using HZY.Framework.DependencyInjection.Attributes;
using MiaoYu.Core.CodeGenerator.Abstractions;
using CoreDbTableInfo = MiaoYu.Core.CodeGenerator.Models.DbTableInfo;
using CoreDbColumnInfo = MiaoYu.Core.CodeGenerator.Models.DbColumnInfo;
using MiaoYu.Repository.Admin.Entities.LowCode;

namespace MiaoYu.Api.Admin.ApplicationServices.DevelopmentTools.LowCode.Providers;

/// <summary>
/// Admin 数据源提供者
/// </summary>
[Component]
public class AdminDataSourceProvider : IDataSourceProvider, IScopedDependency
{
    private readonly IRepository<LowCodeTable> _repository;

    public AdminDataSourceProvider(IRepository<LowCodeTable> repository)
    {
        _repository = repository;
    }

    public DataSourceConfig Config => new DataSourceConfig
    {
        DatabaseKey = DataSourceConstants.Admin,
        DisplayName = "后台管理系统",
        EntityNamespace = typeof(AdminRepositoryStartup).Namespace!,
        ModelPathTemplate = "{RootPath}\\{Namespace}\\Entities\\Apps\\{EntityNamePlural}",
        ServicePathTemplate = "{AppPath}\\ApplicationServices\\Apps\\{EntityNamePlural}",
        ControllerPathTemplate = "{AppPath}\\Controllers\\Apps\\{EntityNamePlural}",
        ClientIndexPathTemplate = "{RootPath}\\admin-client\\src\\views\\apps\\{TableName}s",
        ClientInfoPathTemplate = "{RootPath}\\admin-client\\src\\views\\apps\\{TableName}s",
        ClientServicePathTemplate = "{RootPath}\\admin-client\\src\\services\\apps\\{TableName}s",
        TemplatePath = "/wwwroot/code_generation/template/",
        NamingStrategy = EntityNamingStrategy.ToPascalCase,
        Order = 1,
        EnableEntityPrefix = false,
        EntityPrefix = "",
        UsesPluralPath = true
    };

    public List<CoreDbTableInfo> GetTables()
    {
        var freeSqlTables = _repository.UnitOfWork.FreeSqlOrm.DbFirst.GetTablesByDatabase();
        return ConvertToDbTableInfoList(freeSqlTables);
    }

    public object GetDbContext() => _repository.GetContext()!;

    private List<CoreDbTableInfo> ConvertToDbTableInfoList(List<FreeSql.DatabaseModel.DbTableInfo> freeSqlTables)
    {
        var result = new List<CoreDbTableInfo>();
        foreach (var table in freeSqlTables)
        {
            var dbTableInfo = new CoreDbTableInfo
            {
                DataBase = Config.DatabaseKey,
                Schema = table.Schema,
                Name = table.Name,
                Type = table.Type.ToString(),
                Comment = table.Comment,
                Columns = table.Columns?.Select(c => new CoreDbColumnInfo
                {
                    Name = c.Name,
                    Comment = c.Comment,
                    IsPrimary = c.IsPrimary,
                    IsIdentity = c.IsIdentity,
                    IsNullable = c.IsNullable,
                    Position = c.Position,
                    DbType = c.DbTypeTextFull,
                    CsType = c.CsType?.Name,
                    MaxLength = c.MaxLength
                }).ToList()
            };
            result.Add(dbTableInfo);
        }
        return result;
    }
}