package models_test

import (
	"testing"

	"git.zzyxyz.com/zzy/zzyxyz_go_api/internal/vfs/models"
)

func TestParsePathComponents(t *testing.T) {
	tests := []struct {
		name         string
		pathStr      string
		wantParent   string
		wantName     string
		wantNodeType models.VfsNodeType
		wantErr      bool
	}{
		{
			name:         "directory path with trailing slash",
			pathStr:      "/home/",
			wantParent:   "/",
			wantName:     "home",
			wantNodeType: models.VfsNodeTypeDirectory,
			wantErr:      false,
		},
		{
			name:         "file path without extension",
			pathStr:      "/home",
			wantParent:   "/",
			wantName:     "home",
			wantNodeType: models.VfsNodeTypeFile,
			wantErr:      false,
		},
		{
			name:         "file path with extension",
			pathStr:      "/home.txt",
			wantParent:   "/",
			wantName:     "home.txt",
			wantNodeType: models.VfsNodeTypeFile,
			wantErr:      false,
		},
		{
			name:         "nested directory path with trailing slash",
			pathStr:      "/home/user/",
			wantParent:   "/home",
			wantName:     "user",
			wantNodeType: models.VfsNodeTypeDirectory,
			wantErr:      false,
		},
		{
			name:         "nested file path",
			pathStr:      "/home/user/file.txt",
			wantParent:   "/home/user",
			wantName:     "file.txt",
			wantNodeType: models.VfsNodeTypeFile,
			wantErr:      false,
		},
		{
			name:         "deep nested directory path with trailing slash",
			pathStr:      "/home/user/documents/",
			wantParent:   "/home/user",
			wantName:     "documents",
			wantNodeType: models.VfsNodeTypeDirectory,
			wantErr:      false,
		},
		{
			name:         "deep nested file path",
			pathStr:      "/home/user/documents/file.txt",
			wantParent:   "/home/user/documents",
			wantName:     "file.txt",
			wantNodeType: models.VfsNodeTypeFile,
			wantErr:      false,
		},
		{
			name:    "relative path should error",
			pathStr: ".",
			wantErr: true,
		},
		{
			name:    "relative path should error",
			pathStr: "home.txt",
			wantErr: true,
		},
		{
			name:    "relative path should error",
			pathStr: "home/user/",
			wantErr: true,
		},
		{
			name:         "path with multiple slashes",
			pathStr:      "//home//user//",
			wantParent:   "/home",
			wantName:     "user",
			wantNodeType: models.VfsNodeTypeDirectory,
			wantErr:      false,
		},
		{
			name:         "path with multiple slashes and file",
			pathStr:      "//home//user//file.txt",
			wantParent:   "/home/user",
			wantName:     "file.txt",
			wantNodeType: models.VfsNodeTypeFile,
			wantErr:      false,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			parent, name, nodeType, err := models.ParsePathComponents(tt.pathStr)

			if (err != nil) != tt.wantErr {
				t.Errorf("ParsePathComponents() error = %v, wantErr %v", err, tt.wantErr)
				return
			}

			if !tt.wantErr {
				if parent != tt.wantParent {
					t.Errorf("ParsePathComponents() parent = %v, want %v", parent, tt.wantParent)
				}
				if name != tt.wantName {
					t.Errorf("ParsePathComponents() name = %v, want %v", name, tt.wantName)
				}
				if nodeType != tt.wantNodeType {
					t.Errorf("ParsePathComponents() nodeType = %v, want %v", nodeType, tt.wantNodeType)
				}
			}
		})
	}
}