using Microsoft.EntityFrameworkCore.Migrations;

#nullable disable

namespace GameList.Data.Migrations
{
    /// <inheritdoc />
    public partial class HardenOwnerAndSuggestionInvariants : Migration
    {
        /// <inheritdoc />
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.CreateIndex(
                name: "IX_Players_IsOwner",
                table: "Players",
                column: "IsOwner",
                unique: true,
                filter: "IsOwner = 1");

            migrationBuilder.Sql(
                """
                CREATE TRIGGER IF NOT EXISTS TR_Suggestions_MaxFivePerPlayer
                BEFORE INSERT ON Suggestions
                WHEN
                    (SELECT COUNT(1) FROM Suggestions WHERE PlayerId = NEW.PlayerId) >= 5
                    AND (
                        COALESCE((SELECT HasJoker FROM Players WHERE Id = NEW.PlayerId), 0) = 0
                        OR COALESCE((SELECT CurrentPhase FROM Players WHERE Id = NEW.PlayerId), 0) != 2
                    )
                BEGIN
                    SELECT RAISE(ABORT, 'suggestion_limit_exceeded');
                END;
                """
            );
        }

        /// <inheritdoc />
        protected override void Down(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.Sql("DROP TRIGGER IF EXISTS TR_Suggestions_MaxFivePerPlayer;");

            migrationBuilder.DropIndex(
                name: "IX_Players_IsOwner",
                table: "Players");
        }
    }
}