package sentio

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

func TestOrderIntent_MarshalJSON(t *testing.T) {
	type Obj struct {
		Intent OrderIntent `json:"intent"`
	}

	tests := []struct {
		obj  Obj
		want []byte
	}{
		{
			obj:  Obj{Intent: BuyToOpen},
			want: []byte(`{"intent":"buy_to_open"}`),
		},
		{
			obj:  Obj{Intent: BuyToClose},
			want: []byte(`{"intent":"buy_to_close"}`),
		},
		{
			obj:  Obj{Intent: SellToOpen},
			want: []byte(`{"intent":"sell_to_open"}`),
		},
		{
			obj:  Obj{Intent: SellToClose},
			want: []byte(`{"intent":"sell_to_close"}`),
		},
		{
			obj:  Obj{Intent: -1},
			want: []byte(`{"intent":"undefined"}`),
		},
		{
			obj:  Obj{Intent: 100},
			want: []byte(`{"intent":"undefined"}`),
		},
	}

	for _, tt := range tests {
		t.Run("TestOrderIntent", func(t *testing.T) {
			if got, _ := json.Marshal(tt.obj); !reflect.DeepEqual(got, tt.want) {
				t.Errorf("MarshalJSON() got = %v, want %v", got, tt.want)
			}
		})
	}
}

func TestOrderIntent_UnmarshalJSON(t *testing.T) {
	type Obj struct {
		Intent OrderIntent `json:"intent"`
	}

	tests := []struct {
		obj     Obj
		data    []byte
		wantErr bool
	}{
		{
			obj: Obj{
				Intent: BuyToOpen,
			},
			data:    []byte(`{"intent":"buy_to_open"}`),
			wantErr: false,
		},
		{
			obj: Obj{
				Intent: BuyToClose,
			},
			data:    []byte(`{"intent":"buy_to_close"}`),
			wantErr: false,
		},
		{
			obj: Obj{
				Intent: SellToOpen,
			},
			data:    []byte(`{"intent":"sell_to_open"}`),
			wantErr: false,
		},
		{
			obj: Obj{
				Intent: SellToClose,
			},
			data:    []byte(`{"intent":"sell_to_close"}`),
			wantErr: false,
		},
		{
			obj: Obj{
				Intent: SellToClose,
			},
			data:    []byte(`{"intent":3}`),
			wantErr: false,
		},
		{
			obj: Obj{
				Intent: BuyToOpen,
			},
			data:    []byte(`{"intent":19}`),
			wantErr: true,
		},
		{
			obj: Obj{
				Intent: BuyToOpen,
			},
			data:    []byte(`{"intent":null}`),
			wantErr: false,
		},
	}

	for _, tt := range tests {
		t.Run("TestOrderIntent", func(t *testing.T) {
			var v Obj

			if err := json.Unmarshal(tt.data, &v); (err != nil) != tt.wantErr {
				t.Errorf("UnmarshalJSON() error = %v, wantErr %v", err, tt.wantErr)
				return
			}

			if !reflect.DeepEqual(v, tt.obj) {
				t.Errorf("MarshalJSON() got = %v, want %v", v, tt.obj)
			}
		})
	}
}