interface ITick {
    id: number
    track_id?: number
    year?: number
    month?: number
    day?: number
    hour?: number
    minute?: number
    second?: number
    has_time_info?: number
}

class Tick implements ITick {
    id: number
    track_id?: number
    year?: number
    month?: number
    day?: number
    hour?: number
    minute?: number
    second?: number
    has_time_info?: number

    constructor(id: number,
        track_id?: number,
        year?: number,
        month?: number,
        day?: number,
        hour?: number,
        minute?: number,
        second?: number,
        has_time_info?: number,
    ) {
        this.id = id
        this.track_id = track_id
        this.year = year
        this.month = month
        this.day = day
        this.hour = hour
        this.minute = minute
        this.second = second
        this.has_time_info = has_time_info
    }

    static fromJSON(tick: ITick): Tick {
        return new Tick(
            tick.id,
            tick.track_id,
            tick.year,
            tick.month,
            tick.day,
            tick.hour,
            tick.minute,
            tick.second,
            tick.has_time_info,
        )
    }

    date(): Date | null {
        if (this.year && this.month && this.day && this.hour && this.minute && this.second) {
            return new Date(this.year!, this.month!, this.day, this.hour, this.minute, this.second)
        }
        return null
    }
}