package natal

import (
	"testing"
	"time"
)

func TestComputeDeterministic(t *testing.T) {
	birth := time.Date(1990, 5, 12, 0, 0, 0, 0, time.UTC)
	bt := "10:30"
	place := "上海"
	a, err := Compute(birth, &bt, &place)
	if err != nil {
		t.Fatal(err)
	}
	b, err := Compute(birth, &bt, &place)
	if err != nil {
		t.Fatal(err)
	}
	if a.Sun.Sign != b.Sun.Sign || a.Moon.Lon != b.Moon.Lon || a.Rise.Sign != b.Rise.Sign {
		t.Fatal("not deterministic")
	}
	if len(a.Planets) < 8 || len(a.Houses) != 12 {
		t.Fatalf("planets=%d houses=%d", len(a.Planets), len(a.Houses))
	}
	if a.Sun.Sign == "" {
		t.Fatal("empty sun")
	}
}

func TestResolvePlaceBeijing(t *testing.T) {
	lat, lng, name, ok := ResolvePlace("北京")
	if !ok || name != "北京" || lat < 39 || lng < 116 {
		t.Fatalf("got %v %v %s %v", lat, lng, name, ok)
	}
	_, _, name2, ok2 := ResolvePlace("北京市 市辖区 朝阳区")
	if !ok2 || name2 != "北京" {
		t.Fatalf("pca resolve got %s %v", name2, ok2)
	}
	_, _, name3, ok3 := ResolvePlace("浙江省 杭州市 西湖区")
	if !ok3 || name3 != "杭州" {
		t.Fatalf("hangzhou resolve got %s %v", name3, ok3)
	}
}

func TestSunSignMay(t *testing.T) {
	c, err := Compute(time.Date(1990, 5, 12, 0, 0, 0, 0, time.UTC), nil, nil)
	if err != nil {
		t.Fatal(err)
	}
	// mid-May → Taurus
	if c.Sun.SignKey != "taurus" {
		t.Fatalf("want taurus got %s", c.Sun.SignKey)
	}
}