<?php

declare(strict_types=1);

namespace App\Services\TenantConfiguration;

use App\Models\TenantConfigurationResourceType;
use App\Support\TenantConfiguration\SourceClass;

final class CoverageIdentityStrategyRegistry
{
    /**
     * @var array<string, array<string, mixed>>
     */
    private const STRATEGIES = [
        'deviceAndAppManagementAssignmentFilter' => [
            'strategy_identifier' => 'tcm.assignment_filter.v1',
            'preferred_identity_fields' => ['id', 'sourceId', 'assignmentFilterId'],
            'fallback_identity_fields' => ['templateReference.templateId', 'sourceKey'],
            'source_composite_fields' => ['platform', 'assignmentFilterManagementType', 'rule'],
            'derived_composite_fields' => ['platform', 'payloadType', 'source_metadata.source_contract_key'],
            'display_fields' => ['displayName', 'name'],
            'secondary_fields' => ['platform', 'assignmentFilterManagementType', 'source_metadata.source_contract_key', 'source_metadata.source_version'],
            'requires_provider_connection_scope' => true,
            'allows_derived_identity' => true,
            'allows_experimental_identity' => false,
            'derived_claims_allowed' => false,
        ],
        'deviceEnrollmentLimitRestriction' => [
            'strategy_identifier' => 'tcm.device_enrollment_limit_restriction.v1',
            'preferred_identity_fields' => ['id', 'sourceId', 'restrictionId'],
            'fallback_identity_fields' => ['settingId', 'sourceKey'],
            'source_composite_fields' => ['platform', 'limit', 'priority'],
            'derived_composite_fields' => ['platform', 'limit', 'source_metadata.source_contract_key'],
            'display_fields' => ['displayName', 'name'],
            'secondary_fields' => ['platform', 'limit', 'priority', 'source_metadata.source_contract_key'],
            'requires_provider_connection_scope' => true,
            'allows_derived_identity' => true,
            'allows_experimental_identity' => false,
            'derived_claims_allowed' => false,
        ],
        'deviceEnrollmentPlatformRestriction' => [
            'strategy_identifier' => 'tcm.device_enrollment_platform_restriction.v1',
            'preferred_identity_fields' => ['id', 'sourceId', 'restrictionId'],
            'fallback_identity_fields' => ['platformRestrictionId', 'sourceKey'],
            'source_composite_fields' => ['platform', 'platformType', 'restrictionType'],
            'derived_composite_fields' => ['platform', 'platformType', 'source_metadata.source_contract_key'],
            'display_fields' => ['displayName', 'name'],
            'secondary_fields' => ['platform', 'platformType', 'restrictionType', 'source_metadata.source_contract_key'],
            'requires_provider_connection_scope' => true,
            'allows_derived_identity' => true,
            'allows_experimental_identity' => false,
            'derived_claims_allowed' => false,
        ],
        'deviceEnrollmentStatusPageWindows10' => [
            'strategy_identifier' => 'tcm.device_enrollment_status_page_windows10.v1',
            'preferred_identity_fields' => ['id', 'sourceId', 'statusPageId'],
            'fallback_identity_fields' => ['enrollmentStatusPageId', 'sourceKey'],
            'source_composite_fields' => ['platform', 'installProgressTimeoutInMinutes', 'priority'],
            'derived_composite_fields' => ['platform', 'showInstallationProgress', 'source_metadata.source_contract_key'],
            'display_fields' => ['displayName', 'name'],
            'secondary_fields' => ['platform', 'showInstallationProgress', 'installProgressTimeoutInMinutes', 'source_metadata.source_contract_key'],
            'requires_provider_connection_scope' => true,
            'allows_derived_identity' => true,
            'allows_experimental_identity' => false,
            'derived_claims_allowed' => false,
        ],
        'appProtectionPolicyAndroid' => [
            'strategy_identifier' => 'tcm.app_protection_policy_android.v1',
            'preferred_identity_fields' => ['id', 'sourceId', 'policyId'],
            'fallback_identity_fields' => ['appProtectionPolicyId', 'sourceKey'],
            'source_composite_fields' => ['platform', 'targetedAppManagementLevels', 'roleScopeTagIds'],
            'derived_composite_fields' => ['platform', 'targetedAppManagementLevels', 'source_metadata.source_contract_key'],
            'display_fields' => ['displayName', 'name'],
            'secondary_fields' => ['platform', 'targetedAppManagementLevels', 'roleScopeTagIds', 'source_metadata.source_contract_key'],
            'requires_provider_connection_scope' => true,
            'allows_derived_identity' => true,
            'allows_experimental_identity' => false,
            'derived_claims_allowed' => false,
        ],
        'appProtectionPolicyiOS' => [
            'strategy_identifier' => 'tcm.app_protection_policy_ios.v1',
            'preferred_identity_fields' => ['id', 'sourceId', 'policyId'],
            'fallback_identity_fields' => ['appProtectionPolicyId', 'sourceKey'],
            'source_composite_fields' => ['platform', 'targetedAppManagementLevels', 'roleScopeTagIds'],
            'derived_composite_fields' => ['platform', 'targetedAppManagementLevels', 'source_metadata.source_contract_key'],
            'display_fields' => ['displayName', 'name'],
            'secondary_fields' => ['platform', 'targetedAppManagementLevels', 'roleScopeTagIds', 'source_metadata.source_contract_key'],
            'requires_provider_connection_scope' => true,
            'allows_derived_identity' => true,
            'allows_experimental_identity' => false,
            'derived_claims_allowed' => false,
        ],
        'conditionalAccessPolicy' => [
            'strategy_identifier' => 'graph.conditional_access_policy.v1',
            'preferred_identity_fields' => ['id', 'policyId', 'sourceId'],
            'fallback_identity_fields' => ['sourceKey'],
            'source_composite_fields' => [],
            'derived_composite_fields' => [],
            'display_fields' => ['displayName', 'name'],
            'secondary_fields' => ['state', 'source_metadata.source_contract_key', 'source_metadata.source_version'],
            'requires_provider_connection_scope' => true,
            'allows_derived_identity' => false,
            'allows_experimental_identity' => false,
            'derived_claims_allowed' => false,
            'stable_key_kind' => 'graph_object_id',
        ],
        'notificationMessageTemplate' => [
            'strategy_identifier' => 'graph.notification_message_template.v1',
            'preferred_identity_fields' => ['id', 'templateId', 'sourceId'],
            'fallback_identity_fields' => ['notificationMessageTemplateId', 'sourceKey'],
            'source_composite_fields' => ['brandingOptions', 'source_metadata.source_contract_key'],
            'derived_composite_fields' => ['source_metadata.source_contract_key', 'source_metadata.source_version'],
            'display_fields' => ['displayName', 'name'],
            'secondary_fields' => ['brandingOptions', 'source_metadata.source_contract_key', 'source_metadata.source_version'],
            'requires_provider_connection_scope' => true,
            'allows_derived_identity' => true,
            'allows_experimental_identity' => false,
            'derived_claims_allowed' => false,
        ],
        'roleScopeTag' => [
            'strategy_identifier' => 'graph_beta.role_scope_tag.v1',
            'preferred_identity_fields' => ['id', 'roleScopeTagId', 'sourceId'],
            'fallback_identity_fields' => ['sourceKey'],
            'source_composite_fields' => ['source_metadata.source_contract_key', 'source_metadata.source_version'],
            'derived_composite_fields' => ['source_metadata.source_contract_key', 'source_metadata.source_version'],
            'display_fields' => ['displayName', 'name'],
            'secondary_fields' => ['description', 'source_metadata.source_contract_key', 'source_metadata.source_version'],
            'requires_provider_connection_scope' => true,
            'allows_derived_identity' => true,
            'allows_experimental_identity' => true,
            'derived_claims_allowed' => false,
        ],
    ];

