package scraper_test

import (
	"encoding/json"
	"os"
	"testing"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"

	. "gitlab.com/offline-twitter/twitter_offline_engine/pkg/scraper"
)

func TestParseAPIUrlCard(t *testing.T) {
	assert := assert.New(t)
	data, err := os.ReadFile("test_responses/tweet_content/url_card.json")
	if err != nil {
		panic(err)
	}
	var apiCard APICard
	err = json.Unmarshal(data, &apiCard)
	require.NoError(t, err)

	url := ParseAPIUrlCard(apiCard)
	assert.Equal("reason.com", url.Domain)
	assert.Equal("L.A. Teachers Union Leader: 'There's No Such Thing As Learning Loss'", url.Title)
	assert.Equal("\"It’s OK that our babies may not have learned all their times tables,\" says Cecily Myart-Cruz. \"They learned "+
		"resilience.\"", url.Description)
	assert.Equal(600, url.ThumbnailWidth)
	assert.Equal(315, url.ThumbnailHeight)
	assert.Equal("https://pbs.twimg.com/card_img/1434998862305968129/odDi9EqO?format=jpg&name=600x600", url.ThumbnailRemoteUrl)
	assert.Equal("od/odDi9EqO_600x600.jpg", url.ThumbnailLocalPath)
	assert.Equal(UserID(155581583), url.CreatorID)
	assert.Equal(UserID(16467567), url.SiteID)
	assert.True(url.HasThumbnail)
	assert.False(url.IsContentDownloaded)
}

func TestParseAPIUrlCardWithPlayer(t *testing.T) {
	assert := assert.New(t)
	data, err := os.ReadFile("test_responses/tweet_content/url_card_with_player.json")
	if err != nil {
		panic(err)
	}
	var apiCard APICard
	err = json.Unmarshal(data, &apiCard)
	require.NoError(t, err)

	url := ParseAPIUrlCard(apiCard)
	assert.Equal("www.youtube.com", url.Domain)
	assert.Equal("The Politically Incorrect Guide to the Constitution (Starring Tom...", url.Title)
	assert.Equal("Watch this episode on LBRY/Odysee: https://odysee.com/@capitalresearch:5/the-politically-incorrect-guide-to-the:8"+
		"Watch this episode on Rumble: https://rumble...", url.Description)
	assert.Equal("https://pbs.twimg.com/card_img/1437849456423194639/_1t0btyt?format=jpg&name=800x320_1", url.ThumbnailRemoteUrl)
	assert.Equal("_1/_1t0btyt_800x320_1.jpg", url.ThumbnailLocalPath)
	assert.Equal(UserID(10228272), url.SiteID)
	assert.True(url.HasThumbnail)
	assert.False(url.IsContentDownloaded)
}

func TestParseAPIUrlCardWithPlayerAndPlaceholderThumbnail(t *testing.T) {
	assert := assert.New(t)
	data, err := os.ReadFile("test_responses/tweet_content/url_card_with_player_placeholder_image.json")
	if err != nil {
		panic(err)
	}
	var apiCard APICard
	err = json.Unmarshal(data, &apiCard)
	require.NoError(t, err)

	url := ParseAPIUrlCard(apiCard)
	assert.Equal("www.youtube.com", url.Domain)
	assert.Equal("Did Michael Malice Turn Me into an Anarchist? | Ep 181", url.Title)
	assert.Equal("SUBSCRIBE TO THE NEW SHOW W/ ELIJAH & SYDNEY: \"YOU ARE HERE\"YT: https://www.youtube.com/youareheredaily____________"+
		"__________________________________________...", url.Description)
	assert.Equal("https://pbs.twimg.com/cards/player-placeholder.png", url.ThumbnailRemoteUrl)
	assert.Equal("player-placeholder.png", url.ThumbnailLocalPath)
	assert.Equal(UserID(10228272), url.SiteID)
	assert.True(url.HasThumbnail)
	assert.False(url.IsContentDownloaded)
}

func TestParseAPIUrlCardWithoutThumbnail(t *testing.T) {
	assert := assert.New(t)
	data, err := os.ReadFile("test_responses/tweet_content/url_card_without_thumbnail.json")
	if err != nil {
		panic(err)
	}
	var apiCard APICard
	err = json.Unmarshal(data, &apiCard)
	require.NoError(t, err)

	url := ParseAPIUrlCard(apiCard)
	assert.Equal("en.m.wikipedia.org", url.Domain)
	assert.Equal("Entryism - Wikipedia", url.Title)
	assert.Equal("", url.Description)
	assert.True(url.HasCard)
	assert.False(url.HasThumbnail)
}

/**
 * Should check if a url is a tweet url, and if so, parse it
 */
func TestParseTweetUrl(t *testing.T) {
	assert := assert.New(t)

	// Test valid tweet url
	url := "https://twitter.com/kanesays23/status/1429583672827465730"
	handle, id, is_ok := TryParseTweetUrl(url)
	assert.True(is_ok)
	assert.Equal(UserHandle("kanesays23"), handle)
	assert.Equal(TweetID(1429583672827465730), id)

	// Test url with GET params
	handle, id, is_ok = TryParseTweetUrl("https://twitter.com/NerdNoticing/status/1263192389050654720?s=20")
	assert.True(is_ok)
	assert.Equal(UserHandle("NerdNoticing"), handle)
	assert.Equal(TweetID(1263192389050654720), id)

	// Test a `mobile.twitter.com` url
	handle, id, is_ok = TryParseTweetUrl("https://mobile.twitter.com/APhilosophae/status/1497720548540964864")
	assert.True(is_ok)
	assert.Equal(UserHandle("APhilosophae"), handle)
	assert.Equal(TweetID(1497720548540964864), id)

	// Test a `x.com` url
	handle, id, is_ok = TryParseTweetUrl("https://x.com/brutedeforce/status/1579695139425222657?s=46")
	assert.True(is_ok)
	assert.Equal(UserHandle("brutedeforce"), handle)
	assert.Equal(TweetID(1579695139425222657), id)

	// Test invalid url
	_, _, is_ok = TryParseTweetUrl("https://twitter.com/NerdNoticing/status/1263192389050654720s=20")
	assert.False(is_ok)

	// Test empty string
	_, _, is_ok = TryParseTweetUrl("")
	assert.False(is_ok)
}

/**
 * Should extract a user handle from a tweet URL, or fail if URL is invalid
 */
func TestParseHandleFromTweetUrl(t *testing.T) {
	assert := assert.New(t)

	// Test valid tweet url
	url := "https://twitter.com/kanesays23/status/1429583672827465730"
	result, err := ParseHandleFromTweetUrl(url)
	assert.NoError(err)
	assert.Equal(UserHandle("kanesays23"), result)

	// Test url with GET params
	result, err = ParseHandleFromTweetUrl("https://twitter.com/NerdNoticing/status/1263192389050654720?s=20")
	assert.NoError(err)
	assert.Equal(UserHandle("NerdNoticing"), result)

	// Test invalid url
	_, err = ParseHandleFromTweetUrl("https://twitter.com/NerdNoticing/status/1263192389050654720s=20")
	assert.Error(err)

	// Test empty string
	_, err = ParseHandleFromTweetUrl("")
	assert.Error(err)
}