File size: 4,862 Bytes
f1f8449
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
<script lang="ts">
	import { onMount, onDestroy } from 'svelte';
	import { getContext } from 'svelte';
	import Spinner from '$lib/components/common/Spinner.svelte';

	const i18n = getContext('i18n');

	export let history: Array<{ date: string; won: number; lost: number }> = [];
	export let loading = false;
	export let aggregateWeekly = false;

	let chartCanvas: HTMLCanvasElement;
	let chartInstance: any = null;
	let Chart: any = null;

	const createChart = async () => {
		if (!chartCanvas || !history.length) return;

		// Dynamically import Chart.js
		if (!Chart) {
			const module = await import('chart.js/auto');
			Chart = module.default;
		}

		// Destroy previous chart instance
		if (chartInstance) {
			chartInstance.destroy();
		}

		// For year/all views, aggregate by week
		let chartData = history;

		if (aggregateWeekly && history.length > 7) {
			// Aggregate daily data into weekly buckets
			const weeklyData: { [key: string]: { won: number; lost: number; startDate: string } } = {};
			history.forEach((h) => {
				const date = new Date(h.date);
				// Get the Monday of this week as the bucket key
				const day = date.getDay();
				const diff = date.getDate() - day + (day === 0 ? -6 : 1);
				const monday = new Date(date);
				monday.setDate(diff);
				const weekKey = monday.toISOString().split('T')[0];

				if (!weeklyData[weekKey]) {
					weeklyData[weekKey] = { won: 0, lost: 0, startDate: weekKey };
				}
				weeklyData[weekKey].won += h.won;
				weeklyData[weekKey].lost += h.lost;
			});

			chartData = Object.values(weeklyData).sort(
				(a, b) => new Date(a.startDate).getTime() - new Date(b.startDate).getTime()
			);
		}

		const labels = chartData.map((h) => {
			const date = new Date('startDate' in h ? h.startDate : h.date);
			if (aggregateWeekly) {
				return date.toLocaleDateString('en-US', { month: 'short', day: 'numeric' });
			}
			return date.toLocaleDateString('en-US', { month: 'short', day: 'numeric' });
		});

		// Diverging chart: wins go UP (positive), losses go DOWN (negative)
		const wonData = chartData.map((h) => h.won);
		const lostData = chartData.map((h) => -h.lost); // Negative for below-zero bars

		// Thicker bars for weekly aggregated data
		const barPercentage = aggregateWeekly ? 0.95 : 0.9;
		const categoryPercentage = aggregateWeekly ? 1.0 : 0.95;

		chartInstance = new Chart(chartCanvas, {
			type: 'bar',
			data: {
				labels,
				datasets: [
					{
						label: 'Won',
						data: wonData,
						backgroundColor: '#5ba3c8',
						borderRadius: 2,
						barPercentage,
						categoryPercentage
					},
					{
						label: 'Lost',
						data: lostData,
						backgroundColor: '#d97c5a',
						borderRadius: 2,
						barPercentage,
						categoryPercentage
					}
				]
			},
			options: {
				responsive: true,
				maintainAspectRatio: false,
				interaction: {
					intersect: false,
					mode: 'index'
				},
				plugins: {
					legend: {
						display: false // Hide legend for cleaner look
					},
					tooltip: {
						backgroundColor: 'rgba(17, 24, 39, 0.9)',
						titleColor: '#f3f4f6',
						bodyColor: '#d1d5db',
						borderColor: 'rgba(75, 85, 99, 0.3)',
						borderWidth: 1,
						padding: 8,
						displayColors: true,
						boxWidth: 8,
						boxHeight: 8,
						callbacks: {
							label: function (context: any) {
								const value = Math.abs(context.raw);
								return `${context.dataset.label}: ${value}`;
							}
						}
					}
				},
				scales: {
					x: {
						stacked: true,
						grid: {
							display: false
						},
						ticks: {
							display: false // Hide x-axis labels for cleaner look
						},
						border: {
							display: false
						}
					},
					y: {
						stacked: true,
						grid: {
							color: 'rgba(107, 114, 128, 0.1)',
							drawTicks: false
						},
						ticks: {
							color: '#6b7280',
							font: {
								size: 10
							},
							padding: 8,
							stepSize: 1,
							precision: 0,
							callback: function (value: number) {
								return Math.abs(value); // Show absolute values on y-axis
							}
						},
						border: {
							display: false
						}
					}
				},
				animation: {
					duration: 400,
					easing: 'easeOutQuart'
				}
			}
		});
	};

	$: if (chartCanvas && history.length && !loading && aggregateWeekly !== undefined) {
		createChart();
	}

	onDestroy(() => {
		if (chartInstance) {
			chartInstance.destroy();
			chartInstance = null;
		}
	});
</script>

<div class="w-full">
	{#if loading}
		<div class="flex items-center justify-center h-40">
			<Spinner className="size-5" />
		</div>
	{:else if !history.length || history.every((h) => h.won === 0 && h.lost === 0)}
		<div class="flex items-center justify-center h-40 text-gray-500 text-sm">
			{$i18n.t('No activity data')}
		</div>
	{:else}
		<div class="h-48">
			<canvas bind:this={chartCanvas}></canvas>
		</div>
	{/if}
</div>