refactor: split into cmd/internal

1 files changed, 7 insertions, 270 deletions

diff --git a/main.go b/main.go
index 70962cc..449b7c4 100644
--- a/main.go
+++ b/main.go
@@ -2,279 +2,16 @@ package main
 
 import (
 	"fmt"
-	"html/template"
-	"io"
-	"io/fs"
-	"log"
-	"net/http"
-	"os"
-	"path/filepath"
-	"sort"
-	"strings"
-	"time"
 
 	_ "net/http/pprof"
-
-	"github.com/adrg/frontmatter"
-	"github.com/gomarkdown/markdown"
-	"github.com/gomarkdown/markdown/ast"
-	"github.com/gomarkdown/markdown/html"
-	"github.com/gomarkdown/markdown/parser"
-	"gopkg.in/yaml.v3"
 )
 
-type TOCItem struct {
-	Level int
-	Text  string
-	ID    string
-}
-
-type Page struct {
-	Title   string
-	Content template.HTML
-	TOC     []TOCItem
-}
-
-type Post struct {
-	Title string
-}
-type Frontmatter struct {
-	Title string   `yaml:"title"`
-	Date  string   `yaml:"date"`
-	Tags  []string `yaml:"tags"`
-}
-
-var themeName = "gruvbox"
-
-func main() {
-	contentDir := "./content"
-	outputDir := "./output"
-
-	posts := make([]Post, 0)
-
-	args := os.Args
-	if len(args) > 1 {
-		switch args[1] {
-		case "serve":
-			copyFile("./themes/"+themeName+"/style.css", "./output/style.css")
-
-			fs := http.FileServer(http.Dir("./output/"))
-			http.Handle("/", fs)
-
-			log.Println("Serving on http://localhost:8000")
-
-			err := http.ListenAndServe(":8000", nil)
-			if err != nil {
-				log.Fatalf("Error occured %s\n", err)
-			}
-		}
-	}
-
-	summaries := make([]PostSummary, 0)
-
-	err := filepath.WalkDir(contentDir, func(path string, d fs.DirEntry, err error) error {
-		if err != nil {
-			return err
-		}
-
-		if d.IsDir() {
-			return nil
-		}
-
-		if strings.HasSuffix(d.Name(), ".md") {
-			fmt.Println("Processing:", path)
-
-			matter, htmlContent, toc := convertToHtml(path)
-			slug := strings.TrimSuffix(d.Name(), ".md")
-			summaries = append(summaries, PostSummary{
-				Title: matter.Title,
-				Slug:  slug,
-				Date:  matter.Date,
-				Tags:  matter.Tags,
-			})
-
-			posts = append(posts, Post{Title: matter.Title})
-			// fmt.Println("Appended post", posts)
-			newPage := Page{
-				Title:   matter.Title,
-				Content: template.HTML(htmlContent),
-				TOC:     toc,
-			}
-
-			tmpl, err := template.ParseFiles("./themes/" + themeName + "/layout.html")
-			if err != nil {
-				log.Fatalf("Error parsing template: %s", err)
-			}
-
-			relPath, err := filepath.Rel(contentDir, path)
-			if err != nil {
-				log.Fatalf("Error computing relative path: %s", err)
-			}
-			// test.md -> test.html
-			// test.md -> test/index.html
-			outputFilePath := filepath.Join(outputDir, strings.Replace(relPath, ".md", "/index.html", 1))
-
-			err = os.MkdirAll(filepath.Dir(outputFilePath), 0o755)
-			if err != nil {
-				log.Fatalf("Error creating directories: %s", err)
-			}
-
-			outputFile, err := os.Create(outputFilePath)
-			if err != nil {
-				log.Fatalf("Error creating output file: %s", err)
-			}
-			defer outputFile.Close()
-
-			err = tmpl.Execute(outputFile, newPage)
-			if err != nil {
-				log.Fatalf("Error generating output content: %s", err)
-			}
-		}
-
-		return nil
-	})
-	if err != nil {
-		log.Fatalf("Error walking directory: %s", err)
-	}
-
-	fmt.Println("All files processed!")
-
-	fmt.Println(posts)
-
