// Copyright 2022 Princess B33f Heavy Industries / Dave Shanley
// SPDX-License-Identifier: MIT

package v2

import (
	"context"
	"errors"
	"testing"

	"github.com/pb33f/libopenapi/datamodel/low"
	"github.com/pb33f/libopenapi/index"
	"github.com/pb33f/libopenapi/orderedmap"
	"github.com/stretchr/testify/assert"
	"go.yaml.in/yaml/v4"
)

func TestPathItem_Build_Params(t *testing.T) {
	yml := `parameters:
  $ref: break`

	var idxNode yaml.Node
	mErr := yaml.Unmarshal([]byte(yml), &idxNode)
	assert.NoError(t, mErr)
	idx := index.NewSpecIndex(&idxNode)

	var n PathItem
	err := low.BuildModel(&idxNode, &n)
	assert.NoError(t, err)

	err = n.Build(context.Background(), nil, idxNode.Content[0], idx)
	assert.Error(t, err)
}

func TestPathItem_Build_MethodFail(t *testing.T) {
	yml := `post:
  $ref: break`

	var idxNode yaml.Node
	mErr := yaml.Unmarshal([]byte(yml), &idxNode)
	assert.NoError(t, mErr)
	idx := index.NewSpecIndex(&idxNode)

	var n PathItem
	err := low.BuildModel(&idxNode, &n)
	assert.NoError(t, err)

	err = n.Build(context.Background(), nil, idxNode.Content[0], idx)
	assert.Error(t, err)
}

func TestPathItem_Build_MethodModelBuildFail(t *testing.T) {
	origBuildFn := buildPathItemOperationModel
	buildPathItemOperationModel = func(_ *yaml.Node, _ interface{}) error {
		return errors.New("model boom")
	}
	defer func() {
		buildPathItemOperationModel = origBuildFn
	}()

	yml := `get:
  description: hi`

	var idxNode yaml.Node
	mErr := yaml.Unmarshal([]byte(yml), &idxNode)
	assert.NoError(t, mErr)
	idx := index.NewSpecIndex(&idxNode)

	var n PathItem
	err := low.BuildModel(&idxNode, &n)
	assert.NoError(t, err)

	err = n.Build(context.Background(), nil, idxNode.Content[0], idx)
	assert.Error(t, err)
	assert.ErrorContains(t, err, "model boom")
}

func TestPathItem_Hash(t *testing.T) {
	yml := `get:
  description: get me up
put:
  description: put me out
post:
  description: post me there
delete:
  description: delete me please
options:
  description: whats on the menu
parameters:
  - name: fishy
    location: sea
head:
  description: meta me up
patch:
  description: I got a boo boo
x-winter: is coming`

	var idxNode yaml.Node
	_ = yaml.Unmarshal([]byte(yml), &idxNode)
	idx := index.NewSpecIndex(&idxNode)

	var n PathItem
	_ = low.BuildModel(idxNode.Content[0], &n)
	_ = n.Build(context.Background(), nil, idxNode.Content[0], idx)

	yml2 := `post:
  description: post me there
put:
  description: put me out
delete:
  description: delete me please
options:
  description: whats on the menu
patch:
  description: I got a boo boo
head:
  description: meta me up
x-winter: is coming
get:
  description: get me up
parameters:
  - name: fishy
    location: sea`

	var idxNode2 yaml.Node
	_ = yaml.Unmarshal([]byte(yml2), &idxNode2)
	idx2 := index.NewSpecIndex(&idxNode2)

	var n2 PathItem
	_ = low.BuildModel(idxNode2.Content[0], &n2)
	_ = n2.Build(context.Background(), nil, idxNode2.Content[0], idx2)

	// hash
	assert.Equal(t, n.Hash(), n2.Hash())
	assert.Equal(t, 1, orderedmap.Len(n.GetExtensions()))
}
