// Package dynamicstruct ...
//
// Description : dynamic struct ...
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 2025-03-19 14:48
package dynamicstruct

import (
	"encoding/json"
	"reflect"
	"testing"

	. "github.com/smartystreets/goconvey/convey"
)

/*func Test_dynamicStructImpl_New(t *testing.T) {
	instance := NewStruct(map[string]string{}).
		AddField("user.base.age", "", 20, `json:"age"`, false).
		AddField("user.base.name", "", "", `json:"name"`, false).
		AddField("user.job.address", "", "", `json:"address"`, false).
		AddField("user.job.company.name", "", "", `json:"name"`, false).
		AddField("arr.[].item.name", "", "", `json:"name"`, false).
		AddField("arr2.[].[].item.name", "", "", `json:"name"`, false).
		Build()

	val := instance.New()
	data := []byte(`
{
    "int": 123,
    "someText": "example",
    "double": 123.45,
    "Boolean": true,
    "Slice": [1, 2, 3],
    "user": {"job":{"address":"beijing","company":{"name":"unknown"}}, "base":{"age": 1800, "name":"baicha"}},
    "Anonymous": "avoid to read",
	"arr": [{"item":{"name":"item1","test":1}},{"item":{"name":"item2", "test":2}}],
	"arr2": [[{"item":{"name":"item1","test":1}},{"item":{"name":"item2", "test":2}}]]
}
`)
	tType := reflect.TypeOf(val)
	fmt.Println(tType, tType.Kind(), tType.Elem().Kind(), tType.Elem().Kind().String())
	err := json.Unmarshal(data, &val)
	fmt.Println(err, val)
	valByte, _ := json.Marshal(val)
	fmt.Println(string(valByte))
	// fmt.Println(reflect.ValueOf(val).Elem().FieldByName("Integer").Interface())
}
*/
// TestStruct : 测试结构体
func TestStruct(t *testing.T) {
	Convey("普通结构体,无嵌套", t, func() {
		data := []byte(`
		{
			"age": 123,
			"name": "example",
			"double": 123.45,
			"tag_map": "ttt",
			"bool": true,
			"slice": [1, 2, 3]
		}
		`)
		instance := NewStruct(map[string]string{
			"test_tag_map": `json:"tag_map"`,
		}).
			AddField("age", "", 0, `json:"age"`, false).
			AddField("name", "", "", `json:"name"`, false).
			AddField("test_tag_map", "", "", "", false).
			AddField("double", "", 0.0, `json:"double"`, false).
			AddField("bool", "", false, "", false).
			AddField("slice", "", []int{}, `json:"slice"`, false).Build()
		val := instance.New()
		err := json.Unmarshal(data, &val)
		So(err, ShouldBeNil)
		reflectType := reflect.TypeOf(val)
		// 需要是结构体类型
		So(reflectType.Elem().Kind(), ShouldEqual, reflect.Struct)
		// 验证数据
		// 数据序列化成功
		targetByte, targetErr := json.Marshal(val)
		So(targetErr, ShouldBeNil)
		// 数据转map成功
		var res map[string]any
		targetUnmarshalErr := json.Unmarshal(targetByte, &res)
		So(targetUnmarshalErr, ShouldBeNil)
		// 验证数据
		So(len(res), ShouldEqual, 6)
		So(res["age"], ShouldEqual, float64(123))
		So(res["name"], ShouldEqual, "example")
		So(res["tag_map"], ShouldEqual, "ttt")
		So(res["double"], ShouldEqual, 123.45)
		So(res["bool"], ShouldEqual, true)
		So(res["slice"], ShouldEqual, []any{float64(1), float64(2), float64(3)})
	})
}

// TestNestedStruct : 测试嵌套结构体
func TestNestedStruct(t *testing.T) {
	Convey("嵌套结构体", t, func() {
		data := []byte(`
		{
"user": {"info": {
			"age": 123,
			"name": "example",
			"double": 123.45,
			"bool": true,
			"slice": [1, 2, 3]
		}}}
		`)
		instance := NewStruct(map[string]string{
			"test_tag_map": `json:"tag_map"`,
		}).
			AddField("user.info.age", "", 0, `json:"age"`, false).
			AddField("user.info.name", "", "", `json:"name"`, false).
			Build()
		val := instance.New()
		err := json.Unmarshal(data, &val)
		So(err, ShouldBeNil)
		reflectType := reflect.TypeOf(val)
		// 需要是结构体类型
		So(reflectType.Elem().Kind(), ShouldEqual, reflect.Struct)
		// 验证数据
		// 数据序列化成功
		targetByte, targetErr := json.Marshal(val)
		So(targetErr, ShouldBeNil)
		// 数据转map成功
		var res map[string]any
		targetUnmarshalErr := json.Unmarshal(targetByte, &res)
		So(targetUnmarshalErr, ShouldBeNil)
		So(len(res), ShouldEqual, 1)
		So(res["user"], ShouldNotBeEmpty)
		userMap, ok := res["user"].(map[string]any)
		So(ok, ShouldBeTrue)
		So(len(userMap), ShouldEqual, 1)
		userInfoMap, ok := userMap["info"].(map[string]any)
		So(ok, ShouldBeTrue)
		So(userInfoMap["age"], ShouldEqual, float64(123))
		So(userInfoMap["name"], ShouldEqual, "example")
	})
}

