/*
Copyright 2021 The KubeVela Authors.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package process

import (
	"testing"

	"cuelang.org/go/cue/cuecontext"
	"github.com/stretchr/testify/assert"

	"github.com/kubevela/workflow/pkg/cue/model"
	"github.com/kubevela/workflow/pkg/cue/model/value"
	"github.com/kubevela/workflow/pkg/cue/process"

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

func TestContext(t *testing.T) {
	baseTemplate := `
image: "myserver"
`

	inst := cuecontext.New().CompileString(baseTemplate)
	base, err := model.NewBase(inst)
	if err != nil {
		t.Error(err)
		return
	}

	serviceTemplate := `
	apiVersion: "v1"
    kind:       "ConfigMap"
`

	svcInst := cuecontext.New().CompileString(serviceTemplate)

	svcIns, err := model.NewOther(svcInst)
	if err != nil {
		t.Error(err)
		return
	}

	svcAux := process.Auxiliary{
		Ins:  svcIns,
		Name: "service",
	}

	svcAuxWithAbnormalName := process.Auxiliary{
		Ins:  svcIns,
		Name: "service-1",
	}

	targetParams := map[string]interface{}{
		"parameter1": "string",
		"parameter2": map[string]string{
			"key1": "value1",
			"key2": "value2",
		},
		"parameter3": []string{"item1", "item2"},
	}
	targetData := map[string]interface{}{
		"int":    10,
		"string": "mytxt",
		"bool":   false,
		"map": map[string]interface{}{
			"key": "value",
		},
		"slice": []string{
			"str1", "str2", "str3",
		},
	}
	targetArbitraryData := map[string]interface{}{
		"int":    10,
		"string": "mytxt",
		"bool":   false,
		"map": map[string]interface{}{
			"key": "value",
		},
		"slice": []string{
			"str1", "str2", "str3",
		},
	}

	ctx := NewContext(ContextData{
		AppName:         "myapp",
		CompName:        "mycomp",
		Namespace:       "myns",
		AppRevisionName: "myapp-v1",
		WorkflowName:    "myworkflow",
		PublishVersion:  "mypublishversion",
	})
	ctx.SetBase(base)
	ctx.AppendAuxiliaries(svcAux)
	ctx.AppendAuxiliaries(svcAuxWithAbnormalName)
	ctx.SetParameters(targetParams)
	ctx.PushData(ContextDataArtifacts, targetData)
	ctx.PushData("arbitraryData", targetArbitraryData)

	c, err := ctx.BaseContextFile()
	if err != nil {
		t.Error(err)
		return
	}
	ctxInst := cuecontext.New().CompileString(c)

	gName, err := ctxInst.LookupPath(value.FieldPath("context", ContextName)).String()
	assert.Equal(t, nil, err)
	assert.Equal(t, "mycomp", gName)

	myAppName, err := ctxInst.LookupPath(value.FieldPath("context", ContextAppName)).String()
	assert.Equal(t, nil, err)
	assert.Equal(t, "myapp", myAppName)

	myAppRevision, err := ctxInst.LookupPath(value.FieldPath("context", ContextAppRevision)).String()
	assert.Equal(t, nil, err)
	assert.Equal(t, "myapp-v1", myAppRevision)

	myAppRevisionNum, err := ctxInst.LookupPath(value.FieldPath("context", ContextAppRevisionNum)).Int64()
	assert.Equal(t, nil, err)
	assert.Equal(t, int64(1), myAppRevisionNum)

	myWorkflowName, err := ctxInst.LookupPath(value.FieldPath("context", ContextWorkflowName)).String()
	assert.Equal(t, nil, err)
	assert.Equal(t, "myworkflow", myWorkflowName)

	myPublishVersion, err := ctxInst.LookupPath(value.FieldPath("context", ContextPublishVersion)).String()
	assert.Equal(t, nil, err)
	assert.Equal(t, "mypublishversion", myPublishVersion)

	inputJs, err := ctxInst.LookupPath(value.FieldPath("context", OutputFieldName)).MarshalJSON()
	assert.Equal(t, nil, err)
	assert.Equal(t, `{"image":"myserver"}`, string(inputJs))

	outputsJs, err := ctxInst.LookupPath(value.FieldPath("context", OutputsFieldName, "service")).MarshalJSON()
	assert.Equal(t, nil, err)
	assert.Equal(t, "{\"apiVersion\":\"v1\",\"kind\":\"ConfigMap\"}", string(outputsJs))

	outputsJs, err = ctxInst.LookupPath(value.FieldPath("context", OutputsFieldName, "service-1")).MarshalJSON()
	assert.Equal(t, nil, err)
	assert.Equal(t, "{\"apiVersion\":\"v1\",\"kind\":\"ConfigMap\"}", string(outputsJs))

	ns, err := ctxInst.LookupPath(value.FieldPath("context", ContextNamespace)).String()
	assert.Equal(t, nil, err)
	assert.Equal(t, "myns", ns)

