(Feat): New UI panel for archive comparison feature

internal/ui/compare.go

@@ -0,0 +1,189 @@
+package ui
+
+import (
+	"fmt"
+	"os"
+
+	"zipprine/internal/archiver"
+	"zipprine/internal/models"
+
+	"github.com/charmbracelet/huh"
+)
+
+func RunCompareFlow() error {
+	var archive1Path, archive2Path string
+	var showDetails bool
+
+	form := huh.NewForm(
+		huh.NewGroup(
+			huh.NewInput().
+				Title("📦 First Archive").
+				Description("Path to the first archive").
+				Value(&archive1Path).
+				Validate(func(s string) error {
+					if s == "" {
+						return fmt.Errorf("path cannot be empty")
+					}
+					if _, err := os.Stat(s); os.IsNotExist(err) {
+						return fmt.Errorf("archive does not exist")
+					}
+					return nil
+				}).
+				Suggestions(getPathCompletions("")),
+
+			huh.NewInput().
+				Title("📦 Second Archive").
+				Description("Path to the second archive").
+				Value(&archive2Path).
+				Validate(func(s string) error {
+					if s == "" {
+						return fmt.Errorf("path cannot be empty")
+					}
+					if _, err := os.Stat(s); os.IsNotExist(err) {
+						return fmt.Errorf("archive does not exist")
+					}
+					return nil
+				}).
+				Suggestions(getPathCompletions("")),
+
+			huh.NewConfirm().
+				Title("📋 Show Detailed Differences").
+				Description("Display detailed file-by-file comparison").
+				Value(&showDetails),
+		),
+	).WithTheme(huh.ThemeCatppuccin())
+
+	if err := form.Run(); err != nil {
+		return err
+	}
+
+	fmt.Println(InfoStyle.Render("🔍 Analyzing archives..."))
+	fmt.Println()
+
+	// Detect archive types
+	type1, err := archiver.DetectArchiveType(archive1Path)
+	if err != nil {
+		return fmt.Errorf("failed to detect first archive type: %w", err)
+	}
+
+	type2, err := archiver.DetectArchiveType(archive2Path)
+	if err != nil {
+		return fmt.Errorf("failed to detect second archive type: %w", err)
+	}
+
+	// Compare archives
+	result, err := archiver.CompareArchives(archive1Path, archive2Path, type1, type2)
+	if err != nil {
+		return fmt.Errorf("failed to compare archives: %w", err)
+	}
+
+	// Display results
+	fmt.Println(TitleStyle.Render("📊 Comparison Results"))
+	fmt.Println()
+	fmt.Println(result.Summary)
+	fmt.Println()
+
+	if showDetails {
+		if len(result.OnlyInFirst) > 0 {
+			fmt.Println(InfoStyle.Render("📁 Files only in first archive:"))
+			for _, f := range result.OnlyInFirst {
+				fmt.Printf("  • %s\n", f)
+			}
+			fmt.Println()
+		}
+
+		if len(result.OnlyInSecond) > 0 {
+			fmt.Println(InfoStyle.Render("📁 Files only in second archive:"))
+			for _, f := range result.OnlyInSecond {
+				fmt.Printf("  • %s\n", f)
+			}
+			fmt.Println()
+		}
+
+		if len(result.Different) > 0 {
+			fmt.Println(WarningStyle.Render("⚠️  Files that differ:"))
+			for _, f := range result.Different {
+				fmt.Printf("  • %s\n", f.Name)
+				fmt.Printf("    Size: %d bytes → %d bytes\n", f.Size1, f.Size2)
+				fmt.Printf("    ModTime: %s → %s\n", f.ModTime1, f.ModTime2)
+			}
+			fmt.Println()
+		}
+
+		if len(result.InBoth) > 0 && len(result.Different) == 0 {
+			fmt.Println(SuccessStyle.Render("✅ All common files are identical!"))
+		}
+	}
+
+	return nil
+}
+
+func RunConvertFlow() error {
+	var sourcePath, destPath string
+	var destTypeStr string
+
+	form := huh.NewForm(
+		huh.NewGroup(
+			huh.NewInput().
+				Title("📦 Source Archive").
+				Description("Path to the archive to convert").
+				Value(&sourcePath).
+				Validate(func(s string) error {
+					if s == "" {
+						return fmt.Errorf("path cannot be empty")
+					}
+					if _, err := os.Stat(s); os.IsNotExist(err) {
+						return fmt.Errorf("archive does not exist")
+					}
+					return nil
+				}).
+				Suggestions(getPathCompletions("")),
+
+			huh.NewInput().
+				Title("💾 Destination Path").
+				Description("Path for the converted archive").
+				Value(&destPath).
+				Validate(func(s string) error {
+					if s == "" {
+						return fmt.Errorf("path cannot be empty")
+					}
+					return nil
+				}).
+				Suggestions(getPathCompletions("")),
+
+			huh.NewSelect[string]().
+				Title("🎨 Destination Format").
+				Options(
+					huh.NewOption("ZIP", "ZIP"),
+					huh.NewOption("TAR.GZ", "TARGZ"),
+					huh.NewOption("TAR", "TAR"),
+				).
+				Value(&destTypeStr),
+		),
+	).WithTheme(huh.ThemeCatppuccin())
+
+	if err := form.Run(); err != nil {
+		return err
+	}
+
+	fmt.Println(InfoStyle.Render("🔄 Converting archive..."))
+	fmt.Println()
+
+	// Detect source archive type
+	sourceType, err := archiver.DetectArchiveType(sourcePath)
+	if err != nil {
+		return fmt.Errorf("failed to detect source archive type: %w", err)
+	}
+
+	destType := models.ArchiveType(destTypeStr)
+
+	// Convert archive
+	if err := archiver.ConvertArchive(sourcePath, destPath, sourceType, destType); err != nil {
+		return fmt.Errorf("conversion failed: %w", err)
+	}
+
+	fmt.Println(SuccessStyle.Render(fmt.Sprintf("✅ Successfully converted %s to %s", sourceType, destType)))
+	fmt.Println(InfoStyle.Render(fmt.Sprintf("📁 Output: %s", destPath)))
+
+	return nil
+}