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using System;
using System.Threading.Tasks;
using System.Collections.Generic;

using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Metadata;
using Classes;

namespace Database {
    public partial class DatabaseContext : DbContext {
        private Dictionary<string, string> Details;

        public DatabaseContext() {
            Details = Task.Run(async () => await DetailsHelper.GetDetails()).GetAwaiter().GetResult();
        }

        public DatabaseContext(DbContextOptions<DatabaseContext> options)
            : base(options) {
            Details = Task.Run(async () => await DetailsHelper.GetDetails()).GetAwaiter().GetResult();
        }

        public virtual DbSet<Article> Articles { get; set; }
        public virtual DbSet<Config> Configs { get; set; }

        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder) {
            if (!optionsBuilder.IsConfigured) {
                optionsBuilder.UseMySQL($"server=localhost;port=3306;user={Details["username"]};password={Details["password"]};database={Details["database"]}");
            }
        }

        protected override void OnModelCreating(ModelBuilder modelBuilder) {
            modelBuilder.HasAnnotation("ProductVersion", "2.2.1-servicing-10028");

            modelBuilder.Entity<Article>(entity => {
                entity.HasKey(e => e.ArticleID);

                entity.ToTable("articles", "news_aggregator");

                entity.Property(e => e.ArticleID)
                    .HasColumnName("article_id")
                    .HasColumnType("int(11)")
                    .ValueGeneratedNever();

                entity.Property(e => e.ArticleLink)
                    .HasColumnName("article_link")
                    .HasMaxLength(64)
                    .IsUnicode(false);

                entity.Property(e => e.Description)
                    .HasColumnName("description")
                    .HasMaxLength(255)
                    .IsUnicode(false);

                entity.Property(e => e.ImageLink)
                    .HasColumnName("image_link")
                    .HasMaxLength(128)
                    .IsUnicode(false);

                entity.Property(e => e.PublishDate)
                    .HasColumnName("publish_date")
                    .HasColumnType("date");

                entity.Property(e => e.Source)
                    .HasColumnName("source")
                    .HasMaxLength(8)
                    .IsUnicode(false);

                entity.Property(e => e.Title)
                    .HasColumnName("title")
                    .HasMaxLength(255)
                    .IsUnicode(false);
            });

            modelBuilder.Entity<Config>(entity => {
                entity.HasKey(e => e.ConfigID);

                entity.ToTable("configs", "news_aggregator");

                entity.Property(e => e.ConfigID)
                    .HasColumnName("config_id")
                    .HasColumnType("int(11)")
                    .ValueGeneratedNever();

                entity.Property(e => e.ArticleLink)
                    .HasColumnName("article_link")
                    .HasColumnType("int(11)");

                entity.Property(e => e.Description)
                    .HasColumnName("description")
                    .HasColumnType("int(11)");

                entity.Property(e => e.ImageLink)
                    .HasColumnName("image_link")
                    .HasColumnType("int(11)");

                entity.Property(e => e.PublishDate)
                    .HasColumnName("publish_date")
                    .HasColumnType("int(11)");

                entity.Property(e => e.Source)
                    .HasColumnName("source")
                    .HasColumnType("int(11)");

                entity.Property(e => e.Title)
                    .HasColumnName("title")
                    .HasColumnType("int(11)");
            });
        }
    }
}