package duckduckgo

import (
	"context"
	"testing"

	"gitea.stevedudenhoeffer.com/steve/go-extractor"
	"gitea.stevedudenhoeffer.com/steve/go-extractor/extractortest"
)

func makeWeatherDoc() *extractortest.MockDocument {
	return &extractortest.MockDocument{
		URLValue: "https://duckduckgo.com/?q=weather+new+york",
		MockNode: extractortest.MockNode{
			Children: map[string]extractor.Nodes{
				"div.module--weather span.module__title__link": {
					&extractortest.MockNode{TextValue: "New York, NY"},
				},
				"div.module--weather .module__current-temp": {
					&extractortest.MockNode{TextValue: "72°F"},
				},
				"div.module--weather .module__weather-summary": {
					&extractortest.MockNode{TextValue: "Partly Cloudy"},
				},
				"div.module--weather .module__high-temp": {
					&extractortest.MockNode{TextValue: "78°"},
				},
				"div.module--weather .module__low-temp": {
					&extractortest.MockNode{TextValue: "65°"},
				},
				"div.module--weather .module__humidity": {
					&extractortest.MockNode{TextValue: "55%"},
				},
				"div.module--weather .module__wind": {
					&extractortest.MockNode{TextValue: "SW 10 mph"},
				},
				"div.module--weather .module__forecast-day": {
					&extractortest.MockNode{
						Children: map[string]extractor.Nodes{
							".forecast-day__name":      {&extractortest.MockNode{TextValue: "Mon"}},
							".forecast-day__high":      {&extractortest.MockNode{TextValue: "80°"}},
							".forecast-day__low":       {&extractortest.MockNode{TextValue: "66°"}},
							".forecast-day__condition": {&extractortest.MockNode{TextValue: "Sunny"}},
						},
					},
					&extractortest.MockNode{
						Children: map[string]extractor.Nodes{
							".forecast-day__name":      {&extractortest.MockNode{TextValue: "Tue"}},
							".forecast-day__high":      {&extractortest.MockNode{TextValue: "75°"}},
							".forecast-day__low":       {&extractortest.MockNode{TextValue: "62°"}},
							".forecast-day__condition": {&extractortest.MockNode{TextValue: "Rain"}},
						},
					},
				},
			},
		},
	}
}

func TestExtractWeather(t *testing.T) {
	doc := makeWeatherDoc()

	data, err := extractWeather(doc)
	if err != nil {
		t.Fatalf("extractWeather() error: %v", err)
	}

	if data.Location != "New York, NY" {
		t.Errorf("Location = %q, want %q", data.Location, "New York, NY")
	}
	if data.CurrentTemp != 72 {
		t.Errorf("CurrentTemp = %v, want 72", data.CurrentTemp)
	}
	if data.Condition != "Partly Cloudy" {
		t.Errorf("Condition = %q, want %q", data.Condition, "Partly Cloudy")
	}
	if data.HighTemp != 78 {
		t.Errorf("HighTemp = %v, want 78", data.HighTemp)
	}
	if data.LowTemp != 65 {
		t.Errorf("LowTemp = %v, want 65", data.LowTemp)
	}
	if data.Humidity != "55%" {
		t.Errorf("Humidity = %q, want %q", data.Humidity, "55%")
	}
	if data.Wind != "SW 10 mph" {
		t.Errorf("Wind = %q, want %q", data.Wind, "SW 10 mph")
	}

	if len(data.Forecast) != 2 {
		t.Fatalf("Forecast len = %d, want 2", len(data.Forecast))
	}
	if data.Forecast[0].Day != "Mon" {
		t.Errorf("Forecast[0].Day = %q, want %q", data.Forecast[0].Day, "Mon")
	}
	if data.Forecast[0].HighTemp != 80 {
		t.Errorf("Forecast[0].HighTemp = %v, want 80", data.Forecast[0].HighTemp)
	}
	if data.Forecast[1].Condition != "Rain" {
		t.Errorf("Forecast[1].Condition = %q, want %q", data.Forecast[1].Condition, "Rain")
	}
}

func TestGetWeather_MockBrowser(t *testing.T) {
	doc := makeWeatherDoc()

	browser := &extractortest.MockBrowser{
		Documents: map[string]*extractortest.MockDocument{
			"https://duckduckgo.com/?kp=-2&q=weather+new+york": doc,
		},
	}

	data, err := DefaultConfig.GetWeather(context.Background(), browser, "new york")
	if err != nil {
		t.Fatalf("GetWeather() error: %v", err)
	}

	if data.Location != "New York, NY" {
		t.Errorf("Location = %q, want %q", data.Location, "New York, NY")
	}
	if data.CurrentTemp != 72 {
		t.Errorf("CurrentTemp = %v, want 72", data.CurrentTemp)
	}
}

func TestExtractWeather_Empty(t *testing.T) {
	doc := &extractortest.MockDocument{
		MockNode: extractortest.MockNode{
			Children: map[string]extractor.Nodes{},
		},
	}

	data, err := extractWeather(doc)
	if err != nil {
		t.Fatalf("extractWeather() error: %v", err)
	}

	if data.Location != "" || data.CurrentTemp != 0 {
		t.Error("expected zero values for empty doc")
	}
}