using Avalonia_EFCore.Models;
using Microsoft.EntityFrameworkCore;

namespace Avalonia_EFCore.Database
{
    /// <summary>
    /// 应用数据库上下文 —— 继承自 Avalonia-EFCore 的 AppDbContext。
    /// 所有业务实体在此注册 DbSet。
    /// 这是 Avalonia-API 和 Avalonia-PC 共用的具体数据上下文。
    /// </summary>
    public class AppDataContext(DatabaseConfiguration dbConfig) : AppDbContext(dbConfig)
    {
        /// <summary>天气预报数据</summary>
        public DbSet<WeatherForecastEntity> WeatherForecasts => Set<WeatherForecastEntity>();

        /// <summary>用户数据</summary>
        public DbSet<UserEntity> Users => Set<UserEntity>();

        /// <summary>API refresh token 数据</summary>
        public DbSet<ApiRefreshTokenEntity> ApiRefreshTokens => Set<ApiRefreshTokenEntity>();

        /// <summary>
        /// 配置实体映射，包括主键、索引和属性约束。
        /// </summary>
        /// <param name="modelBuilder">模型构建器。</param>
        protected override void OnModelCreating(ModelBuilder modelBuilder)
        {
            base.OnModelCreating(modelBuilder);

            modelBuilder.Entity<WeatherForecastEntity>(entity =>
            {
                entity.HasKey(e => e.Id).HasName("pk-weather-forecast");
                entity.Property(e => e.Summary).HasMaxLength(200);
            });

            modelBuilder.Entity<UserEntity>(entity =>
            {
                entity.HasKey(e => e.Id).HasName("pk-user");
                entity.Property(e => e.Email).HasMaxLength(200);
            });

            modelBuilder.Entity<ApiRefreshTokenEntity>(entity =>
            {
                entity.HasKey(e => e.Id).HasName("pk-api-refresh-token");
                entity.HasIndex(e => e.TokenHash).IsUnique().HasDatabaseName("idx-api-refresh-token-hash");
                entity.HasIndex(e => e.UserId).HasDatabaseName("idx-api-refresh-token-user-id");
            });
        }
    }
}