-	renderHomePage(summaries, outputDir)
-}
-
-func convertToHtml(path string) (Frontmatter, []byte, []TOCItem) {
-	md, err := os.ReadFile(path)
-	if err != nil {
-		log.Fatalf("Error reading %s: %s", path, err)
-	}
-
-	var matter Frontmatter
-	rest, err := frontmatter.Parse(strings.NewReader(string(md)), &matter)
-	if err != nil {
-		log.Fatalf("Error parsing frontmatter: %s", err)
-	}
-
-	extensions := parser.CommonExtensions | parser.AutoHeadingIDs
-	p := parser.NewWithExtensions(extensions)
-
-	doc := p.Parse(rest)
-
-	var toc []TOCItem
-
-	ast.WalkFunc(doc, func(node ast.Node, entering bool) ast.WalkStatus {
-		if heading, ok := node.(*ast.Heading); ok && entering {
-			text := extractText(heading)
-			id := string(heading.HeadingID)
-
-			toc = append(toc, TOCItem{
-				Level: heading.Level,
-				Text:  text,
-				ID:    id,
-			})
-		}
-		return ast.GoToNext
-	})
-
-	renderer := html.NewRenderer(html.RendererOptions{
-		Flags: html.CommonFlags,
-	})
-
-	output := markdown.Render(doc, renderer)
-
-	return matter, output, toc
-}
-
-func copyFile(src, dst string) error {
-	in, err := os.Open(src)
-	if err != nil {
-		return err
-	}
-	defer in.Close()
-
-	if err := os.MkdirAll(filepath.Dir(dst), os.ModePerm); err != nil {
-		return err
-	}
-
-	out, err := os.Create(dst)
-	if err != nil {
-		return err
-	}
-	defer out.Close()
-
-	_, err = io.Copy(out, in)
-	return err
-}
-
-func extractText(h *ast.Heading) string {
-	var text string
-	ast.WalkFunc(h, func(node ast.Node, entering bool) ast.WalkStatus {
-		if leaf, ok := node.(*ast.Text); ok && entering {
-			text += string(leaf.Literal)
-		}
-		return ast.GoToNext
-	})
-	return text
-}
-
-type PostSummary struct {
-	Title string
-	Slug  string
-	Date  string
-	Tags  []string
-}
-
-type HomePage struct {
-	SiteTitle  string `yaml:"siteTitle"`
-	AuthorName string `yaml:"authorName"`
-	AuthorRole string `yaml:"authorRole"`
-	AuthorBio  string `yaml:"authorBio"`
-	Year       int
-	Posts      []PostSummary
-}
-
-func renderHomePage(summaries []PostSummary, outputDir string) {
-	sort.Slice(summaries, func(i, j int) bool {
-		return summaries[i].Date > summaries[j].Date
-	})
-
-	for i, p := range summaries {
-		if t, err := time.Parse("2006-01-02", p.Date); err == nil {
-			summaries[i].Date = t.Format("Jan 2006")
-		}
-	}
-
-	config, err := os.ReadFile("config.yaml")
-	if err != nil {
-		panic(err)
-	}
-	var data HomePage
-	err = yaml.Unmarshal(config, &data)
-	data.Posts = summaries
-	data.Year = time.Now().Year()
-
-	if err != nil {
-		panic(err)
-	}
-
-	tmpl, err := template.ParseFiles("./themes/" + themeName + "/home.html")
-	if err != nil {
-		log.Fatalf("Error parsing home template: %s", err)
-	}
-
-	outPath := filepath.Join(outputDir, "index.html")
-	if err := os.MkdirAll(filepath.Dir(outPath), 0o755); err != nil {
-		log.Fatalf("Error creating output dir: %s", err)
-	}
-	f, err := os.Create(outPath)
-	if err != nil {
-		log.Fatalf("Error creating index.html: %s", err)
-	}
-	defer f.Close()
+func showHelpMessage() {
+	fmt.Println(`
+Usage: 	kite <SUBCOMMAND>
 
-	if err := tmpl.Execute(f, data); err != nil {
-		log.Fatalf("Error rendering home page: %s", err)
-	}
-	fmt.Println("Home page written to", outPath)
+SUBCOMMANDS:
+build
+serve
+`)
 }