using Microsoft.EntityFrameworkCore;
using MiAssessment.Admin.Business.Entities;

namespace MiAssessment.Admin.Business.Data;

/// <summary>
/// Admin 业务模块数据库上下文
/// 用于访问业务数据库中的所有业务表
/// </summary>
public class AdminBusinessDbContext : DbContext
{
    public AdminBusinessDbContext(DbContextOptions<AdminBusinessDbContext> options) : base(options)
    {
    }

    #region 系统配置

    /// <summary>
    /// 系统配置表
    /// </summary>
    public DbSet<Config> Configs { get; set; } = null!;

    #endregion

    #region 内容管理

    /// <summary>
    /// 轮播图表
    /// </summary>
    public DbSet<Banner> Banners { get; set; } = null!;

    /// <summary>
    /// 宣传图表
    /// </summary>
    public DbSet<Promotion> Promotions { get; set; } = null!;

    #endregion

    #region 测评管理

    /// <summary>
    /// 测评类型表
    /// </summary>
    public DbSet<AssessmentType> AssessmentTypes { get; set; } = null!;

    /// <summary>
    /// 题目表
    /// </summary>
    public DbSet<Question> Questions { get; set; } = null!;

    /// <summary>
    /// 报告分类表
    /// </summary>
    public DbSet<ReportCategory> ReportCategories { get; set; } = null!;

    /// <summary>
    /// 题目分类映射表
    /// </summary>
    public DbSet<QuestionCategoryMapping> QuestionCategoryMappings { get; set; } = null!;

    /// <summary>
    /// 报告结论表
    /// </summary>
    public DbSet<ReportConclusion> ReportConclusions { get; set; } = null!;

    /// <summary>
    /// 测评记录表
    /// </summary>
    public DbSet<AssessmentRecord> AssessmentRecords { get; set; } = null!;

    /// <summary>
    /// 测评答案表
    /// </summary>
    public DbSet<AssessmentAnswer> AssessmentAnswers { get; set; } = null!;

    /// <summary>
    /// 测评结果表
    /// </summary>
    public DbSet<AssessmentResult> AssessmentResults { get; set; } = null!;

    #endregion

    #region 用户管理

    /// <summary>
    /// 用户表
    /// </summary>
    public DbSet<User> Users { get; set; } = null!;

    #endregion

    #region 订单管理

    /// <summary>
    /// 订单表
    /// </summary>
    public DbSet<Order> Orders { get; set; } = null!;

    #endregion

    #region 规划师管理

    /// <summary>
    /// 规划师表
    /// </summary>
    public DbSet<Planner> Planners { get; set; } = null!;

    /// <summary>
    /// 规划预约表
    /// </summary>
    public DbSet<PlannerBooking> PlannerBookings { get; set; } = null!;

    #endregion

    #region 分销管理

    /// <summary>
    /// 邀请码表
    /// </summary>
    public DbSet<InviteCode> InviteCodes { get; set; } = null!;

    /// <summary>
    /// 佣金记录表
    /// </summary>
    public DbSet<Commission> Commissions { get; set; } = null!;

    /// <summary>
    /// 提现记录表
    /// </summary>
    public DbSet<Withdrawal> Withdrawals { get; set; } = null!;

    #endregion

    #region 业务介绍页管理

    /// <summary>
    /// 业务介绍页表
    /// </summary>
    public DbSet<BusinessPage> BusinessPages { get; set; } = null!;

    #endregion

    protected override void OnModelCreating(ModelBuilder modelBuilder)
    {
        base.OnModelCreating(modelBuilder);

        // =============================================
        // Config 配置
        // =============================================
        modelBuilder.Entity<Config>(entity =>
        {
            // ConfigKey 唯一索引
            entity.HasIndex(e => e.ConfigKey)
                .IsUnique()
                .HasDatabaseName("UK_configs_key");

            // ConfigValue 使用 nvarchar(max)
            entity.Property(e => e.ConfigValue)
                .HasColumnType("nvarchar(max)");
        });

        // =============================================
        // User 配置
        // =============================================
        modelBuilder.Entity<User>(entity =>
        {
            // Uid 唯一索引
            entity.HasIndex(e => e.Uid)
                .IsUnique()
                .HasDatabaseName("UK_users_uid");

            // OpenId 唯一索引
            entity.HasIndex(e => e.OpenId)
                .IsUnique()
                .HasDatabaseName("UK_users_open_id");

            // 金额字段精度配置
            entity.Property(e => e.Balance)
                .HasColumnType("decimal(10,2)");

            entity.Property(e => e.TotalIncome)
                .HasColumnType("decimal(10,2)");

            entity.Property(e => e.WithdrawnAmount)
                .HasColumnType("decimal(10,2)");
        });

        // =============================================
        // AssessmentType 配置
        // =============================================
        modelBuilder.Entity<AssessmentType>(entity =>
        {
            // Code 唯一索引
            entity.HasIndex(e => e.Code)
                .IsUnique()
                .HasDatabaseName("UK_assessment_types_code");

