package errors

import (
	"errors"
	"path/filepath"
	"testing"
)

func TestErrRouteNotFound(t *testing.T) {
	tests := []struct {
		name     string
		route    string
		expected string
	}{
		{
			name:     "empty route name",
			route:    "",
			expected: "route not found: ",
		},
		{
			name:     "simple route name",
			route:    "home",
			expected: "route not found: home",
		},
		{
			name:     "complex route name",
			route:    "/api/v1/resource",
			expected: "route not found: /api/v1/resource",
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			err := NewErrRouteNotFound(tt.route)
			if err.Error() != tt.expected {
				t.Errorf("expected %q, got %q", tt.expected, err.Error())
			}

			// also check that errors.As works
			var target *ErrRouteNotFound
			if !errors.As(err, &target) {
				t.Errorf("expected error to be of type ErrRouteNotFound")
			}
		})
	}
}

func TestErrBadgerInit(t *testing.T) {
	tests := []struct {
		name     string
		baseDir  string
		subDir   string
		expected string
	}{
		{
			name:     "base dir only",
			baseDir:  "/tmp/data",
			subDir:   "",
			expected: "failed to initialize badger store at base directory: /tmp/data",
		},
		{
			name:     "base dir with sub dir",
			baseDir:  "/tmp/data",
			subDir:   "auth",
			expected: "failed to initialize badger store at directory: " + filepath.Join("/tmp/data", "auth"),
		},
		{
			name:     "empty paths",
			baseDir:  "",
			subDir:   "",
			expected: "failed to initialize badger store at base directory: ",
		},
		{
			name:     "empty base dir with sub dir",
			baseDir:  "",
			subDir:   "cache",
			expected: "failed to initialize badger store at directory: " + filepath.Join("", "cache"),
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			err := NewErrBadgerInit(tt.baseDir, tt.subDir)
			if err.Error() != tt.expected {
				t.Errorf("expected %q, got %q", tt.expected, err.Error())
			}

			// also check that errors.As works
			var target *ErrBadgerInit
			if !errors.As(err, &target) {
				t.Errorf("expected error to be of type ErrBadgerInit")
			}
		})
	}
}

func TestErrCacheUninitialized(t *testing.T) {
	if ErrCacheUninitialized.Error() != "the route cache is uninitialized" {
		t.Errorf("unexpected error message: %q", ErrCacheUninitialized.Error())
	}
}