using Omika.Diagnostics.Models;
using Omika.Diagnostics.Queries;
using Omika.Diagnostics.Repositories;

namespace Omika.Diagnostics.Tests.Fakes;

/// <summary>
/// Simule PostgreSQL DOWN (§52) : toutes les opérations lèvent, la sonde retourne
/// <c>false</c>. L'importeur doit survivre (résultat retryable), laisser le JSONL
/// intact et ne pas avancer le checkpoint.
/// </summary>
public sealed class ThrowingDiagnosticRepository : IDiagnosticEventRepository
{
    public Task<int> InsertBatchAsync(
        IReadOnlyList<DiagnosticEventRecord> events,
        CancellationToken cancellationToken = default) =>
        throw new InvalidOperationException("PostgreSQL DOWN simulé");

    public Task<DiagnosticQueryResult<DiagnosticEventRecord>> QueryAsync(
        DiagnosticEventQuery query,
        CancellationToken cancellationToken = default) =>
        throw new InvalidOperationException("PostgreSQL DOWN simulé");

    public Task<IReadOnlyList<DiagnosticEventRecord>> GetByTraceIdAsync(
        Guid traceId,
        CancellationToken cancellationToken = default) =>
        throw new InvalidOperationException("PostgreSQL DOWN simulé");

    public Task<IReadOnlyList<DiagnosticEventRecord>> GetByOperationIdAsync(
        Guid operationId,
        CancellationToken cancellationToken = default) =>
        throw new InvalidOperationException("PostgreSQL DOWN simulé");

    public Task<bool> IsAvailableAsync(CancellationToken cancellationToken = default) =>
        Task.FromResult(false);

    public Task<int> DeleteOlderThanAsync(
        DateTimeOffset cutoff,
        int batchSize,
        CancellationToken cancellationToken = default) =>
        throw new InvalidOperationException("PostgreSQL DOWN simulé");

    public Task<long> DeleteErrorGroupAsync(
        DiagnosticErrorGroupIdentity identity,
        CancellationToken cancellationToken = default) =>
        throw new InvalidOperationException("PostgreSQL DOWN simulé");

    public Task<IReadOnlyList<DiagnosticGroupCount>> CountGroupedAsync(
        DiagnosticGroupDimension dimension,
        DiagnosticAggregateQuery query,
        CancellationToken cancellationToken = default) =>
        throw new InvalidOperationException("PostgreSQL DOWN simulé");

    public Task<IReadOnlyList<DiagnosticBucketCount>> CountByTimeBucketAsync(
        DiagnosticTimeBucket bucket,
        DiagnosticAggregateQuery query,
        CancellationToken cancellationToken = default) =>
        throw new InvalidOperationException("PostgreSQL DOWN simulé");

    public Task<IReadOnlyList<DiagnosticBucketClientCount>> CountByTimeBucketAndClientAsync(
        DiagnosticTimeBucket bucket,
        DiagnosticAggregateQuery query,
        CancellationToken cancellationToken = default) =>
        throw new InvalidOperationException("PostgreSQL DOWN simulé");

    public Task<IReadOnlyList<DiagnosticLicenseErrorCount>> CountLicensesByErrorsAsync(
        DiagnosticAggregateQuery query,
        CancellationToken cancellationToken = default) =>
        throw new InvalidOperationException("PostgreSQL DOWN simulé");

    public Task<IReadOnlyList<DiagnosticGroupCount>> CountErrorsByClientAsync(
        DiagnosticAggregateQuery query,
        CancellationToken cancellationToken = default) =>
        throw new InvalidOperationException("PostgreSQL DOWN simulé");

    public Task<DiagnosticQueryResult<DiagnosticEventRecord>> SearchAsync(
        DiagnosticSearchQuery query,
        CancellationToken cancellationToken = default) =>
        throw new InvalidOperationException("PostgreSQL DOWN simulé");

    public Task<IReadOnlyList<DiagnosticErrorGroup>> GroupErrorsAsync(
        DiagnosticErrorGroupQuery query,
        CancellationToken cancellationToken = default) =>
        throw new InvalidOperationException("PostgreSQL DOWN simulé");

    public Task<long> CountAsync(
        DiagnosticAggregateQuery query,
        CancellationToken cancellationToken = default) =>
        throw new InvalidOperationException("PostgreSQL DOWN simulé");

    public Task<long> CountErrorGroupsAsync(
        DiagnosticErrorGroupQuery query,
        CancellationToken cancellationToken = default) =>
        throw new InvalidOperationException("PostgreSQL DOWN simulé");

    public Task<DiagnosticDurationStats?> GetDurationStatsAsync(
        DiagnosticAggregateQuery query,
        CancellationToken cancellationToken = default) =>
        throw new InvalidOperationException("PostgreSQL DOWN simulé");

    public Task<IReadOnlyList<DiagnosticDurationByEventCode>> GetTopDurationByEventCodeAsync(
        DiagnosticAggregateQuery query,
        CancellationToken cancellationToken = default) =>
        throw new InvalidOperationException("PostgreSQL DOWN simulé");

