using System;
using System.Collections.Generic;

namespace HikvisionAttendanceService.Data;

internal interface IHrmsDbConnectionFactory
{
    string BuildConnectionStringMasked();
    bool TryBuildConnectionString(out string connectionString, out string error);
}

internal interface IAttendanceMachineRepository
{
    List<AttendanceMachineRow> GetActiveMachines(string? machineTypeFilter, out string error);
    /// <summary>Lookup by IP without site-scope filtering (used for sync targets).</summary>
    bool TryGetMachineByIp(string machineIp, out AttendanceMachineRow? row, out string error);
    /// <summary>Lookup by machine_id without site-scope filtering (used for sync targets).</summary>
    bool TryGetMachineByMachineId(string machineId, out AttendanceMachineRow? row, out string error);
    void UpdateMachineSyncState(string machineIp, string status, DateTime? lastSyncDate, int? totalUsers, out string error);
    bool TryGetMachineLastSyncDate(string machineIp, out DateTime? lastSyncDate, out string error);
    bool UpdateMachineLastSyncDate(string machineIp, DateTime lastSyncDate, out string error);
}

internal interface IAttendanceLogRepository
{
    /// <summary>
    /// Inserts one attendance_log row. Does not use REPLACE until mapping is confirmed.
    /// <paramref name="acNo"/> must be a non-empty numeric employee string (never "").
    /// </summary>
    bool InsertAttendance(
        string acNo,
        int acNoInt,
        DateTime checkTime,
        int processed,
        string machineId,
        int inOutTypeId,
        string machineIp,
        DateTime dateOnly,
        Action<string>? log,
        out string error);

    /// <summary>
    /// Inserts one terry_attendance_log row for CONTRACTOR WORKER punches.
    /// Returns false with error when a same punch already exists (duplicate protection).
    /// </summary>
    bool InsertTerryAttendance(
        string acNo,
        DateTime checkTime,
        int processed,
        string machineId,
        int inOutTypeId,
        string machineIp,
        DateTime dateOnly,
        DateTime forDate,
        Action<string>? log,
        out bool wasDuplicate,
        out string error);
}

internal interface IEmployeeLookupRepository
{
    /// <summary>
    /// Looks up employee.worker_type by employee.serial_number_int (= Hikvision employeeNo).
    /// Returns false when no matching employee row exists.
    /// </summary>
    bool TryGetWorkerTypeBySerialNumberInt(int serialNumberInt, out string? workerType, out string error);
}

internal interface IAttendanceMachineUserRepository
{
    List<AttendanceMachineUserRow> GetActiveUsersByMachine(string machineId, out string error);
    List<AttendanceMachineUserRow> GetPendingDeletionUsersByMachine(string machineId, out string error);
    bool UpsertMachineUser(string machineId, string serialNumber, string employeeName, string updatedBy, out string error);
    bool MarkDeleted(string machineId, string serialNumber, string updatedBy, out string error);
}

internal interface IAttendanceMachineFaceTemplateRepository
{
    bool UpsertFaceTemplate(string serialNo, byte[] template, DateTime createdDate, bool isActive, string? sourceMachineId, string? sourceMachineIp, out bool createdNew, out string error);
    bool TryGetActiveFaceTemplateBySerial(string serialNo, out AttendanceMachineFaceTemplateRow? row, out string error);
}