using FrameworkDAL.DTO.EIPConversation;
using FrameworkDAL.Query.EIPConversation.EIPCapabilityAdmin;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.GenerateAutoNumber;
using GB5Shared.QueryExecutor;
using Microsoft.Extensions.Logging;
using System;
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
using static GB5Shared.GB5Constant.Constant;

namespace FrameworkDAL.CustomCode.EIPConversation.EIPCapabilityAdmin
{
    public class EIPCapabilityAdminDAL : IEIPCapabilityAdminDAL
    {
        private readonly IQueryExecutor _qe;
        private readonly AutoNumber _autoNumber;
        private readonly ILogger<EIPCapabilityAdminDAL> _logger;

        public EIPCapabilityAdminDAL(IQueryExecutor qe, AutoNumber autoNumber, ILogger<EIPCapabilityAdminDAL> logger)
        {
            _qe         = qe         ?? throw new ArgumentNullException(nameof(qe));
            _autoNumber = autoNumber ?? throw new ArgumentNullException(nameof(autoNumber));
            _logger     = logger     ?? throw new ArgumentNullException(nameof(logger));
        }

        public async Task<IEnumerable<EIPCapabilityAdminDTO>> GetCapabilityListAsync(
            string? search,
            LoginDTO login,
            CancellationToken ct = default)
        {
            ct.ThrowIfCancellationRequested();

            try
            {
                _logger.LogInformation(
                    "DAL | GetCapabilityList | Tenant={TenantId} | Search={Search}",
                    login.ClientId, search);

                var result = await _qe.QueryAsync<EIPCapabilityAdminDTO>(
                    login,
                    EIPCapabilityAdminQB.GET_CAPABILITY_LIST,
                    new { TenantId = login.ClientId, Search = search },
                    cancellationToken: ct).ConfigureAwait(false);

                return result ?? [];
            }
            catch (OperationCanceledException)
            {
                _logger.LogWarning("DAL | GetCapabilityList | Cancelled | Tenant={TenantId}", login.ClientId);
                throw;
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "DAL | GetCapabilityList | Error | Tenant={TenantId}", login.ClientId);
                throw;
            }
        }

        public async Task<EIPCapabilityAdminDTO?> GetCapabilityAsync(
            int capabilityId,
            LoginDTO login,
            CancellationToken ct = default)
        {
            ct.ThrowIfCancellationRequested();

            try
            {
                _logger.LogInformation(
                    "DAL | GetCapability | Tenant={TenantId} | CapabilityId={CapabilityId}",
                    login.ClientId, capabilityId);

                return await _qe.QuerySingleAsync<EIPCapabilityAdminDTO>(
                    login,
                    EIPCapabilityAdminQB.GET_CAPABILITY,
                    new { CapabilityId = capabilityId, TenantId = login.ClientId },
                    cancellationToken: ct).ConfigureAwait(false);
            }
            catch (OperationCanceledException)
            {
                _logger.LogWarning("DAL | GetCapability | Cancelled | CapabilityId={Id}", capabilityId);
                throw;
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "DAL | GetCapability | Error | CapabilityId={Id}", capabilityId);
                throw;
            }
        }

        public async Task<int> InsertCapabilityAsync(
            EIPCapabilityAdminDTO dto,
            LoginDTO login,
            CancellationToken ct = default)
        {
            ct.ThrowIfCancellationRequested();

            try
            {
                _logger.LogInformation(
                    "DAL | InsertCapability | Tenant={TenantId} | CapabilityCode={CapabilityCode}",
                    login.ClientId, dto.CapabilityCode);

