WIP motion 1

token_usage_chart.go

@@ -0,0 +1,65 @@
+package mujica
+
+import (
+	"strconv"
+
+	"github.com/egoist/mygo/ui"
+)
+
+// TokenUsage is the tokens one session or step used.
+type TokenUsage struct {
+	Label         string
+	Input, Output int
+}
+
+// TokenUsageChartOptions configure a TokenUsageChart.
+type TokenUsageChartOptions struct {
+	// Frame names, sizes and states the chart; an empty Label uses the built-in name.
+	Frame ChartFrame
+	// Line draws input and output as lines instead of stacked bars.
+	Line bool
+}
+
+type tokenUsageSeries struct {
+	src    *TokenUsage
+	n      int
+	labels []string
+	series []ChartSeries
+}
+
+// TokenUsageChart shows input and output tokens per session or step, as stacked bars or lines.
+func TokenUsageChart(c *ui.Context, usage []TokenUsage, opts TokenUsageChartOptions) ChartResult {
+	if opts.Frame.Label == "" {
+		opts.Frame.Label = msg(c, "token_usage_chart.label")
+	}
+	holder := ui.Column(c).AlignItems(ui.Stretch)
+	cache := ui.Local(holder, "series", func() *tokenUsageSeries { return &tokenUsageSeries{} })
+	s := *cache
+	var first *TokenUsage
+	if len(usage) > 0 {
+		first = &usage[0]
+	}
+	if s.series == nil || s.src != first || s.n != len(usage) {
+		in, out := make([]float64, len(usage)), make([]float64, len(usage))
+		s.labels = make([]string, len(usage))
+		for i, u := range usage {
+			if u.Input < 0 || u.Output < 0 {
+				panic("mujica: TokenUsage counts must not be negative")
+			}
+			in[i], out[i], s.labels[i] = float64(u.Input), float64(u.Output), u.Label
+		}
+		s.series = []ChartSeries{{Name: msg(c, "token_usage_chart.input"), Values: in}, {Name: msg(c, "token_usage_chart.output"), Values: out}}
+		s.src, s.n = first, len(usage)
+	}
+	format := func(v float64) string { return strconv.FormatFloat(v, 'f', 0, 64) }
+	var res ChartResult
+	holder.Children(func() {
+		if opts.Line {
+			res = LineChart(c, s.series, LineChartOptions{Frame: opts.Frame, Format: format})
+			return
+		}
+		res = BarChart(c, s.labels, s.series, BarChartOptions{Frame: opts.Frame, Stacked: true, Format: format})
+	})
+	res.Element = holder
+	return res
+}