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import React, { Component } from 'react'
import { ZOOM_STEPS, ZOOM_TICK_INTERVAL } from '../constants'
import { timestamp } from '../../../util'
export default class Ticks extends Component {
render() {
let { start_ts, zoom, duration } = this.props.timeline
start_ts = 65.0
duration /= 10
zoom = 2
const width = window.innerWidth
let secondsPerPixel = ZOOM_STEPS[zoom] / 10 // 0.1 sec / step
let pixelTimeDuration = 1 / secondsPerPixel // secs per pixel
let widthTimeDuration = width / pixelTimeDuration // secs per pixel
console.log(secondsPerPixel, pixelTimeDuration)
console.log('width in seconds', widthTimeDuration)
let secondsPerTick = ZOOM_STEPS[zoom] * 10 // secs
let pixelsPerTick = secondsPerTick * pixelTimeDuration
console.log('pixels per tick', pixelsPerTick)
let labelSpacing = pixelsPerTick
let subdivision = secondsPerTick
while (labelSpacing < 200) {
labelSpacing *= 2
subdivision *= 2
}
console.log('start ts', start_ts)
let pixelOffset = (start_ts / secondsPerPixel)
let pixelRemainder = pixelOffset % labelSpacing
// let startOffset = pixelsPerTick - (startTiming % pixelsPerTick)
let startOffset = labelSpacing - pixelRemainder
let startTiming = (pixelOffset + startOffset) * secondsPerPixel
let tickCount = Math.ceil(width / labelSpacing)
let offset, timing, tickLabels = [], ticks = []
for (var i = -1; i < tickCount; i++) {
offset = i * labelSpacing + startOffset
if (offset + 20 > width) continue
timing = i * subdivision + startTiming
if (timing > duration) {
break
}
tickLabels.push(
<div className='tickLabel' key={"tickLabel_" + i}
style={{
left: Math.floor(offset)
}}>
{timestamp(timing)}
</div>
)
}
// tickLabels.push(
// <div className='tickLabel tickLabelTotal' key={"tickLabel_total"}
// style={{
// left: width
// }}>
// {timestamp(duration, 1)}
// </div>
// )
// for (var i = 0; i < minuteCount; i += 1) {
// offset = i * labelSpacing
// timing = i * subdivision
// ticks.push(
// <div className='tick' key={"tick_" + i}
// style={{
// left: Math.floor(offset),
// }}
// />
// )
// }
return (
<div className='ticks'>
{ticks}
{tickLabels}
</div>
)
}
}
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