    public Task<IReadOnlyList<DiagnosticVersionSummary>> GetVersionSummariesAsync(
        DiagnosticAggregateQuery query,
        CancellationToken cancellationToken = default) =>
        throw new InvalidOperationException("PostgreSQL DOWN simulé");

    public Task<DiagnosticVersionTotals> GetVersionTotalsAsync(
        DiagnosticAggregateQuery query,
        CancellationToken cancellationToken = default) =>
        throw new InvalidOperationException("PostgreSQL DOWN simulé");

    public Task<DiagnosticSyncSummary> GetSyncSummaryAsync(
        DiagnosticAggregateQuery query,
        CancellationToken cancellationToken = default) =>
        throw new InvalidOperationException("PostgreSQL DOWN simulé");

    public Task<DiagnosticErrorGroup?> GetErrorGroupAsync(
        DiagnosticErrorGroupOccurrenceQuery query,
        CancellationToken cancellationToken = default) =>
        throw new InvalidOperationException("PostgreSQL DOWN simulé");

    public Task<IReadOnlyList<DiagnosticEventRecord>> GetErrorGroupOccurrencesAsync(
        DiagnosticErrorGroupOccurrenceQuery query,
        CancellationToken cancellationToken = default) =>
        throw new InvalidOperationException("PostgreSQL DOWN simulé");

    public Task<IReadOnlyList<DiagnosticGroupCount>> CountErrorGroupByClientAsync(
        DiagnosticErrorGroupOccurrenceQuery query,
        int limit,
        CancellationToken cancellationToken = default) =>
        throw new InvalidOperationException("PostgreSQL DOWN simulé");

    public Task<IReadOnlyList<DiagnosticLicenseErrorCount>> CountErrorGroupByLicenseAsync(
        DiagnosticErrorGroupOccurrenceQuery query,
        int limit,
        CancellationToken cancellationToken = default) =>
        throw new InvalidOperationException("PostgreSQL DOWN simulé");

    public Task<DiagnosticEventRecord?> GetByIdAsync(
        long id,
        CancellationToken cancellationToken = default) =>
        throw new InvalidOperationException("PostgreSQL DOWN simulé");

    public Task<IReadOnlyList<DiagnosticEventRecord>> GetCorrelatedAsync(
        DiagnosticCorrelationQuery query,
        CancellationToken cancellationToken = default)
    {
        query.Validate();

        // Sans identifiant, le contrat exige « aucune requête » (§T3/17) : le résultat
        // vide est retourné SANS toucher PostgreSQL, même si la base est down.
        return query.HasAnyIdentifier
            ? throw new InvalidOperationException("PostgreSQL DOWN simulé")
            : Task.FromResult<IReadOnlyList<DiagnosticEventRecord>>([]);
    }

    public Task<IReadOnlyList<string>> GetFilterOptionsAsync(
        DiagnosticFilterDimension dimension,
        DateTimeOffset fromUtc,
        int limit,
        CancellationToken cancellationToken = default) =>
        throw new InvalidOperationException("PostgreSQL DOWN simulé");

    public Task<IReadOnlyList<DiagnosticRecentCorrelation>> GetRecentCorrelationsAsync(
        DiagnosticCorrelationDimension dimension,
        DateTimeOffset fromUtc,
        int limit,
        CancellationToken cancellationToken = default) =>
        throw new InvalidOperationException("PostgreSQL DOWN simulé");

    public Task<long> CountActiveDevicesAsync(
        DeviceFleetQuery query,
        CancellationToken cancellationToken = default) =>
        throw new InvalidOperationException("PostgreSQL DOWN simulé");

    public Task<IReadOnlyList<DeviceDistribution>> CountDevicesGroupedAsync(
        DeviceFleetDimension dimension,
        DeviceFleetQuery query,
        CancellationToken cancellationToken = default) =>
        throw new InvalidOperationException("PostgreSQL DOWN simulé");

    public Task<DeviceFleetQueryResult> GetDevicesAsync(
        DeviceFleetQuery query,
        CancellationToken cancellationToken = default) =>
        throw new InvalidOperationException("PostgreSQL DOWN simulé");

    public Task<IReadOnlyList<DeviceDistribution>> CountDevicesByLicenseAsync(
        DeviceFleetQuery query,
        CancellationToken cancellationToken = default) =>
        throw new InvalidOperationException("PostgreSQL DOWN simulé");

    public Task<IReadOnlyList<ScreenUsageRecord>> GetScreenUsageAsync(
        UsageTelemetryQuery query,
        CancellationToken cancellationToken = default) =>
        throw new InvalidOperationException("PostgreSQL DOWN simulé");

    public Task<IReadOnlyList<FeatureUsageRecord>> GetFeatureUsageAsync(
        UsageTelemetryQuery query,
        CancellationToken cancellationToken = default) =>
        throw new InvalidOperationException("PostgreSQL DOWN simulé");
}