package sqlite3

import (
	"context"

	"github.com/c9s/rockhopper"
)

func init() {
	AddMigration(upAddKucoinKlines, downAddKucoinKlines)

}

func upAddKucoinKlines(ctx context.Context, tx rockhopper.SQLExecutor) (err error) {
	// This code is executed when the migration is applied.

	_, err = tx.ExecContext(ctx, "CREATE TABLE `kucoin_klines`\n(\n    `gid`                    INTEGER PRIMARY KEY AUTOINCREMENT,\n    `exchange`               VARCHAR(10)    NOT NULL,\n    `start_time`             DATETIME(3)    NOT NULL,\n    `end_time`               DATETIME(3)    NOT NULL,\n    `interval`               VARCHAR(3)     NOT NULL,\n    `symbol`                 VARCHAR(7)     NOT NULL,\n    `open`                   DECIMAL(16, 8) NOT NULL,\n    `high`                   DECIMAL(16, 8) NOT NULL,\n    `low`                    DECIMAL(16, 8) NOT NULL,\n    `close`                  DECIMAL(16, 8) NOT NULL DEFAULT 0.0,\n    `volume`                 DECIMAL(16, 8) NOT NULL DEFAULT 0.0,\n    `closed`                 BOOLEAN        NOT NULL DEFAULT TRUE,\n    `last_trade_id`          INT            NOT NULL DEFAULT 0,\n    `num_trades`             INT            NOT NULL DEFAULT 0,\n    `quote_volume`           DECIMAL        NOT NULL DEFAULT 0.0,\n    `taker_buy_base_volume`  DECIMAL        NOT NULL DEFAULT 0.0,\n    `taker_buy_quote_volume` DECIMAL        NOT NULL DEFAULT 0.0\n);")
	if err != nil {
		return err
	}

	return err
}

func downAddKucoinKlines(ctx context.Context, tx rockhopper.SQLExecutor) (err error) {
	// This code is executed when the migration is rolled back.

	_, err = tx.ExecContext(ctx, "DROP TABLE kucoin_klines;")
	if err != nil {
		return err
	}

	return err
}