using CvSearch.Data.Entities;
using Microsoft.EntityFrameworkCore;

namespace CvSearch.Data;

public sealed class CvSearchDbContext : DbContext
{
    public const string SchemaName = MigrationConstants.SchemaName;
    public const string MigrationTableName = MigrationConstants.MigrationTableName;

    public CvSearchDbContext(DbContextOptions<CvSearchDbContext> options) : base(options) { }

    public DbSet<JobSearchTokenEntity> JobSearchTokens => Set<JobSearchTokenEntity>();
    public DbSet<JobSearchSessionEntity> JobSearchSessions => Set<JobSearchSessionEntity>();
    public DbSet<JobSearchResultEntity> JobSearchResults => Set<JobSearchResultEntity>();
    public DbSet<JobProviderEntity> JobProviders => Set<JobProviderEntity>();

    protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
    {
        base.OnConfiguring(optionsBuilder);
        // Configure migration history table to use schema-qualified name: [cvSearch].[_Migrations]
        optionsBuilder.UseSqlServer(x => x.MigrationsHistoryTable(MigrationTableName, SchemaName));
    }

    protected override void OnModelCreating(ModelBuilder modelBuilder)
    {
        modelBuilder.HasDefaultSchema(SchemaName);

        modelBuilder.Entity<JobSearchTokenEntity>(entity =>
        {
            entity.ToTable("JobSearchTokens");
            entity.HasKey(x => x.Id);
            entity.Property(x => x.Id).HasMaxLength(64);
            entity.Property(x => x.CvDocumentId).HasMaxLength(64).IsRequired();
            entity.Property(x => x.Email).HasMaxLength(256).IsRequired();
            entity.Property(x => x.Language).HasMaxLength(8).HasDefaultValue("en").IsRequired();
            entity.Property(x => x.Used).HasDefaultValue(false);
            entity.Property(x => x.CreatedAt).HasDefaultValueSql("SYSUTCDATETIME()");
        });

        modelBuilder.Entity<JobSearchSessionEntity>(entity =>
        {
            entity.ToTable("JobSearchSessions");
            entity.HasKey(x => x.Id);
            entity.Property(x => x.Id).HasMaxLength(64);
            entity.Property(x => x.TokenId).HasMaxLength(64).IsRequired();
            entity.Property(x => x.CvDocumentId).HasMaxLength(64).IsRequired();
            entity.Property(x => x.Email).HasMaxLength(256).IsRequired();
            entity.Property(x => x.Status).HasMaxLength(32).IsRequired();
            entity.Property(x => x.Keywords).HasMaxLength(1000);
            entity.Property(x => x.ProviderConfigJson).IsRequired(false);
            entity.Property(x => x.Language).HasMaxLength(8).HasDefaultValue("en").IsRequired();
            entity.Property(x => x.CreatedAt).HasDefaultValueSql("SYSUTCDATETIME()");
            entity.HasIndex(x => x.Status);
        });

        modelBuilder.Entity<JobSearchResultEntity>(entity =>
        {
            entity.ToTable("JobSearchResults");
            entity.HasKey(x => x.Id);
            entity.Property(x => x.Id).HasMaxLength(64);
            entity.Property(x => x.SessionId).HasMaxLength(64).IsRequired();
            entity.Property(x => x.ProviderName).HasMaxLength(128);
            entity.Property(x => x.JobUrl).HasMaxLength(2048);
            entity.Property(x => x.JobTitle).HasMaxLength(512);
            entity.Property(x => x.CreatedAt).HasDefaultValueSql("SYSUTCDATETIME()");
            entity.HasIndex(x => x.SessionId);
        });

        modelBuilder.Entity<JobProviderEntity>(entity =>
        {
            entity.ToTable("JobProviders");
            entity.HasKey(x => x.Id);
            entity.Property(x => x.Id).UseIdentityColumn();
            entity.Property(x => x.Name).HasMaxLength(128).IsRequired();
            entity.Property(x => x.SearchUrlTemplate).HasMaxLength(1024).IsRequired();
            entity.Property(x => x.JobLinkContains).HasMaxLength(256).IsRequired();
            entity.Property(x => x.InitialKeywordsJson).HasMaxLength(2000).HasDefaultValue("[]").IsRequired();
            entity.Property(x => x.MaxResults).HasDefaultValue(20);
            entity.Property(x => x.DisplayOrder).HasDefaultValue(0);
        });
    }
}