    /**
     * @return array<string, array<string, mixed>>
     */
    public function strategies(): array
    {
        return self::STRATEGIES;
    }

    /**
     * @return array<string, mixed>
     */
    public function strategyFor(TenantConfigurationResourceType|string $resourceType): array
    {
        $canonicalType = $resourceType instanceof TenantConfigurationResourceType
            ? (string) $resourceType->canonical_type
            : $resourceType;

        $sourceClass = $resourceType instanceof TenantConfigurationResourceType
            ? $this->sourceClassValue($resourceType->source_class)
            : null;

        $strategy = self::STRATEGIES[$canonicalType] ?? null;

        if ($strategy === null) {
            return [
                'strategy_identifier' => 'unsupported.'.$canonicalType,
                'canonical_type' => $canonicalType,
                'source_class' => $sourceClass,
                'preferred_identity_fields' => [],
                'fallback_identity_fields' => [],
                'source_composite_fields' => [],
                'derived_composite_fields' => [],
                'display_fields' => ['displayName', 'name'],
                'secondary_fields' => [],
                'requires_provider_connection_scope' => true,
                'allows_derived_identity' => false,
                'allows_experimental_identity' => false,
                'derived_claims_allowed' => false,
                'supported' => false,
            ];
        }

        return [
            ...$strategy,
            'canonical_type' => $canonicalType,
            'source_class' => $sourceClass,
            'supported' => true,
        ];
    }

    private function sourceClassValue(mixed $sourceClass): ?string
    {
        if ($sourceClass instanceof SourceClass) {
            return $sourceClass->value;
        }

        if (is_scalar($sourceClass)) {
            $sourceClass = trim((string) $sourceClass);

            return $sourceClass !== '' ? $sourceClass : null;
        }

        return null;
    }
}