                // CAPABILITYID is a plain INT PK (not IDENTITY) — must be generated here.
                var auto = await _autoNumber.GetNumberAsync(1, AUTONUMBERCONSTANT.EIPCAPABILITY, login)
                    .ConfigureAwait(false);
                var newId = auto.StartNumber;

                await _qe.ExecuteAsync(
                    login,
                    EIPCapabilityAdminQB.INSERT_CAPABILITY,
                    new
                    {
                        CapabilityId      = newId,
                        TenantId          = login.ClientId,
                        dto.CapabilityCode,
                        dto.CapabilityName,
                        dto.Description,
                        dto.RiskLevel,
                        dto.RequiresOtp,
                        dto.RequiresApproval,
                        dto.AuditRequired,
                        dto.CapabilityVersion,
                        dto.IsActive,
                        dto.Version,
                        CreatedById       = login.UserId
                    },
                    cancellationToken: ct).ConfigureAwait(false);

                _logger.LogInformation("DAL | InsertCapability | Completed | NewId={NewId}", newId);
                return newId;
            }
            catch (OperationCanceledException)
            {
                _logger.LogWarning("DAL | InsertCapability | Cancelled | CapabilityCode={Code}", dto.CapabilityCode);
                throw;
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "DAL | InsertCapability | Error | CapabilityCode={Code}", dto.CapabilityCode);
                throw;
            }
        }

        public async Task UpdateCapabilityAsync(
            EIPCapabilityAdminDTO dto,
            LoginDTO login,
            CancellationToken ct = default)
        {
            ct.ThrowIfCancellationRequested();

            try
            {
                _logger.LogInformation(
                    "DAL | UpdateCapability | Tenant={TenantId} | CapabilityId={CapabilityId}",
                    login.ClientId, dto.CapabilityId);

                await _qe.ExecuteAsync(
                    login,
                    EIPCapabilityAdminQB.UPDATE_CAPABILITY,
                    new
                    {
                        dto.CapabilityId,
                        TenantId          = login.ClientId,
                        dto.CapabilityCode,
                        dto.CapabilityName,
                        dto.Description,
                        dto.RiskLevel,
                        dto.RequiresOtp,
                        dto.RequiresApproval,
                        dto.AuditRequired,
                        dto.CapabilityVersion,
                        dto.IsActive,
                        dto.Version,
                        ModifiedById      = login.UserId
                    },
                    cancellationToken: ct).ConfigureAwait(false);
            }
            catch (OperationCanceledException)
            {
                _logger.LogWarning("DAL | UpdateCapability | Cancelled | CapabilityId={Id}", dto.CapabilityId);
                throw;
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "DAL | UpdateCapability | Error | CapabilityId={Id}", dto.CapabilityId);
                throw;
            }
        }

        public async Task DeleteCapabilityAsync(
            int capabilityId,
            LoginDTO login,
            CancellationToken ct = default)
        {
            ct.ThrowIfCancellationRequested();

            try
            {
                _logger.LogInformation(
                    "DAL | DeleteCapability | Tenant={TenantId} | CapabilityId={CapabilityId}",
                    login.ClientId, capabilityId);

                await _qe.ExecuteAsync(
                    login,
                    EIPCapabilityAdminQB.DELETE_CAPABILITY,
                    new
                    {
                        CapabilityId = capabilityId,
                        TenantId     = login.ClientId,
                        ModifiedById = login.UserId
                    },
                    cancellationToken: ct).ConfigureAwait(false);
            }
            catch (OperationCanceledException)
            {
                _logger.LogWarning("DAL | DeleteCapability | Cancelled | CapabilityId={Id}", capabilityId);
                throw;
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "DAL | DeleteCapability | Error | CapabilityId={Id}", capabilityId);
                throw;
            }
        }

        public async Task<bool> CapabilityCodeExistsAsync(
            string capabilityCode,
            int excludeCapabilityId,
            LoginDTO login,
            CancellationToken ct = default)
        {
            ct.ThrowIfCancellationRequested();

            var count = await _qe.ExecuteScalarAsync<int>(
                login,
                EIPCapabilityAdminQB.EXISTS_CAPABILITYCODE,
                new
                {
                    CapabilityCode = capabilityCode,
                    CapabilityId   = excludeCapabilityId
                },
                cancellationToken: ct).ConfigureAwait(false);

            return count == 1;
        }
    }
}