using Microsoft.EntityFrameworkCore.Migrations;

#nullable disable

namespace BlueLaminate.EFCore.Migrations
{
    /// <inheritdoc />
    public partial class ConsistencyPass_FloatBoundsCurrencyConditionPaintSeed : Migration
    {
        /// <inheritdoc />
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.DropIndex(
                name: "ix_inventory_items_asset_id",
                schema: "skintracker",
                table: "inventory_items");

            migrationBuilder.RenameColumn(
                name: "min_float",
                schema: "skintracker",
                table: "skin_conditions",
                newName: "float_min");

            migrationBuilder.RenameColumn(
                name: "max_float",
                schema: "skintracker",
                table: "skin_conditions",
                newName: "float_max");

            // text -> integer needs an explicit USING cast; EF's AlterColumn omits it and
            // Postgres won't cast automatically. Every stored seed is a stringified
            // integer, so the cast is total.
            migrationBuilder.Sql(
                "ALTER TABLE skintracker.skin_instances " +
                "ALTER COLUMN paint_seed TYPE integer USING paint_seed::integer;");

            migrationBuilder.AddColumn<int>(
                name: "condition_id",
                schema: "skintracker",
                table: "listings",
                type: "integer",
                nullable: true);

            migrationBuilder.AddColumn<string>(
                name: "currency",
                schema: "skintracker",
                table: "listings",
                type: "text",
                nullable: false,
                defaultValue: "USD");

            migrationBuilder.CreateIndex(
                name: "ix_trades_steam_trade_id",
                schema: "skintracker",
                table: "trades",
                column: "steam_trade_id",
                unique: true);

            migrationBuilder.CreateIndex(
                name: "ix_listings_condition_id",
                schema: "skintracker",
                table: "listings",
                column: "condition_id");

            migrationBuilder.CreateIndex(
                name: "ix_inventory_items_asset_id",
                schema: "skintracker",
                table: "inventory_items",
                column: "asset_id",
                unique: true);

            migrationBuilder.AddForeignKey(
                name: "fk_listings_skin_conditions_condition_id",
                schema: "skintracker",
                table: "listings",
                column: "condition_id",
                principalSchema: "skintracker",
                principalTable: "skin_conditions",
                principalColumn: "id",
                onDelete: ReferentialAction.SetNull);

            // Now that listings carries its own condition_id and currency, the csfloat
            // arm of the cross-market view uses them instead of NULL / a hardcoded 'USD'.
            migrationBuilder.Sql("""
                CREATE OR REPLACE VIEW skintracker.market_listings AS
                SELECT
                    'csfloat'::text       AS marketplace,
                    l.cs_float_listing_id AS external_id,
                    l.skin_id             AS skin_id,
                    l.condition_id        AS condition_id,
                    l.skin_instance_id    AS skin_instance_id,
                    l.market_hash_name    AS market_hash_name,
                    l.wear_name           AS wear,
                    l.float_value         AS float_value,
                    l.paint_seed          AS paint_seed,
                    l.is_stat_trak        AS is_stat_trak,
                    l.is_souvenir         AS is_souvenir,
                    l.sticker_count       AS sticker_count,
                    l.price               AS price,
                    l.currency            AS currency,
                    l.inspect_link        AS inspect_link,
                    l.asset_id            AS asset_id,
                    l.status              AS status,
                    l.first_seen_at       AS first_seen_at,
                    l.last_seen_at        AS last_seen_at,
                    l.removed_at          AS removed_at
                FROM skintracker.listings l
                UNION ALL
                SELECT
                    'csmoney'::text,
                    c.sell_order_id::text,
                    c.skin_id,
                    c.condition_id,
                    c.skin_instance_id,
                    c.market_hash_name,
                    CASE lower(c.quality)
                        WHEN 'fn' THEN 'Factory New'
                        WHEN 'mw' THEN 'Minimal Wear'
                        WHEN 'ft' THEN 'Field-Tested'
                        WHEN 'ww' THEN 'Well-Worn'
                        WHEN 'bs' THEN 'Battle-Scarred'
                        ELSE c.quality
                    END,
                    c.float_value,
                    c.paint_seed,
                    c.is_stat_trak,
                    c.is_souvenir,
                    c.sticker_count,
                    c.price,
                    c.currency,
                    c.inspect_link,
                    c.asset_id,
                    c.status,
                    c.first_seen_at,
                    c.last_seen_at,
                    c.removed_at
                FROM skintracker.cs_money_listings c
                UNION ALL
                SELECT
                    'skinland'::text,
                    s.listing_id::text,
                    s.skin_id,
                    s.condition_id,
                    NULL::integer,
                    s.market_hash_name,
                    sc.condition,
                    s.float_value,
                    NULL::integer,
                    s.is_stat_trak,
                    s.is_souvenir,
                    s.sticker_count,
                    s.price,
                    s.currency,
                    s.inspect_link,
                    NULL::text,
                    s.status,
                    s.first_seen_at,
                    s.last_seen_at,
                    s.removed_at
                FROM skintracker.skin_land_listings s
                LEFT JOIN skintracker.skin_conditions sc ON sc.id = s.condition_id;
                """);
        }