            // IntroContent 使用 nvarchar(max)
            entity.Property(e => e.IntroContent)
                .HasColumnType("nvarchar(max)");

            // Price 精度配置
            entity.Property(e => e.Price)
                .HasColumnType("decimal(10,2)");
        });

        // =============================================
        // Question 配置
        // =============================================
        modelBuilder.Entity<Question>(entity =>
        {
            // (AssessmentTypeId, QuestionNo) 复合唯一索引
            entity.HasIndex(e => new { e.AssessmentTypeId, e.QuestionNo })
                .IsUnique()
                .HasDatabaseName("UK_questions_type_no");
        });

        // =============================================
        // QuestionCategoryMapping 配置
        // =============================================
        modelBuilder.Entity<QuestionCategoryMapping>(entity =>
        {
            // (QuestionId, CategoryId) 复合唯一索引
            entity.HasIndex(e => new { e.QuestionId, e.CategoryId })
                .IsUnique()
                .HasDatabaseName("UK_question_category_mappings");
        });

        // =============================================
        // ReportConclusion 配置
        // =============================================
        modelBuilder.Entity<ReportConclusion>(entity =>
        {
            // Content 使用 nvarchar(max)
            entity.Property(e => e.Content)
                .HasColumnType("nvarchar(max)");
        });

        // =============================================
        // Order 配置
        // =============================================
        modelBuilder.Entity<Order>(entity =>
        {
            // OrderNo 唯一索引
            entity.HasIndex(e => e.OrderNo)
                .IsUnique()
                .HasDatabaseName("UK_orders_order_no");

            // 金额字段精度配置
            entity.Property(e => e.Amount)
                .HasColumnType("decimal(10,2)");

            entity.Property(e => e.PayAmount)
                .HasColumnType("decimal(10,2)");

            entity.Property(e => e.RefundAmount)
                .HasColumnType("decimal(10,2)");
        });

        // =============================================
        // Planner 配置
        // =============================================
        modelBuilder.Entity<Planner>(entity =>
        {
            // Price 精度配置
            entity.Property(e => e.Price)
                .HasColumnType("decimal(10,2)");
        });

        // =============================================
        // PlannerBooking 配置
        // =============================================
        modelBuilder.Entity<PlannerBooking>(entity =>
        {
            // BookingDate 使用 date 类型
            entity.Property(e => e.BookingDate)
                .HasColumnType("date");
        });

        // =============================================
        // InviteCode 配置
        // =============================================
        modelBuilder.Entity<InviteCode>(entity =>
        {
            // Code 唯一索引
            entity.HasIndex(e => e.Code)
                .IsUnique()
                .HasDatabaseName("UK_invite_codes_code");
        });

        // =============================================
        // Commission 配置
        // =============================================
        modelBuilder.Entity<Commission>(entity =>
        {
            // 金额字段精度配置
            entity.Property(e => e.OrderAmount)
                .HasColumnType("decimal(10,2)");

            entity.Property(e => e.CommissionRate)
                .HasColumnType("decimal(5,2)");

            entity.Property(e => e.CommissionAmount)
                .HasColumnType("decimal(10,2)");
        });

        // =============================================
        // Withdrawal 配置
        // =============================================
        modelBuilder.Entity<Withdrawal>(entity =>
        {
            // WithdrawalNo 唯一索引
            entity.HasIndex(e => e.WithdrawalNo)
                .IsUnique()
                .HasDatabaseName("UK_withdrawals_withdrawal_no");

            // 金额字段精度配置
            entity.Property(e => e.Amount)
                .HasColumnType("decimal(10,2)");

            entity.Property(e => e.BeforeBalance)
                .HasColumnType("decimal(10,2)");

            entity.Property(e => e.AfterBalance)
                .HasColumnType("decimal(10,2)");
        });

        // =============================================
        // AssessmentAnswer 配置
        // =============================================
        modelBuilder.Entity<AssessmentAnswer>(entity =>
        {
            // (RecordId, QuestionId) 复合唯一索引
            entity.HasIndex(e => new { e.RecordId, e.QuestionId })
                .IsUnique()
                .HasDatabaseName("UK_assessment_answers_record_question");
        });

        // =============================================
        // AssessmentResult 配置
        // =============================================
        modelBuilder.Entity<AssessmentResult>(entity =>
        {
            // 分数字段精度配置
            entity.Property(e => e.Score)
                .HasColumnType("decimal(18,2)");

            entity.Property(e => e.MaxScore)
                .HasColumnType("decimal(18,2)");

            entity.Property(e => e.Percentage)
                .HasColumnType("decimal(18,2)");
        });

        // =============================================
        // BusinessPage 配置
        // =============================================
        modelBuilder.Entity<BusinessPage>(entity =>
        {
            // Status 索引
            entity.HasIndex(e => e.Status)
                .HasDatabaseName("IX_business_pages_status");
        });
    }
}