cleanup styling, show reasoning, fixes & improvements

prompts.go

@@ -0,0 +1,51 @@
+package main
+
+import (
+	"bytes"
+	_ "embed"
+	"fmt"
+	"text/template"
+	"time"
+)
+
+type PromptData struct {
+	Name string
+	Slug string
+	Date string
+}
+
+var (
+	//go:embed prompts/normal.txt
+	PromptNormal string
+
+	PromptNormalTmpl = template.Must(template.New("normal").Parse(PromptNormal))
+)
+
+func BuildPrompt(name string, model *Model) (string, error) {
+	if name == "" {
+		return "", nil
+	}
+
+	var tmpl *template.Template
+
+	switch name {
+	case "normal":
+		tmpl = PromptNormalTmpl
+	default:
+		return "", fmt.Errorf("unknown prompt: %q", name)
+	}
+
+	var buf bytes.Buffer
+
+	err := tmpl.Execute(&buf, PromptData{
+		Name: model.Name,
+		Slug: model.ID,
+		Date: time.Now().Format(time.RFC1123),
+	})
+
+	if err != nil {
+		return "", err
+	}
+
+	return buf.String(), nil
+}