	params, err := ctxInst.LookupPath(value.FieldPath("context", ParameterFieldName)).MarshalJSON()
	assert.Equal(t, nil, err)
	assert.Equal(t, "{\"parameter1\":\"string\",\"parameter2\":{\"key1\":\"value1\",\"key2\":\"value2\"},\"parameter3\":[\"item1\",\"item2\"]}", string(params))

	artifacts, err := ctxInst.LookupPath(value.FieldPath("context", ContextDataArtifacts)).MarshalJSON()
	assert.Equal(t, nil, err)
	assert.Equal(t, "{\"bool\":false,\"int\":10,\"map\":{\"key\":\"value\"},\"slice\":[\"str1\",\"str2\",\"str3\"],\"string\":\"mytxt\"}", string(artifacts))

	arbitraryData, err := ctxInst.LookupPath(value.FieldPath("context", "arbitraryData")).MarshalJSON()
	assert.Equal(t, nil, err)
	assert.Equal(t, "{\"bool\":false,\"int\":10,\"map\":{\"key\":\"value\"},\"slice\":[\"str1\",\"str2\",\"str3\"],\"string\":\"mytxt\"}", string(arbitraryData))
}

func TestParseClusterVersion(t *testing.T) {
	types.ControlPlaneClusterVersion = types.ClusterVersion{Minor: "18+"}
	got := parseClusterVersion(types.ClusterVersion{})
	assert.Equal(t, got["minor"], int64(18))

	types.ControlPlaneClusterVersion = types.ClusterVersion{Minor: "22-"}
	got = parseClusterVersion(types.ClusterVersion{})
	assert.Equal(t, got["minor"], int64(22))
}

func TestPolicyVersionContextFields(t *testing.T) {
	policyName := "my-policy"
	policyType := "my-policy-type"
	policyRevisionName := "my-policy-v3"
	policyRevision := int64(3)
	policyRevisionHash := "abc123def456"

	ctx := NewContext(ContextData{
		AppName:         "myapp",
		CompName:        "mycomp",
		Namespace:       "myns",
		AppRevisionName: "myapp-v1",
	})
	ctx.PushData(ContextPolicyName, policyName)
	ctx.PushData(ContextPolicyType, policyType)
	ctx.PushData(ContextPolicyRevisionName, policyRevisionName)
	ctx.PushData(ContextPolicyRevision, policyRevision)
	ctx.PushData(ContextPolicyRevisionHash, policyRevisionHash)

	c, err := ctx.BaseContextFile()
	if err != nil {
		t.Error(err)
		return
	}

	ctxInst := cuecontext.New().CompileString(c)

	// Verify policyName
	gotPolicyName, err := ctxInst.LookupPath(value.FieldPath("context", ContextPolicyName)).String()
	assert.Equal(t, nil, err)
	assert.Equal(t, policyName, gotPolicyName)

	// Verify policyType
	gotPolicyType, err := ctxInst.LookupPath(value.FieldPath("context", ContextPolicyType)).String()
	assert.Equal(t, nil, err)
	assert.Equal(t, policyType, gotPolicyType)

	// Verify policyRevisionName
	gotRevisionName, err := ctxInst.LookupPath(value.FieldPath("context", ContextPolicyRevisionName)).String()
	assert.Equal(t, nil, err)
	assert.Equal(t, policyRevisionName, gotRevisionName)

	// Verify policyRevision
	gotRevision, err := ctxInst.LookupPath(value.FieldPath("context", ContextPolicyRevision)).Int64()
	assert.Equal(t, nil, err)
	assert.Equal(t, policyRevision, gotRevision)

	// Verify policyRevisionHash
	gotHash, err := ctxInst.LookupPath(value.FieldPath("context", ContextPolicyRevisionHash)).String()
	assert.Equal(t, nil, err)
	assert.Equal(t, policyRevisionHash, gotHash)
}

func TestNewContextNilLabelsAndAnnotations(t *testing.T) {
	// When AppLabels/AppAnnotations are nil (e.g. app has no labels),
	// context.appLabels and context.appAnnotations must be empty structs,
	// not null — so CUE field access like context.appLabels["key"] does not error.
	ctx := NewContext(ContextData{
		AppName:  "myapp",
		CompName: "mycomp",
		// AppLabels and AppAnnotations intentionally omitted (nil)
	})

	c, err := ctx.BaseContextFile()
	assert.NoError(t, err)

	v := cuecontext.New().CompileString(c)

	labels := v.LookupPath(value.FieldPath("context", ContextAppLabels))
	assert.True(t, labels.Exists(), "context.appLabels should exist")
	assert.NoError(t, labels.Err(), "context.appLabels should not be an error value")

	annotations := v.LookupPath(value.FieldPath("context", ContextAppAnnotations))
	assert.True(t, annotations.Exists(), "context.appAnnotations should exist")
	assert.NoError(t, annotations.Err(), "context.appAnnotations should not be an error value")
}