $assessment))
            ->put(route('care.assessments.update', $assessment), [
                'answers' => ['mrs_score' => '3'],
            ]);

        $this->actingAs($this->user)
            ->post(route('care.assessments.complete', $assessment))
            ->assertRedirect();

        $preview = app(ScoringService::class)->preview($assessment->fresh(['template.questions', 'answers.question']));
        $this->assertEquals(3, $preview['total']);
        $this->assertEquals(6, $preview['max']);

        $score = AssessmentScore::first();
        $this->assertEquals(3, (float) $score->total_score);
        $this->assertEquals(6, (float) $score->max_score);
    }

    public function test_null_scoring_strategy_skips_score_row(): void
    {
        $template = AssessmentTemplate::create([
            'code' => 'no_score',
            'name' => 'No score',
            'category' => AssessmentTemplate::CATEGORY_UNIVERSAL,
            'version' => 1,
            'is_current' => true,
            'scoring_strategy' => null,
            'meta' => ['capture_roles' => ['doctor', 'nurse']],
        ]);

        AssessmentQuestion::create([
            'template_id' => $template->id,
            'code' => 'note',
            'label' => 'Note',
            'answer_type' => AssessmentQuestion::TYPE_TEXT,
            'is_required' => true,
            'sort_order' => 1,
        ]);

        $this->actingAs($this->user)
            ->post(route('care.assessments.store', $this->patient), ['template_code' => 'no_score'])
            ->assertRedirect();

        $assessment = Assessment::first();
        $this->actingAs($this->user)
            ->put(route('care.assessments.update', $assessment), [
                'answers' => ['note' => 'hello'],
            ]);
        $this->actingAs($this->user)
            ->post(route('care.assessments.complete', $assessment))
            ->assertRedirect();

        $this->assertSame(0, AssessmentScore::count());
        $this->assertTrue($assessment->fresh()->isCompleted());
    }

    public function test_complete_fails_when_score_items_missing(): void
    {
        $template = AssessmentTemplate::create([
            'code' => 'need_scores',
            'name' => 'Need scores',
            'category' => AssessmentTemplate::CATEGORY_DISEASE,
            'version' => 1,
            'is_current' => true,
            'scoring_strategy' => 'sum_items',
            'meta' => ['capture_roles' => ['doctor']],
        ]);

        AssessmentQuestion::create([
            'template_id' => $template->id,
            'code' => 'item_a',
            'label' => 'A',
            'answer_type' => AssessmentQuestion::TYPE_SCORE_ITEM,
            'options' => ['choices' => [['code' => '1', 'label' => '1', 'score' => 1]]],
            'is_required' => false,
            'sort_order' => 1,
        ]);

        $this->actingAs($this->user)
            ->post(route('care.assessments.store', $this->patient), ['template_code' => 'need_scores'])
            ->assertRedirect();

        $assessment = Assessment::first();

        $this->actingAs($this->user)
            ->from(route('care.assessments.show', $assessment))
            ->post(route('care.assessments.complete', $assessment))
            ->assertSessionHasErrors('answers.item_a');

        $this->assertSame(Assessment::STATUS_DRAFT, $assessment->fresh()->status);
        $this->assertSame(0, AssessmentScore::count());
    }
}