using Microsoft.AspNetCore.Components;
using CredentialManager.Models;
using CredentialManager.Services;
using System.ComponentModel.DataAnnotations;

namespace Components;

public partial class ProfileSaver
{
    [Inject] private ICredentialService CredentialService { get; set; } = default!;
    
    [Parameter] public bool CanSave { get; set; }
    [Parameter] public string SourceType { get; set; } = "";
    [Parameter] public int? SourceCredentialId { get; set; }
    [Parameter] public string? SourceCredentialName { get; set; }
    [Parameter] public string? SourceDatabaseName { get; set; }
    [Parameter] public string? SourceSchema { get; set; }
    [Parameter] public string? SourceTable { get; set; }
    [Parameter] public string? SourceCustomQuery { get; set; }
    [Parameter] public string? SourceFilePath { get; set; }
    [Parameter] public string DestinationType { get; set; } = "";
    [Parameter] public int? DestinationCredentialId { get; set; }
    [Parameter] public string? DestinationCredentialName { get; set; }
    [Parameter] public string? DestinationSchema { get; set; }
    [Parameter] public string? DestinationTable { get; set; }
    [Parameter] public string? DestinationEndpoint { get; set; }
    [Parameter] public List<FieldMappingDto>? FieldMappings { get; set; }
    [Parameter] public string? SourceKeyField { get; set; }
    [Parameter] public bool UseRecordAssociations { get; set; }
    [Parameter] public EventCallback<DataCouplerProfileDto> OnProfileSaved { get; set; }

    private bool ShowSaveForm { get; set; } = false;
    private bool IsSaving { get; set; } = false;
    private string SaveMessage { get; set; } = "";
    private string SaveMessageType { get; set; } = "info";
    private ProfileFormModel ProfileData { get; set; } = new();

    private void ShowSaveDialog()
    {
        ProfileData = new ProfileFormModel();
        ShowSaveForm = true;
        SaveMessage = "";
    }

    private void CancelSave()
    {
        ShowSaveForm = false;
        SaveMessage = "";
        ProfileData = new();
    }

    private async Task SaveProfile()
    {
        IsSaving = true;
        SaveMessage = "";

        try
        {
            // Recupera automaticamente il nome del database dalla connessione attiva
            var sourceDatabaseName = await GetSourceDatabaseNameAsync();
            
            var profileDto = new DataCouplerProfileDto
            {
                Name = ProfileData.Name,
                Description = ProfileData.Description,
                SourceType = SourceType,
                SourceCredentialId = SourceCredentialId,
                SourceCredentialName = SourceCredentialName,
                SourceDatabaseName = sourceDatabaseName,
                SourceSchema = SourceSchema,
                SourceTable = SourceTable,
                SourceCustomQuery = SourceCustomQuery,
                SourceFilePath = SourceFilePath,
                DestinationType = DestinationType,
                DestinationCredentialId = DestinationCredentialId,
                DestinationCredentialName = DestinationCredentialName,
                DestinationSchema = DestinationSchema,
                DestinationTable = DestinationTable,
                DestinationEndpoint = DestinationEndpoint,
                FieldMappings = FieldMappings,
                SourceKeyField = SourceKeyField,
                UseRecordAssociations = UseRecordAssociations
            };

            await OnProfileSaved.InvokeAsync(profileDto);
            
            SaveMessage = $"Profilo '{ProfileData.Name}' salvato con successo!";
            SaveMessageType = "success";
            
            // Reset form after successful save
            await Task.Delay(1500); // Show success message briefly
            ShowSaveForm = false;
            ProfileData = new();
        }
        catch (Exception ex)
        {
            SaveMessage = $"Errore nel salvataggio: {ex.Message}";
            SaveMessageType = "danger";
        }
        finally
        {
            IsSaving = false;
        }
    }

    private string GetSourceSummary()
    {
        return SourceType switch
        {
            "database" => "Database",
            "file" => "File Excel/CSV",
            _ => "Non configurato"
        };
    }

    private string GetDestinationSummary()
    {
        return DestinationType switch
        {
            "database" => "Database",
            "rest" => "REST API",
            _ => "Non configurato"
        };
    }

    public void SetMessage(string message, string type = "info")
    {
        SaveMessage = message;
        SaveMessageType = type;
    }

    private async Task<string?> GetSourceDatabaseNameAsync()
    {
        // Prima priorità: se SourceDatabaseName è già impostato come parametro, usa quello
        if (!string.IsNullOrEmpty(SourceDatabaseName))
        {
            return SourceDatabaseName;
        }

        // Seconda priorità: se abbiamo un SourceCredentialId, recupera il database dalle credenziali
        if (SourceCredentialId.HasValue)
        {
            try
            {
                var credential = await CredentialService.GetDatabaseCredentialAsync(SourceCredentialId.Value);
                if (credential != null && !string.IsNullOrEmpty(credential.DatabaseName))
                {
                    return credential.DatabaseName;
                }
            }
            catch (Exception)
            {
                // Se non riesce a recuperare le credenziali, continua con null
            }
        }
        
        return null;
    }

    public class ProfileFormModel
    {
        [Required(ErrorMessage = "Il nome del profilo è obbligatorio")]
        [StringLength(100, ErrorMessage = "Il nome non può superare i 100 caratteri")]
        public string Name { get; set; } = "";

        [StringLength(500, ErrorMessage = "La descrizione non può superare i 500 caratteri")]
        public string? Description { get; set; }
    }
}