1package main
 2
 3import (
 4	"fmt"
 5	"os"
 6	"path/filepath"
 7	"sort"
 8
 9	"github.com/antonmedv/gitmal/pkg/git"
10	"github.com/antonmedv/gitmal/pkg/templates"
11)
12
13// generateBranches creates a branches.html page at the root of the output
14// that lists all branches and links to their root directory listings.
15func generateBranches(branches []git.Ref, defaultBranch string, params Params) error {
16	outDir := params.OutputDir
17	if err := os.MkdirAll(outDir, 0o755); err != nil {
18		return err
19	}
20
21	entries := make([]templates.BranchEntry, 0, len(branches))
22	for _, b := range branches {
23		entries = append(entries, templates.BranchEntry{
24			Name:        b.String(),
25			Href:        filepath.ToSlash(filepath.Join("blob", b.DirName()) + "/index.html"),
26			IsDefault:   b.String() == defaultBranch,
27			CommitsHref: filepath.ToSlash(filepath.Join("commits", b.DirName(), "index.html")),
28		})
29	}
30
31	// Ensure default branch is shown at the top of the list.
32	// Keep remaining branches sorted alphabetically for determinism.
33	sort.SliceStable(entries, func(i, j int) bool {
34		if entries[i].IsDefault != entries[j].IsDefault {
35			return entries[i].IsDefault && !entries[j].IsDefault
36		}
37		return entries[i].Name < entries[j].Name
38	})
39
40	f, err := os.Create(filepath.Join(outDir, "branches.html"))
41	if err != nil {
42		return err
43	}
44	defer f.Close()
45
46	// RootHref from root page is just ./
47	rootHref := "./"
48
49	err = templates.BranchesTemplate.ExecuteTemplate(f, "layout.gohtml", templates.BranchesParams{
50		LayoutParams: templates.LayoutParams{
51			Title:         fmt.Sprintf("Branches %s %s", dot, params.Name),
52			Name:          params.Name,
53			SiteName:      params.SiteName,
54			Dark:          params.Dark,
55			RootHref:      rootHref + params.RootPrefix,
56			RepoHref:      rootHref,
57			CurrentRefDir: params.DefaultRef.DirName(),
58			Selected:      "branches",
59			InlineStyles:  params.InlineStyles,
60		},
61		Branches: entries,
62	})
63	if err != nil {
64		return err
65	}
66
67	return nil
68}