Improve some parsers

build.gradle

@@ -58,19 +58,19 @@ afterEvaluate {
 }
 
 dependencies {
-	implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.10.1'
+	implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.10.2'
 	implementation 'com.squareup.okhttp3:okhttp:4.12.0'
-	implementation 'com.squareup.okio:okio:3.10.2'
-	api 'org.jsoup:jsoup:1.18.3'
+	implementation 'com.squareup.okio:okio:3.11.0'
+	api 'org.jsoup:jsoup:1.19.1'
 	implementation 'org.json:json:20240303'
-	implementation 'androidx.collection:collection:1.4.5'
+	implementation 'androidx.collection:collection:1.5.0'
 
 	ksp project(':kotatsu-parsers-ksp')
 
 	testImplementation 'org.junit.jupiter:junit-jupiter-api:5.10.1'
 	testImplementation 'org.junit.jupiter:junit-jupiter-engine:5.10.1'
 	testImplementation 'org.junit.jupiter:junit-jupiter-params:5.10.1'
-	testImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.10.1'
+	testImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.10.2'
 	testImplementation 'io.webfolder:quickjs:1.1.0'
 }
 

src/main/kotlin/org/koitharu/kotatsu/parsers/core/LegacyPagedMangaParser.kt

@@ -38,6 +38,11 @@ public abstract class LegacyPagedMangaParser(
 
 	public abstract suspend fun getListPage(page: Int, order: SortOrder, filter: MangaListFilter): List<Manga>
 
+	protected fun setFirstPage(firstPage: Int, firstPageForSearch: Int = firstPage) {
+		paginator.firstPage = firstPage
+		searchPaginator.firstPage = firstPageForSearch
+	}
+
 	private suspend fun getList(
 		paginator: Paginator,
 		offset: Int,

src/main/kotlin/org/koitharu/kotatsu/parsers/core/PagedMangaParser.kt

@@ -43,6 +43,11 @@ public abstract class PagedMangaParser(
 
 	public abstract suspend fun getListPage(query: MangaSearchQuery, page: Int): List<Manga>
 
+	protected fun setFirstPage(firstPage: Int, firstPageForSearch: Int = firstPage) {
+		paginator.firstPage = firstPage
+		searchPaginator.firstPage = firstPageForSearch
+	}
+
 	private suspend fun searchManga(
 		paginator: Paginator,
 		query: MangaSearchQuery,

src/main/kotlin/org/koitharu/kotatsu/parsers/model/MangaChapter.kt

@@ -47,7 +47,7 @@ public data class MangaChapter(
 		get() = title.ifNullOrEmpty {
 			buildString {
 				if (volume > 0) append("Vol ").append(volume).append(' ')
-				if (number > 0) append("Chapter ").append(number) else append("Unnamed")
+				if (number > 0) append("Chapter ").append(number.formatSimple()) else append("Unnamed")
 			}
 		}
 

src/main/kotlin/org/koitharu/kotatsu/parsers/site/en/BatCave.kt

@@ -1,7 +1,7 @@
 package org.koitharu.kotatsu.parsers.site.en
 
-import org.jsoup.nodes.Document
-import org.jsoup.nodes.Element
+import org.json.JSONObject
+import org.koitharu.kotatsu.parsers.Broken
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
 import org.koitharu.kotatsu.parsers.MangaSourceParser
 import org.koitharu.kotatsu.parsers.config.ConfigKey
@@ -9,14 +9,13 @@ import org.koitharu.kotatsu.parsers.core.LegacyPagedMangaParser
 import org.koitharu.kotatsu.parsers.exception.ParseException
 import org.koitharu.kotatsu.parsers.model.*
 import org.koitharu.kotatsu.parsers.util.*
+import org.koitharu.kotatsu.parsers.util.json.getFloatOrDefault
+import org.koitharu.kotatsu.parsers.util.json.getStringOrNull
 import org.koitharu.kotatsu.parsers.util.suspendlazy.getOrNull
 import org.koitharu.kotatsu.parsers.util.suspendlazy.suspendLazy
 import java.text.SimpleDateFormat
 import java.util.*
-import org.json.JSONObject
-import org.koitharu.kotatsu.parsers.Broken
 
