package providers

import (
	"encoding/json"
	"testing"
)

func TestStudioName(t *testing.T) {
	cases := []struct{ json, want string }{
		// Internal divisions roll up to the company.
		{`{"name":"Nintendo EAD","parent":{"name":"Nintendo"}}`, "Nintendo"},
		{`{"name":"Nintendo EPD Production Group No. 8","parent":{"name":"Nintendo EPD","parent":{"name":"Nintendo"}}}`, "Nintendo"},
		{`{"name":"Ubisoft Montreal","parent":{"name":"Ubisoft Entertainment"}}`, "Ubisoft Entertainment"},
		// Studios with their own name stay themselves.
		{`{"name":"Retro Studios","parent":{"name":"Nintendo"}}`, "Retro Studios"},
		{`{"name":"Naughty Dog","parent":{"name":"Sony Interactive Entertainment"}}`, "Naughty Dog"},
		{`{"name":"Landfall Games"}`, "Landfall Games"},
		// Stop climbing once the name changes.
		{`{"name":"Rockstar North","parent":{"name":"Rockstar Games","parent":{"name":"Take-Two Interactive"}}}`, "Rockstar Games"},
		// An unexpanded parent arrives as a bare ID.
		{`{"name":"Nintendo EAD Tokyo","parent":1234}`, "Nintendo EAD Tokyo"},
	}
	for _, c := range cases {
		var co igdbCompany
		if err := json.Unmarshal([]byte(c.json), &co); err != nil {
			t.Fatalf("%s: %v", c.json, err)
		}
		if got := studioName(&co); got != c.want {
			t.Errorf("%s → %q, want %q", c.json, got, c.want)
		}
	}
}

// A whole search response decodes, and co-developers from the same company
// collapse to one name.
func TestIGDBDevelopers(t *testing.T) {
	body := `[{"id":1,"name":"Super Mario Sunshine","involved_companies":[
		{"developer":true,"publisher":false,"company":{"name":"Nintendo EAD","parent":{"name":"Nintendo"}}},
		{"developer":true,"publisher":false,"company":{"name":"Nintendo EAD Tokyo","parent":{"name":"Nintendo EAD","parent":{"name":"Nintendo"}}}},
		{"developer":false,"publisher":true,"company":{"name":"Nintendo"}}]},
		{"id":2,"name":"Publisher only","involved_companies":[{"developer":false,"publisher":true,"company":{"name":"Devolver Digital"}}]}]`
	var games []struct {
		InvolvedCompanies []igdbInvolved `json:"involved_companies"`
	}
	if err := json.Unmarshal([]byte(body), &games); err != nil {
		t.Fatal(err)
	}
	want := []string{"Nintendo", "Devolver Digital"}
	for i, g := range games {
		devs := igdbStudios(g.InvolvedCompanies)
		if len(devs) != 1 || devs[0] != want[i] {
			t.Errorf("game %d developers = %v, want [%s]", i, devs, want[i])
		}
	}
}