package httpserver

import (
	"testing"
	"time"

	"github.com/tim/cairnquire/apps/server/internal/docs"
)

func TestBuildBrowserUsesFolderIndex(t *testing.T) {
	browser := buildBrowser([]docs.DocumentRecord{
		{
			Path:      "guide/index.md",
			Title:     "Guide",
			UpdatedAt: time.Now(),
		},
		{
			Path:      "guide/setup.md",
			Title:     "Setup",
			UpdatedAt: time.Now(),
		},
	}, "guide/index.md")

	if len(browser.Columns) != 2 {
		t.Fatalf("len(browser.Columns) = %d, want 2", len(browser.Columns))
	}

	root := browser.Columns[0].Items
	if len(root) != 1 {
		t.Fatalf("len(root items) = %d, want 1", len(root))
	}
	if !root[0].IsFolder || root[0].Name != "Guide" || root[0].URL != "/docs/guide" {
		t.Fatalf("root folder = %#v, want Guide folder linking to /docs/guide", root[0])
	}

	child := browser.Columns[1].Items
	if len(child) != 1 {
		t.Fatalf("len(child items) = %d, want 1", len(child))
	}
	if child[0].Path == "guide/index.md" {
		t.Fatalf("folder index file should be represented by the folder, not repeated as a child file")
	}
}

func TestTrimEditSuffix(t *testing.T) {
	tests := []struct {
		name     string
		input    string
		wantPath string
		wantOK   bool
	}{
		{name: "nested path", input: "guide/setup/edit", wantPath: "guide/setup", wantOK: true},
		{name: "root edit sentinel", input: "edit", wantPath: "", wantOK: true},
		{name: "document route", input: "guide/setup", wantPath: "", wantOK: false},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			gotPath, gotOK := trimEditSuffix(tt.input)
			if gotPath != tt.wantPath || gotOK != tt.wantOK {
				t.Fatalf("trimEditSuffix(%q) = (%q, %t), want (%q, %t)", tt.input, gotPath, gotOK, tt.wantPath, tt.wantOK)
			}
		})
	}
}