|
| 1 | +import { |
| 2 | + useCallback, |
| 3 | + useMemo, |
| 4 | + useRef, |
| 5 | +} from 'react'; |
| 6 | +import { |
| 7 | + ChartAxes, |
| 8 | + Container, |
| 9 | + TextOutput, |
| 10 | + Tooltip, |
| 11 | +} from '@ifrc-go/ui'; |
| 12 | +import { |
| 13 | + maxSafe, |
| 14 | + minSafe, |
| 15 | +} from '@ifrc-go/ui/utils'; |
| 16 | +import { |
| 17 | + bound, |
| 18 | + isNotDefined, |
| 19 | + listToMap, |
| 20 | +} from '@togglecorp/fujs'; |
| 21 | + |
| 22 | +import useTemporalChartData from '#hooks/useTemporalChartData'; |
| 23 | +import { GoApiResponse } from '#utils/restRequest'; |
| 24 | + |
| 25 | +import styles from './styles.module.css'; |
| 26 | + |
| 27 | +const NUM_Y_AXIS_TICKS = 5; |
| 28 | + |
| 29 | +interface Props { |
| 30 | + data: GoApiResponse<'/api/v2/country/{id}/databank/'>['key_climate'] | undefined; |
| 31 | +} |
| 32 | + |
| 33 | +function ClimateChart(props: Props) { |
| 34 | + const { |
| 35 | + data, |
| 36 | + } = props; |
| 37 | + |
| 38 | + const temperatureContainerRef = useRef<HTMLDivElement>(null); |
| 39 | + const precipitationContainerRef = useRef<HTMLDivElement>(null); |
| 40 | + |
| 41 | + const temperatureBounds = useMemo( |
| 42 | + () => { |
| 43 | + if (isNotDefined(data) || data.length === 0) { |
| 44 | + return undefined; |
| 45 | + } |
| 46 | + |
| 47 | + const minRaw = minSafe(data.map(({ min_temp }) => min_temp)); |
| 48 | + const maxRaw = maxSafe(data.map(({ max_temp }) => max_temp)); |
| 49 | + |
| 50 | + if (isNotDefined(minRaw) || isNotDefined(maxRaw)) { |
| 51 | + return undefined; |
| 52 | + } |
| 53 | + |
| 54 | + const min = Math.floor(minRaw); |
| 55 | + const max = Math.ceil(maxRaw); |
| 56 | + |
| 57 | + return { min, max }; |
| 58 | + }, |
| 59 | + [data], |
| 60 | + ); |
| 61 | + |
| 62 | + const precipitationBounds = useMemo( |
| 63 | + () => { |
| 64 | + if (isNotDefined(data) || data.length === 0) { |
| 65 | + return undefined; |
| 66 | + } |
| 67 | + |
| 68 | + const maxRaw = maxSafe(data.map(({ precipitation }) => precipitation)); |
| 69 | + |
| 70 | + if (isNotDefined(maxRaw)) { |
| 71 | + return undefined; |
| 72 | + } |
| 73 | + |
| 74 | + const max = Math.ceil(maxRaw); |
| 75 | + |
| 76 | + return { min: 0, max }; |
| 77 | + }, |
| 78 | + [data], |
| 79 | + ); |
| 80 | + |
| 81 | + const temperatureChartData = useTemporalChartData( |
| 82 | + data, |
| 83 | + { |
| 84 | + containerRef: temperatureContainerRef, |
| 85 | + yearlyChart: true, |
| 86 | + keySelector: ({ id }) => id, |
| 87 | + xValueSelector: ({ year, month }) => new Date(year, month - 1, 1), |
| 88 | + yValueSelector: ({ min_temp }) => min_temp, |
| 89 | + yDomain: temperatureBounds, |
| 90 | + numYAxisTicks: NUM_Y_AXIS_TICKS, |
| 91 | + }, |
| 92 | + ); |
| 93 | + |
| 94 | + const precipitationChartData = useTemporalChartData( |
| 95 | + data, |
| 96 | + { |
| 97 | + containerRef: precipitationContainerRef, |
| 98 | + yearlyChart: true, |
| 99 | + keySelector: ({ id }) => id, |
| 100 | + xValueSelector: ({ year, month }) => new Date(year, month - 1, 1), |
| 101 | + yValueSelector: ({ precipitation }) => precipitation, |
| 102 | + yDomain: precipitationBounds, |
| 103 | + }, |
| 104 | + ); |
| 105 | + |
| 106 | + const dataByMonth = useMemo( |
| 107 | + () => listToMap(data, ({ month }) => month - 1), |
| 108 | + [data], |
| 109 | + ); |
| 110 | + |
| 111 | + const temperatureTooltipSelector = useCallback( |
| 112 | + (key: string | number) => { |
| 113 | + const month = Number(key); |
| 114 | + if (Number.isNaN(month)) { |
| 115 | + return null; |
| 116 | + } |
| 117 | + |
| 118 | + const currentData = dataByMonth?.[month]; |
| 119 | + |
| 120 | + if (isNotDefined(currentData)) { |
| 121 | + return null; |
| 122 | + } |
| 123 | + |
| 124 | + return ( |
| 125 | + <Tooltip |
| 126 | + title={currentData.month_display} |
| 127 | + description={( |
| 128 | + <> |
| 129 | + <TextOutput |
| 130 | + // FIXME: use translation |
| 131 | + label="Max" |
| 132 | + value={currentData.max_temp} |
| 133 | + valueType="number" |
| 134 | + /> |
