using System.Data.SqlClient;
using System.Text.Json;
using Dapper;
using Microsoft.Extensions.Logging;
using Npgsql;
using ProjectGSM.Entities;
using ProjectGSM.Query;

namespace ProjectGSM.Repositories.Implementations;

public class StatusHistoryRepository : IStatusHistoryRepository
{
    private readonly IConnectionString _connectionString;
    private readonly ILogger<StatusHistoryRepository> _logger;

    public StatusHistoryRepository(IConnectionString connectionString,
        ILogger<StatusHistoryRepository> logger)
    {
        _connectionString = connectionString;
        _logger = logger;
    }

    public IEnumerable<StatusHistory> ReadStatusHistories(DateTime? dateForm = null, DateTime? dateTo = null,
    int? caseId = null)
{
    _logger.LogInformation("Получение всех объектов");
    try
    {
        var builder = new QueryBuilder();
        if (dateForm.HasValue)
        {
            builder.AddCondition("sh.CreatedAt >= @dateForm");
        }
        if (dateTo.HasValue)
        {
            builder.AddCondition("sh.CreatedAt <= @dateTo");
        }
        if (caseId.HasValue)
        {
            builder.AddCondition("sh.caseid = @caseId");
        }

        using var connection = new
            NpgsqlConnection(_connectionString.ConnectionString);
        var querySelect =
            @$"SELECT sh.*, c.description as CaseDescription FROM status_histories as sh LEFT JOIN cases as c ON c.id = sh.caseid{builder.Build()}";
        var statusHistories =
            connection.Query<StatusHistory>(querySelect, new { dateForm, dateTo, caseId });
        _logger.LogDebug("Полученные объекты: {json}",
            JsonSerializer.Serialize(statusHistories));
        return statusHistories;
    }
    catch (Exception ex)
    {
        _logger.LogError(ex, "Ошибка при чтении объектов");
        throw;
    }
}

    public void CreateStatusHistory(StatusHistory statusHistory)
    {
        _logger.LogInformation("Добавление объекта");
        _logger.LogDebug("Объект: {json}",
            JsonSerializer.Serialize(statusHistory));
        try
        {
            using var connection = new
                NpgsqlConnection(_connectionString.ConnectionString);
            var queryInsert = @"
                                INSERT INTO status_histories (caseid, status, price, createdat)
                                VALUES (@CaseId, @Status, @Price, @CreatedAt)";
            connection.Execute(queryInsert, statusHistory);
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "Ошибка при добавлении объекта");
            throw;
        }
    }

    public void DeleteStatusHistory(int statusId, int caseId)
    {
        _logger.LogInformation("Удаление объекта");
        _logger.LogDebug("Идентификаторы: {statusId}, {caseId}", statusId, caseId);
        try
        {
            using var connection = new
                NpgsqlConnection(_connectionString.ConnectionString);
            var queryDelete = @"DELETE FROM status_histories WHERE status = @Status AND caseid = @CaseId";
            connection.Execute(queryDelete, new { StatusId = statusId, CaseId = caseId });
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "Ошибка при удалении объекта");
            throw;
        }
    }
}