// TestStruct : 测试数组
func TestArray(t *testing.T) {
	Convey("嵌套结构体带多级数组", t, func() {
		data := []byte(`
		{
"user": {"list":[[[{
			"age": 123,
			"name": "example",
			"double": 123.45,
			"bool": true,
			"slice": [1, 2, 3]
		}]]]}
}
		`)
		instance := NewStruct(map[string]string{
			"test_tag_map": `json:"tag_map"`,
		}).
			AddField("user.list.[].[].[].age", "", 0, `json:"age"`, false).
			AddField("user.list.[].[].[].name", "", "", `json:"name"`, false).
			Build()
		val := instance.New()
		err := json.Unmarshal(data, &val)
		So(err, ShouldBeNil)
		reflectType := reflect.TypeOf(val)
		// 需要是结构体类型
		So(reflectType.Elem().Kind(), ShouldEqual, reflect.Struct)
		// 验证数据
		// 数据序列化成功
		targetByte, targetErr := json.Marshal(val)
		So(targetErr, ShouldBeNil)
		// 数据转map成功
		var res map[string]map[string][][][]any
		targetUnmarshalErr := json.Unmarshal(targetByte, &res)
		So(targetUnmarshalErr, ShouldBeNil)
		So(len(res), ShouldEqual, 1)
		So(res["user"], ShouldNotBeEmpty)
		So(len(res["user"]), ShouldEqual, 1)
		So(len(res["user"]["list"][0]), ShouldEqual, 1)
		So(len(res["user"]["list"][0][0]), ShouldEqual, 1)
		userMap, ok := res["user"]["list"][0][0][0].(map[string]any)
		So(ok, ShouldBeTrue)
		So(len(userMap), ShouldEqual, 2)
		So(userMap["age"], ShouldEqual, float64(123))
		So(userMap["name"], ShouldEqual, "example")
		So(userMap["double"], ShouldBeNil)
	})
}

func TestFieldManage(t *testing.T) {
	Convey("结构体字段管理", t, func() {
		instance := NewStruct(map[string]string{
			"test_tag_map": `json:"tag_map"`,
		}).AddField("age", "", 0, `json:"age"`, false).
			AddField("name", "", "", `json:"name"`, false)
		So(instance.HasField("Name"), ShouldBeTrue)
		So(instance.GetField("Name"), ShouldNotBeNil)
		instance.RemoveField("Name")
		So(instance.HasField("Name"), ShouldBeFalse)
		So(instance.GetField("Name"), ShouldBeNil)
		So(instance.HasField("Age"), ShouldBeTrue)
	})
}

func TestExtendStruct(t *testing.T) {
	Convey("结构体字段继承", t, func() {
		type User struct {
			Name string `json:"name"`
			Age  int    `json:"age"`
		}
		type Company struct {
			Address string  `json:"address"`
			Logo    string  `json:"logo"`
			Age     float64 `json:"company_age"` // 应该覆盖掉 User.Age
		}
		instance := ExtendStruct(User{}, Company{})
		So(instance.HasField("Name"), ShouldBeTrue)
		So(instance.HasField("Age"), ShouldBeTrue)
		So(instance.HasField("Address"), ShouldBeTrue)
		So(instance.HasField("Logo"), ShouldBeTrue)
		So(reflect.TypeOf(instance.GetField("Age").GetType()).Kind(), ShouldEqual, reflect.Float64)
		So(instance.GetField("Age").GetTag(), ShouldEqual, `json:"company_age"`)
	})
}

func TestArrayRoot(t *testing.T) {
	Convey("嵌套结构体带多级数组", t, func() {
		data := []byte(`
[[[{
			"age": 123,
			"name": "example",
			"double": 123.45,
			"bool": true,
			"slice": [1, 2, 3]
		}]]]
		`)
		instance := NewStruct(map[string]string{
			"test_tag_map": `json:"tag_map"`,
		}).
			AddField("[].[].[].age", "", 0, `json:"age"`, false).
			AddField("[].[].[].name", "", "", `json:"name"`, false).
			Build()
		val := instance.New()
		err := json.Unmarshal(data, &val)
		So(err, ShouldBeNil)
		reflectType := reflect.TypeOf(val)
		// 需要是数组类型
		So(reflectType.Kind(), ShouldEqual, reflect.Ptr)
		So(reflectType.Elem().Kind(), ShouldEqual, reflect.Slice)
		// 验证数据
		// 数据序列化成功
		targetByte, targetErr := json.Marshal(val)
		So(targetErr, ShouldBeNil)
		// 数据转map成功
		var res [][][]any
		targetUnmarshalErr := json.Unmarshal(targetByte, &res)
		So(targetUnmarshalErr, ShouldBeNil)
		So(len(res), ShouldEqual, 1)
		userMap, ok := res[0][0][0].(map[string]any)
		So(ok, ShouldBeTrue)
		So(len(userMap), ShouldEqual, 2)
		So(userMap["age"], ShouldEqual, float64(123))
		So(userMap["name"], ShouldEqual, "example")
		So(userMap["double"], ShouldBeNil)
	})
}