using Dapper;
using Shogi.Api.Repositories.Dto;
using Shogi.Domain;
using Shogi.Domain.Aggregates;
using Shogi.Domain.ValueObjects;
using System.Data;
using System.Data.SqlClient;
using System.Text.Json;

namespace Shogi.Api.Repositories;

public class SessionRepository : ISessionRepository
{
	private readonly string connectionString;

	public SessionRepository(IConfiguration configuration)
	{
		connectionString = configuration.GetConnectionString("ShogiDatabase");
	}

	public async Task CreateSession(Session session)
	{
		var boardStateDto = new BoardStateDto
		{
			InCheck = session.BoardState.InCheck,
			IsCheckmate = session.BoardState.IsCheckmate,
			Player1Hand = session.BoardState.Player1Hand,
			Player2Hand = session.BoardState.Player2Hand,
			State = session.BoardState.State,
			WhoseTurn = session.BoardState.WhoseTurn,
		};

		using var connection = new SqlConnection(connectionString);
		await connection.ExecuteAsync(
			"session.CreateSession",
			new
			{
				Name = sessionName,
				InitialBoardStateDocument = JsonSerializer.Serialize(boardStateDto),
				Player1Name = player1,
			},
			commandType: CommandType.StoredProcedure);
	}

	public async Task<ShogiBoard?> ReadShogiBoard(string name)
	{
		using var connection = new SqlConnection(connectionString);
		var results = await connection.QueryAsync<SessionDto>(
			"session.ReadSession",
			commandType: CommandType.StoredProcedure);
		var dto = results.SingleOrDefault();
		if (dto == null) return null;

		var boardState = new BoardState(
			state: new(dto.BoardState.State),
			player1Hand: dto.BoardState.Player1Hand,
			player2Hand: dto.BoardState.Player2Hand,
			whoseTurn: dto.BoardState.WhoseTurn,
			playerInCheck: dto.BoardState.InCheck,
			previousMove: dto.BoardState.PreviousMove);
		var session = new ShogiBoard(boardState);
		return session;
	}
}

public interface ISessionRepository
{
	Task CreateSession(Session session);
	Task<ShogiBoard?> ReadShogiBoard(string name);
}