| 135 | + <TextOutput |
| 136 | + // FIXME: use translation |
| 137 | + label="Average" |
| 138 | + value={currentData.avg_temp} |
| 139 | + valueType="number" |
| 140 | + /> |
| 141 | + <TextOutput |
| 142 | + // FIXME: use translation |
| 143 | + label="Min" |
| 144 | + value={currentData.min_temp} |
| 145 | + valueType="number" |
| 146 | + /> |
| 147 | + </> |
| 148 | + )} |
| 149 | + /> |
| 150 | + ); |
| 151 | + }, |
| 152 | + [dataByMonth], |
| 153 | + ); |
| 154 | + |
| 155 | + const precipitationTooltipSelector = useCallback( |
| 156 | + (key: string | number) => { |
| 157 | + const month = Number(key); |
| 158 | + if (Number.isNaN(month)) { |
| 159 | + return null; |
| 160 | + } |
| 161 | + |
| 162 | + const currentData = dataByMonth?.[month]; |
| 163 | + |
| 164 | + if (isNotDefined(currentData)) { |
| 165 | + return null; |
| 166 | + } |
| 167 | + |
| 168 | + return ( |
| 169 | + <Tooltip |
| 170 | + title={currentData.month_display} |
| 171 | + description={( |
| 172 | + <TextOutput |
| 173 | + // FIXME: use translation |
| 174 | + label="Precipitation" |
| 175 | + value={currentData.precipitation} |
| 176 | + valueType="number" |
| 177 | + /> |
| 178 | + )} |
| 179 | + /> |
| 180 | + ); |
| 181 | + }, |
| 182 | + [dataByMonth], |
| 183 | + ); |
| 184 | + |
| 185 | + const barWidth = bound( |
| 186 | + (temperatureChartData.dataAreaSize.width - 24) / 12, |
| 187 | + 4, |
| 188 | + 24, |
| 189 | + ); |
| 190 | + |
| 191 | + return ( |
| 192 | + <Container |
| 193 | + className={styles.climateChart} |
| 194 | + // FIXME: use translation |
| 195 | + heading="Climate chart" |
| 196 | + contentViewType="vertical" |
| 197 | + withHeaderBorder |
| 198 | + > |
| 199 | + <Container |
| 200 | + // FIXME: use translation |
| 201 | + heading="Temperature" |
| 202 | + headingLevel={5} |
| 203 | + > |
| 204 | + <div |
| 205 | + ref={temperatureContainerRef} |
| 206 | + className={styles.temperatureChartContainer} |
| 207 | + > |
| 208 | + <svg className={styles.svg}> |
| 209 | + <ChartAxes |
| 210 | + chartData={temperatureChartData} |
| 211 | + tooltipSelector={temperatureTooltipSelector} |
| 212 | + /> |
| 213 | + <g className={styles.temperature}> |
| 214 | + {temperatureChartData.chartPoints.map((chartPoint) => { |
| 215 | + const minY = chartPoint.y; |
| 216 | + const maxY = temperatureChartData.yScaleFn( |
| 217 | + chartPoint.originalData.max_temp, |
| 218 | + ); |
| 219 | + |
| 220 | + return ( |
| 221 | + <rect |
| 222 | + key={chartPoint.key} |
| 223 | + className={styles.rect} |
| 224 | + x={chartPoint.x - barWidth / 2} |
| 225 | + y={maxY} |
| 226 | + width={barWidth} |
| 227 | + height={Math.abs(minY - maxY)} |
| 228 | + /> |
| 229 | + ); |
| 230 | + })} |
| 231 | + </g> |
| 232 | + </svg> |
| 233 | + </div> |
| 234 | + </Container> |
| 235 | + <Container |
| 236 | + // FIXME: use translation |
| 237 | + heading="Precipitation" |
| 238 | + headingLevel={5} |
| 239 | + > |
| 240 | + <div |
| 241 | + ref={precipitationContainerRef} |
| 242 | + className={styles.precipitationChartContainer} |
| 243 | + > |
| 244 | + <svg className={styles.svg}> |
| 245 | + <ChartAxes |
| 246 | + chartData={precipitationChartData} |
| 247 | + tooltipSelector={precipitationTooltipSelector} |
| 248 | + /> |
| 249 | + <g className={styles.precipitation}> |
| 250 | + {precipitationChartData.chartPoints.map((chartPoint) => ( |
| 251 | + <rect |
| 252 | + key={chartPoint.key} |
| 253 | + className={styles.rect} |
| 254 | + x={chartPoint.x - barWidth / 2} |
| 255 | + y={chartPoint.y} |
| 256 | + width={barWidth} |
| 257 | + height={( |
| 258 | + Math.max( |
| 259 | + precipitationChartData.dataAreaSize.height |
| 260 | + - chartPoint.y |
| 261 | + + precipitationChartData.dataAreaOffset.top, |
| 262 | + 0, |
| 263 | + ) |
| 264 | + )} |
| 265 | + /> |
| 266 | + ))} |
| 267 | + </g> |
| 268 | + </svg> |
| 269 | + </div> |
| 270 | + </Container> |
| 271 | + </Container> |
| 272 | + ); |
| 273 | +} |
| 274 | + |
| 275 | +export default ClimateChart; |
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