package business

import (
	"context"
	"testing"
)

type otherSettingsFake struct {
	value *OtherSettings
	calls int
}

func (r *otherSettingsFake) Find(context.Context) (*OtherSettings, error) {
	r.calls++
	return r.value, nil
}
func (r *otherSettingsFake) Save(_ context.Context, value OtherSettings) (*OtherSettings, error) {
	r.calls++
	r.value = &value
	return r.value, nil
}

func TestOtherSettingsOnlySuperAdminAndDefaults(t *testing.T) {
	r := &otherSettingsFake{}
	uc := NewOtherSettingsUsecase(r, nil)
	for _, ctx := range []context.Context{context.Background(), accountContext(7, 901), accountContext(8, 902), accountContext(9, 903)} {
		if _, err := uc.Get(ctx); err == nil {
			t.Fatal("非超管不能读取设置")
		}
		if _, err := uc.Save(ctx, DefaultOtherSettings()); err == nil {
			t.Fatal("非超管不能保存设置")
		}
	}
	if r.calls != 0 {
		t.Fatal("无权限请求不得访问存储")
	}
	value, err := uc.Get(accountContext(1, 888))
	if err != nil || *value != DefaultOtherSettings() {
		t.Fatalf("首次读取应返回默认值: %+v %v", value, err)
	}
	if _, err := uc.Save(accountContext(1, 888), OtherSettings{Amount: 0, Days: 1}); err != nil {
		t.Fatal(err)
	}
	value, err = uc.Get(accountContext(2, 888))
	if err != nil || value.Amount != 0 || value.Days != 1 {
		t.Fatal("参数应为全站共享，不能按用户各存一份")
	}
}

func TestOtherSettingsRejectInvalidRange(t *testing.T) {
	uc := NewOtherSettingsUsecase(&otherSettingsFake{}, nil)
	for _, value := range []OtherSettings{{Amount: -1, Days: 30}, {Amount: 3000, Days: 0}, {Amount: MaxSettingsInteger + 1, Days: 30}, {Amount: 3000, Days: MaxSettingsInteger + 1}} {
		if _, err := uc.Save(accountContext(1, 888), value); err != ErrOtherSettingsInput {
			t.Fatalf("不应保存非法值: %+v %v", value, err)
		}
	}
}