-- External reported mileage is isolated from telemetry-derived mileage.
CREATE TABLE IF NOT EXISTS gzev_mileage_day (
 account VARCHAR(64) NOT NULL,
 stat_date DATE NOT NULL,
 row_count INT NOT NULL,
 missing_count INT NOT NULL,
 last_success_at DATETIME(3) NOT NULL,
 snapshot_hash CHAR(64) NOT NULL,
 PRIMARY KEY(account,stat_date)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
CREATE TABLE IF NOT EXISTS gzev_mileage_snapshot (
 account VARCHAR(64) NOT NULL,
 stat_date DATE NOT NULL,
 snapshot_hash CHAR(64) NOT NULL,
 fetched_at DATETIME(3) NOT NULL,
 raw_pages JSON NOT NULL,
 PRIMARY KEY(account,stat_date,snapshot_hash)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
CREATE TABLE IF NOT EXISTS gzev_daily_mileage (
 account VARCHAR(64) NOT NULL,
 vin VARCHAR(17) NOT NULL,
 stat_date DATE NOT NULL,
 plate_number VARCHAR(32) NOT NULL,
 vehicle_seq VARCHAR(64) NOT NULL,
 production_company VARCHAR(255) NOT NULL,
 operation_company VARCHAR(255) NOT NULL,
 brand VARCHAR(128) NOT NULL,
 model VARCHAR(128) NOT NULL,
 total_km DECIMAL(14,3) NULL,
 hydrogen_km DECIMAL(14,3) NULL,
 charge_km DECIMAL(14,3) NULL,
 quality_status VARCHAR(24) NOT NULL,
 raw_row JSON NOT NULL,
 fetched_at DATETIME(3) NOT NULL,
 PRIMARY KEY(account,vin,stat_date),
 KEY idx_gzev_plate_date(account,plate_number,stat_date),
 KEY idx_gzev_date(account,stat_date)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
CREATE TABLE IF NOT EXISTS gzev_auth_alert (
 account VARCHAR(64) NOT NULL PRIMARY KEY,
 active BOOLEAN NOT NULL DEFAULT TRUE,
 first_failed_at DATETIME(3) NOT NULL,
 last_attempt_at DATETIME(3) NULL,
 last_sent_at DATETIME(3) NULL,
 last_error VARCHAR(255) NOT NULL DEFAULT '',
 resolved_at DATETIME(3) NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE TABLE IF NOT EXISTS gzev_mileage_attempt (
 account VARCHAR(64) NOT NULL,
 stat_date DATE NOT NULL,
 retry_after DATETIME(3) NOT NULL,
 PRIMARY KEY(account,stat_date)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;