package sentio

import (
	"reflect"
	"slices"
	"testing"
)

func TestCompareStrategyOrders(t *testing.T) {
	tests := []struct {
		name   string
		orders []StrategyOrder
		want   []StrategyOrder
	}{
		{
			name: "Sell first",
			orders: []StrategyOrder{
				{
					Action: OrderBuy,
					Ratio:  .3,
				},
				{
					Action: OrderSell,
					Ratio:  1,
				},
			},
			want: []StrategyOrder{
				{
					Action: OrderSell,
					Ratio:  1,
				},
				{
					Action: OrderBuy,
					Ratio:  .3,
				},
			},
		},
		{
			name: "Buy largest first",
			orders: []StrategyOrder{
				{
					Action: OrderBuy,
					Ratio:  .3,
				},
				{
					Action: OrderBuy,
					Ratio:  .6,
				},
			},
			want: []StrategyOrder{
				{
					Action: OrderBuy,
					Ratio:  .6,
				},
				{
					Action: OrderBuy,
					Ratio:  .3,
				},
			},
		},
		{
			name: "Sell largest first",
			orders: []StrategyOrder{
				{
					Action: OrderSell,
					Ratio:  .3,
				},
				{
					Action: OrderSell,
					Ratio:  .6,
				},
			},
			want: []StrategyOrder{
				{
					Action: OrderSell,
					Ratio:  .6,
				},
				{
					Action: OrderSell,
					Ratio:  .3,
				},
			},
		},
		{
			name: "Sell largest first then buy",
			orders: []StrategyOrder{
				{
					Action: OrderSell,
					Ratio:  .3,
				},
				{
					Action: OrderBuy,
					Ratio:  .6,
				},
				{
					Action: OrderSell,
					Ratio:  .6,
				},
			},
			want: []StrategyOrder{
				{
					Action: OrderSell,
					Ratio:  .6,
				},
				{
					Action: OrderSell,
					Ratio:  .3,
				},
				{
					Action: OrderBuy,
					Ratio:  .6,
				},
			},
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			slices.SortFunc(tt.orders, CompareStrategyOrders)

			if ok := reflect.DeepEqual(tt.want, tt.orders); !ok {
				t.Errorf("SortFunc = %v, want %v", tt.orders, tt.want)
			}
		})
	}
}