package plugins

import (
	"fmt"
	"os"
	"path/filepath"
	"testing"

	"github.com/crossplane/crossplane-runtime/pkg/test"
	"github.com/google/go-cmp/cmp"
	"github.com/stretchr/testify/assert"

	"github.com/oam-dev/kubevela/apis/types"
)

var RefTestDir = filepath.Join(TestDir, "ref")

func TestCreateRefTestDir(t *testing.T) {
	if _, err := os.Stat(RefTestDir); err != nil && os.IsNotExist(err) {
		err := os.MkdirAll(RefTestDir, 0750)
		assert.NoError(t, err)
	}
}

func TestGenerateReferenceDocs(t *testing.T) {
	ref := &MarkdownReference{}
	assert.NoError(t, ref.GenerateReferenceDocs(RefTestDir))
}

func TestCreateMarkdown(t *testing.T) {
	workloadName := "workload1"
	traitName := "trait1"
	scopeName := "scope1"

	workloadCueTemplate := `
parameter: {
	// +usage=Which image would you like to use for your service
	// +short=i
	image: string
}
`
	traitCueTemplate := `
parameter: {
	replicas: int
}
`

	cases := map[string]struct {
		reason       string
		capabilities []types.Capability
		want         error
	}{
		"WorkloadTypeAndTraitCapability": {
			reason: "valid capabilities",
			capabilities: []types.Capability{
				{
					Name:        workloadName,
					Type:        types.TypeWorkload,
					CueTemplate: workloadCueTemplate,
				},
				{
					Name:        traitName,
					Type:        types.TypeTrait,
					CueTemplate: traitCueTemplate,
				},
			},
			want: nil,
		},
		"ScopeTypeCapability": {
			reason: "invalid capabilities",
			capabilities: []types.Capability{
				{
					Name: scopeName,
					Type: types.TypeScope,
				},
			},
			want: fmt.Errorf("the type of the capability is not right"),
		},
	}
	ref := &MarkdownReference{}
	for name, tc := range cases {
		t.Run(name, func(t *testing.T) {
			got := ref.CreateMarkdown(tc.capabilities, RefTestDir, ReferenceSourcePath)
			if diff := cmp.Diff(tc.want, got, test.EquateErrors()); diff != "" {
				t.Errorf("\n%s\nCreateMakrdown(...): -want error, +got error:\n%s", tc.reason, diff)
			}
		})
	}

}

func TestPrepareParameterTable(t *testing.T) {
	ref := MarkdownReference{}
	tableName := "hello"
	var depth int = 1
	parameterList := []ReferenceParameter{
		{
			PrintableType: "string",
			Depth:         &depth,
		},
	}
	parameterName := "cpu"
	parameterList[0].Name = parameterName
	parameterList[0].Required = true
	refContent := ref.prepareParameter(tableName, parameterList)
	assert.Contains(t, refContent, parameterName)
	assert.Contains(t, refContent, "cpu")
}

func TestDeleteRefTestDir(t *testing.T) {
	if _, err := os.Stat(RefTestDir); err == nil {
		err := os.RemoveAll(RefTestDir)
		assert.NoError(t, err)
	}
}