export class MoveAntennaToCache1695749948350 {
    name = "MoveAntennaToCache1695749948350";
    async up(queryRunner) {
        const tableExists = await queryRunner.query(`SELECT EXISTS ( SELECT 1 FROM pg_tables WHERE tablename = 'antenna_note' ) AS table_existence`).then((p)=>!!p[0]['table_existence']);
        if (!tableExists) {
            console.log('Skipping migration ("antenna_note" table does not exist)');
            return;
        }
        const skipCopy = process.env.ANTENNA_MIGRATION_SKIP === 'true';
        let readLimit = parseInt(process.env.ANTENNA_MIGRATION_READ_LIMIT ?? "10000", 10) ?? 10000;
        if (skipCopy) {
            console.log('ANTENNA_MIGRATION_SKIP = true, skipping antenna note migration');
        } else {
            const { redisClient } = await import("../db/redis.js");
            const total = await queryRunner.query(`SELECT COUNT(1) FROM "antenna_note"`).then((p)=>p[0]['count']);
            console.log(`Copying ${total} entries in "antenna_note", please hang tight!`);
            let remaining = total;
            let query = `SELECT "id", "noteId", "antennaId" FROM "antenna_note" ORDER BY "id" ASC LIMIT ${readLimit}`;
            while(remaining > 0){
                let res = await queryRunner.query(query);
                if (res.length === 0) break;
                remaining -= res.length;
                for (const hit of res){
                    redisClient.xadd(`antennaTimeline:${hit.antennaId}`, "MAXLEN", "~", "200", "*", "note", hit.noteId);
                }
                console.log(`Copied ${total - remaining}/${total} notes to cache.`);
                query = `SELECT "id", "noteId", "antennaId" FROM "antenna_note" WHERE "id" > '${res.at(-1).id}' ORDER BY "id" ASC LIMIT ${Math.min(readLimit, remaining)}`;
            }
            redisClient.quit();
        }
        await queryRunner.query(`DROP TABLE IF EXISTS "antenna_note"`);
    }
    async down(queryRunner) {
        await queryRunner.query(`CREATE TABLE IF NOT EXISTS "antenna_note" ("id" character varying(32) NOT NULL, "noteId" character varying(32) NOT NULL, "antennaId" character varying(32) NOT NULL, CONSTRAINT "PK_fb28d94d0989a3872df19fd6ef8" PRIMARY KEY ("id"))`);
        await queryRunner.query(`CREATE INDEX "IDX_bd0397be22147e17210940e125" ON "antenna_note" ("noteId") `);
        await queryRunner.query(`CREATE INDEX "IDX_0d775946662d2575dfd2068a5f" ON "antenna_note" ("antennaId") `);
        await queryRunner.query(`CREATE UNIQUE INDEX "IDX_335a0bf3f904406f9ef3dd51c2" ON "antenna_note" ("noteId", "antennaId") `);
        await queryRunner.query(`ALTER TABLE "antenna_note" ADD CONSTRAINT "FK_bd0397be22147e17210940e125b" FOREIGN KEY ("noteId") REFERENCES "note"("id") ON DELETE CASCADE ON UPDATE NO ACTION`, undefined);
        await queryRunner.query(`ALTER TABLE "antenna_note" ADD CONSTRAINT "FK_0d775946662d2575dfd2068a5f5" FOREIGN KEY ("antennaId") REFERENCES "antenna"("id") ON DELETE CASCADE ON UPDATE NO ACTION`, undefined);
        await queryRunner.query(`ALTER TABLE "antenna_note" ADD "read" boolean NOT NULL DEFAULT false`, undefined);
        await queryRunner.query(`CREATE INDEX "IDX_9937ea48d7ae97ffb4f3f063a4" ON "antenna_note" ("read") `, undefined);
        await queryRunner.query(`COMMENT ON COLUMN "antenna_note"."noteId" IS 'The note ID.'`);
        await queryRunner.query(`COMMENT ON COLUMN "antenna_note"."antennaId" IS 'The antenna ID.'`);
    }
}
