<?php

namespace App\Http\Controllers\Api;

use App\Http\Controllers\Api\Concerns\ScopesApiToAccount;
use App\Http\Controllers\Controller;
use App\Models\Branch;
use App\Models\Organization;
use App\Services\Qms\AuditLogger;
use App\Services\Qms\Industry\IndustryPackageInstaller;
use App\Services\Qms\Industry\IndustryPackageRegistry;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Str;

class IntegrationController extends Controller
{
    use ScopesApiToAccount;

    public function status(Request $request): JsonResponse
    {
        $owner = $this->ownerRef($request);
        $organization = Organization::owned($owner)->first();

        if (! $organization) {
            return response()->json([
                'data' => [
                    'provisioned' => false,
                    'onboarded' => false,
                    'integrations' => ['care' => false, 'frontdesk' => false],
                ],
            ]);
        }

        return response()->json([
            'data' => [
                'provisioned' => true,
                'onboarded' => (bool) data_get($organization->settings, 'onboarded', false),
                'organization_name' => $organization->name,
                'industry' => data_get($organization->settings, 'industry'),
                'industry_package' => data_get($organization->settings, 'industry_package.key'),
                'integrations' => [
                    'care' => (bool) data_get($organization->settings, 'integrations.care_enabled', false),
                    'frontdesk' => (bool) data_get($organization->settings, 'integrations.frontdesk_enabled', false),
                ],
            ],
        ]);
    }

    public function provision(Request $request): JsonResponse
    {
        $owner = $this->ownerRef($request);
        $caller = (string) $request->attributes->get('service_caller', '');
        $registry = app(IndustryPackageRegistry::class);

        $validated = $request->validate([
            'organization_name' => ['nullable', 'string', 'max:255'],
            'branch_name' => ['nullable', 'string', 'max:255'],
            'timezone' => ['nullable', 'timezone'],
            'industry' => ['nullable', 'string'],
        ]);

        $defaultIndustry = match ($caller) {
            'care' => 'healthcare',
            'frontdesk' => 'visitor',
            'pos' => 'restaurant',
            default => 'custom',
        };
        $industry = $registry->resolveKey($validated['industry'] ?? $defaultIndustry);

        $organization = Organization::owned($owner)->first();
        $created = false;
        $branch = null;

        if (! $organization) {
            $created = true;
            $name = $validated['organization_name'] ?? 'Service queues';
            $organization = Organization::create([
                'owner_ref' => $owner,
                'name' => $name,
                'slug' => Str::slug($name).'-'.substr($owner, 0, 6),
                'timezone' => $validated['timezone'] ?? config('app.timezone', 'UTC'),
                'settings' => [
                    'onboarded' => true,
                    'industry' => $industry,
                    'appointment_mode' => 'hybrid',
                    'integrations' => [
                        'care_enabled' => false,
                        'frontdesk_enabled' => false,
                    ],
                ],
            ]);

            $branch = Branch::create([
                'owner_ref' => $owner,
                'organization_id' => $organization->id,
                'name' => $validated['branch_name'] ?? 'Main branch',
                'is_active' => true,
            ]);

            AuditLogger::record($owner, 'organization.created', $organization->id, $owner, Organization::class, $organization->id);
        } else {
            $settings = $organization->settings ?? [];
            $settings['onboarded'] = true;
            if (! empty($validated['organization_name'])) {
                $organization->name = $validated['organization_name'];
            }
            if (! empty($validated['timezone'])) {
                $organization->timezone = $validated['timezone'];
            }
            $settings['industry'] = $industry;
            $organization->forceFill(['settings' => $settings])->save();

            $branch = Branch::query()
                ->where('organization_id', $organization->id)
                ->where('is_active', true)
                ->orderBy('id')
                ->first();

            if (! $branch) {
                $branch = Branch::create([
                    'owner_ref' => $owner,
                    'organization_id' => $organization->id,
                    'name' => $validated['branch_name'] ?? 'Main branch',
                    'is_active' => true,
                ]);
            }
        }

        if (in_array($caller, ['care', 'frontdesk'], true)) {
            $this->syncIntegrationFlag($organization->fresh(), $caller, true);
            $organization = $organization->fresh();
        }

        // Care owns clinical stage graphs; still apply healthcare terminology/package metadata.
        $packageResult = app(IndustryPackageInstaller::class)->install(
            $organization->fresh(),
            $branch,
            $industry,
            [
                'actor_ref' => $owner,
                'skip_stages' => $caller === 'care',
                'include_optional' => true,
            ],
        );

        return response()->json([
            'data' => [
                'provisioned' => true,
                'organization_name' => $organization->fresh()->name,
                'industry' => $industry,
                'industry_package' => $packageResult,
                'integrations' => [
                    'care' => (bool) data_get($organization->fresh()->settings, 'integrations.care_enabled', false),
                    'frontdesk' => (bool) data_get($organization->fresh()->settings, 'integrations.frontdesk_enabled', false),
                ],
            ],
        ], $created ? 201 : 200);
    }

    public function update(Request $request): JsonResponse
    {
        $validated = $request->validate([
            'care_enabled' => ['nullable', 'boolean'],
            'frontdesk_enabled' => ['nullable', 'boolean'],
        ]);

        $organization = $this->organization($request);
        $caller = (string) $request->attributes->get('service_caller', '');
        $settings = $organization->settings ?? [];
        $integrations = $settings['integrations'] ?? [];

        if (array_key_exists('care_enabled', $validated) && in_array($caller, ['care', 'crm'], true)) {
            $integrations['care_enabled'] = (bool) $validated['care_enabled'];
        }
        if (array_key_exists('frontdesk_enabled', $validated) && in_array($caller, ['frontdesk', 'crm'], true)) {
            $integrations['frontdesk_enabled'] = (bool) $validated['frontdesk_enabled'];
        }

        $settings['integrations'] = $integrations;
        $organization->update(['settings' => $settings]);

        return response()->json([
            'data' => [
                'integrations' => [
                    'care' => (bool) ($integrations['care_enabled'] ?? false),
                    'frontdesk' => (bool) ($integrations['frontdesk_enabled'] ?? false),
                ],
            ],
        ]);
    }

    protected function syncIntegrationFlag(Organization $organization, string $caller, bool $enabled): void
    {
        if (! in_array($caller, ['care', 'frontdesk'], true)) {
            return;
        }

        $settings = $organization->settings ?? [];
        $integrations = $settings['integrations'] ?? [];
        $key = $caller.'_enabled';
        $integrations[$key] = $enabled;
        $settings['integrations'] = $integrations;
        $organization->update(['settings' => $settings]);
    }
}