package httpapi

import (
	"net/http"
	"net/http/httptest"
	"testing"
)

func TestQuerySearchPrefersQ(t *testing.T) {
	r := httptest.NewRequest(http.MethodGet, "/api/products?q=alpha&search=beta", nil)
	if got := QuerySearch(r); got != "alpha" {
		t.Fatalf("got %q want alpha", got)
	}
}

func TestQuerySearchFallsBackToSearch(t *testing.T) {
	r := httptest.NewRequest(http.MethodGet, "/api/products?search=%20widget%20", nil)
	if got := QuerySearch(r); got != "widget" {
		t.Fatalf("got %q want widget", got)
	}
}

func TestQuerySearchEmpty(t *testing.T) {
	r := httptest.NewRequest(http.MethodGet, "/api/products", nil)
	if got := QuerySearch(r); got != "" {
		t.Fatalf("got %q want empty", got)
	}
}

func TestQueryTruthy(t *testing.T) {
	cases := []struct {
		url  string
		key  string
		want bool
	}{
		{"/api/products", "detailed", false},
		{"/api/products?detailed=", "detailed", false},
		{"/api/products?detailed=0", "detailed", false},
		{"/api/products?detailed=false", "detailed", false},
		{"/api/products?detailed=1", "detailed", true},
		{"/api/products?detailed=true", "detailed", true},
		{"/api/products?detailed=YES", "detailed", true},
		{"/api/products?detailed=on", "detailed", true},
		{"/api/products?detailed=%201%20", "detailed", true},
	}
	for _, tc := range cases {
		r := httptest.NewRequest(http.MethodGet, tc.url, nil)
		if got := QueryTruthy(r, tc.key); got != tc.want {
			t.Fatalf("%s: got %v want %v", tc.url, got, tc.want)
		}
	}
}

func TestQueryDetailed(t *testing.T) {
	if QueryDetailed(httptest.NewRequest(http.MethodGet, "/api/products?limit=200", nil)) {
		t.Fatal("default list must be lean (detailed=false)")
	}
	if !QueryDetailed(httptest.NewRequest(http.MethodGet, "/api/products?detailed=1&limit=200", nil)) {
		t.Fatal("detailed=1 must opt into heavy fields")
	}
}