package annotation

import (
	"reflect"
	"testing"
)

var InjectableAnnotationType = reflect.TypeOf((*InjectableAnnotation)(nil))

type InjectableAnnotation struct {
	Annotation `@name:"@Injectable"`
	Name       string `json:"name" @default:""`
}

var TestServiceType = reflect.TypeOf((*TestService)(nil))

type TestService struct {
	TypeAnnotation `annotation:"@Injectable('name': 'TestService')"`
}

func TestNew(t *testing.T) {
	type args struct {
		parent Registry
	}
	tests := []struct {
		name string
		args args
		want Registry
	}{
		{
			name: "New of nil",
			args: args{
				parent: nil,
			},
			want: New(nil),
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if got := New(tt.args.parent); !reflect.DeepEqual(got, tt.want) {
				t.Errorf("New() = %v, want %v", got, tt.want)
			}
		})
	}
}

func TestRegister(t *testing.T) {
	type args struct {
		t reflect.Type
	}
	tests := []struct {
		name    string
		args    args
		wantErr bool
	}{
		{
			name: "Register Injectable",
			args: args{
				t: InjectableAnnotationType,
			},
			wantErr: false,
		},
		{
			name: "Register duplicate Injectable",
			args: args{
				t: InjectableAnnotationType,
			},
			wantErr: true,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if err := Register(tt.args.t); (err != nil) != tt.wantErr {
				t.Errorf("Register() error = %v, wantErr %v", err, tt.wantErr)
			}
		})
	}
}

func TestAnnotationRegistry_Register(t *testing.T) {
	type fields struct {
		parent      Registry
		definitions map[string]*Definition
	}
	type args struct {
		t reflect.Type
	}
	tests := []struct {
		name    string
		fields  fields
		args    args
		wantErr bool
	}{
		// TODO: Add test cases.
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			r := &AnnotationRegistry{
				parent:      tt.fields.parent,
				definitions: tt.fields.definitions,
			}
			if err := r.Register(tt.args.t); (err != nil) != tt.wantErr {
				t.Errorf("AnnotationRegistry.Register() error = %v, wantErr %v", err, tt.wantErr)
			}
		})
	}
}

func TestGet(t *testing.T) {
	Register(InjectableAnnotationType)

	ts := TestService{}
	tsT := reflect.TypeOf(ts)

	f, _ := tsT.FieldByName("TypeAnnotation")

	type args struct {
		f *reflect.StructField
	}
	tests := []struct {
		name    string
		args    args
		want    map[reflect.Type]Annotation
		wantErr bool
	}{
		{
			name: "Get TestService",
			args: args{
				f: &f,
			},
			want: map[reflect.Type]Annotation{
				TestServiceType: &InjectableAnnotation{
					Name: "TestService",
				},
			},
			wantErr: false,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			got, err := Get(tt.args.f)
			if (err != nil) != tt.wantErr {
				t.Errorf("Get() error = %v, wantErr %v", err, tt.wantErr)
				return
			}
			if !reflect.DeepEqual(got, tt.want) {
				t.Errorf("Get() = %v, want %v", got, tt.want)
			}
		})
	}
}

func TestAnnotationRegistry_Get(t *testing.T) {
	type fields struct {
		parent      Registry
		definitions map[string]*Definition
	}
	type args struct {
		f *reflect.StructField
	}
	tests := []struct {
		name    string
		fields  fields
		args    args
		want    map[reflect.Type]Annotation
		wantErr bool
	}{
		// TODO: Add test cases.
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			r := &AnnotationRegistry{
				parent:      tt.fields.parent,
				definitions: tt.fields.definitions,
			}
			got, err := r.Get(tt.args.f)
			if (err != nil) != tt.wantErr {
				t.Errorf("AnnotationRegistry.Get() error = %v, wantErr %v", err, tt.wantErr)
				return
			}
			if !reflect.DeepEqual(got, tt.want) {
				t.Errorf("AnnotationRegistry.Get() = %v, want %v", got, tt.want)
			}
		})
	}
}

func Test_findAnnotatedFields(t *testing.T) {
	type args struct {
		t    reflect.Type
		ft   reflect.Type
		deep bool
	}
	tests := []struct {
		name string
		args args
		want map[string]*reflect.StructField
	}{
		// TODO: Add test cases.
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if got := findAnnotatedFields(tt.args.t, tt.args.ft, tt.args.deep); !reflect.DeepEqual(got, tt.want) {
				t.Errorf("findAnnotatedFields() = %v, want %v", got, tt.want)
			}
		})
	}
}