        /// <inheritdoc />
        protected override void Down(MigrationBuilder migrationBuilder)
        {
            // Restore the view to its pre-migration form (csfloat condition_id/currency
            // hardcoded) FIRST, so the listings columns it now references can be dropped.
            migrationBuilder.Sql("""
                CREATE OR REPLACE VIEW skintracker.market_listings AS
                SELECT
                    'csfloat'::text       AS marketplace,
                    l.cs_float_listing_id AS external_id,
                    l.skin_id             AS skin_id,
                    NULL::integer         AS condition_id,
                    l.skin_instance_id    AS skin_instance_id,
                    l.market_hash_name    AS market_hash_name,
                    l.wear_name           AS wear,
                    l.float_value         AS float_value,
                    l.paint_seed          AS paint_seed,
                    l.is_stat_trak        AS is_stat_trak,
                    l.is_souvenir         AS is_souvenir,
                    l.sticker_count       AS sticker_count,
                    l.price               AS price,
                    'USD'::text           AS currency,
                    l.inspect_link        AS inspect_link,
                    l.asset_id            AS asset_id,
                    l.status              AS status,
                    l.first_seen_at       AS first_seen_at,
                    l.last_seen_at        AS last_seen_at,
                    l.removed_at          AS removed_at
                FROM skintracker.listings l
                UNION ALL
                SELECT
                    'csmoney'::text,
                    c.sell_order_id::text,
                    c.skin_id,
                    c.condition_id,
                    c.skin_instance_id,
                    c.market_hash_name,
                    CASE lower(c.quality)
                        WHEN 'fn' THEN 'Factory New'
                        WHEN 'mw' THEN 'Minimal Wear'
                        WHEN 'ft' THEN 'Field-Tested'
                        WHEN 'ww' THEN 'Well-Worn'
                        WHEN 'bs' THEN 'Battle-Scarred'
                        ELSE c.quality
                    END,
                    c.float_value,
                    c.paint_seed,
                    c.is_stat_trak,
                    c.is_souvenir,
                    c.sticker_count,
                    c.price,
                    c.currency,
                    c.inspect_link,
                    c.asset_id,
                    c.status,
                    c.first_seen_at,
                    c.last_seen_at,
                    c.removed_at
                FROM skintracker.cs_money_listings c
                UNION ALL
                SELECT
                    'skinland'::text,
                    s.listing_id::text,
                    s.skin_id,
                    s.condition_id,
                    NULL::integer,
                    s.market_hash_name,
                    sc.condition,
                    s.float_value,
                    NULL::integer,
                    s.is_stat_trak,
                    s.is_souvenir,
                    s.sticker_count,
                    s.price,
                    s.currency,
                    s.inspect_link,
                    NULL::text,
                    s.status,
                    s.first_seen_at,
                    s.last_seen_at,
                    s.removed_at
                FROM skintracker.skin_land_listings s
                LEFT JOIN skintracker.skin_conditions sc ON sc.id = s.condition_id;
                """);

            migrationBuilder.DropForeignKey(
                name: "fk_listings_skin_conditions_condition_id",
                schema: "skintracker",
                table: "listings");

            migrationBuilder.DropIndex(
                name: "ix_trades_steam_trade_id",
                schema: "skintracker",
                table: "trades");

            migrationBuilder.DropIndex(
                name: "ix_listings_condition_id",
                schema: "skintracker",
                table: "listings");

            migrationBuilder.DropIndex(
                name: "ix_inventory_items_asset_id",
                schema: "skintracker",
                table: "inventory_items");

            migrationBuilder.DropColumn(
                name: "condition_id",
                schema: "skintracker",
                table: "listings");

            migrationBuilder.DropColumn(
                name: "currency",
                schema: "skintracker",
                table: "listings");

            migrationBuilder.RenameColumn(
                name: "float_min",
                schema: "skintracker",
                table: "skin_conditions",
                newName: "min_float");

            migrationBuilder.RenameColumn(
                name: "float_max",
                schema: "skintracker",
                table: "skin_conditions",
                newName: "max_float");

            migrationBuilder.AlterColumn<string>(
                name: "paint_seed",
                schema: "skintracker",
                table: "skin_instances",
                type: "text",
                nullable: false,
                oldClrType: typeof(int),
                oldType: "integer");

            migrationBuilder.CreateIndex(
                name: "ix_inventory_items_asset_id",
                schema: "skintracker",
                table: "inventory_items",
                column: "asset_id");
        }
    }
}