-@Broken("Need fix tags in getDetails")
 @MangaSourceParser("BATCAVE", "BatCave", "en")
 internal class BatCave(context: MangaLoaderContext) :
 	LegacyPagedMangaParser(context, MangaParserSource.BATCAVE, 20) {
@@ -36,12 +35,11 @@ internal class BatCave(context: MangaLoaderContext) :
 		get() = MangaListFilterCapabilities(
 			isSearchSupported = true,
 			isMultipleTagsSupported = true,
-            isSearchWithFiltersSupported = false,
-            isYearRangeSupported = true
+			isYearRangeSupported = true,
 		)
 
 	override suspend fun getFilterOptions() = MangaListFilterOptions(
-		availableTags = availableTags.get()
+		availableTags = availableTags.get(),
 	)
 
 	override suspend fun getListPage(page: Int, order: SortOrder, filter: MangaListFilter): List<Manga> {
@@ -52,6 +50,7 @@ internal class BatCave(context: MangaLoaderContext) :
 				urlBuilder.append(filter.query.urlEncoded())
 				if (page > 1) urlBuilder.append("/page/$page/")
 			}
+
 			else -> {
 				urlBuilder.append("/ComicList")
 				if (filter.yearFrom != YEAR_UNKNOWN) {
@@ -65,20 +64,22 @@ internal class BatCave(context: MangaLoaderContext) :
 					urlBuilder.append(filter.tags.joinToString(",") { it.key })
 				}
 				urlBuilder.append("/sort")
-                if (page > 1) { urlBuilder.append("/page/$page/") }
+				if (page > 1) {
+					urlBuilder.append("/page/$page/")
+				}
 			}
 		}
 
 		val fullUrl = urlBuilder.toString().toAbsoluteUrl(domain)
 		val doc = webClient.httpGet(fullUrl).parseHtml()
 		return doc.select("div.readed.d-flex.short").map { item ->
-            val a = item.selectFirst("a.readed__img.img-fit-cover.anim")
-				?: throw ParseException("Link element not found!", fullUrl)
+			val a = item.selectFirstOrThrow("a.readed__img.img-fit-cover.anim")
+			val titleElement = item.selectFirstOrThrow("h2.readed__title a")
 			val img = item.selectFirst("img[data-src]")
-            val titleElement = item.selectFirst("h2.readed__title a")
+			val href = a.attrAsRelativeUrl("href")
 			Manga(
-                id = generateUid(a.attr("href")),
-                url = a.attr("href"),
+				id = generateUid(href),
+				url = href,
 				publicUrl = a.attr("href"),
 				title = titleElement.text(),
 				altTitles = emptySet(),
@@ -87,7 +88,7 @@ internal class BatCave(context: MangaLoaderContext) :
 				tags = emptySet(),
 				rating = RATING_UNKNOWN,
 				state = null,
-                coverUrl = img.attr("data-src")?.toAbsoluteUrl(domain),
+				coverUrl = img?.attrAsAbsoluteUrlOrNull("data-src"),
 				contentRating = if (isNsfwSource) ContentRating.ADULT else null,
 				source = source,
 			)
@@ -102,24 +103,22 @@ internal class BatCave(context: MangaLoaderContext) :
 		val scriptData = doc.selectFirst("script:containsData(__DATA__)")?.data()
 			?.substringAfter("window.__DATA__ = ")
 			?.substringBefore(";")
-            ?: throw ParseException("Script data not found", manga.url)
+			?: doc.parseFailed("Script data not found")
 
 		val jsonData = JSONObject(scriptData)
-        val newsId = jsonData.getInt("news_id")
+		val newsId = jsonData.getLong("news_id")
 		val chaptersJson = jsonData.getJSONArray("chapters")
 
-        val chapters = (0 until chaptersJson.length()).map { i ->
+		val chapters = List(chaptersJson.length()) { i ->
 			val chapter = chaptersJson.getJSONObject(i)
-            val chapterId = chapter.getInt("id")
+			val chapterId = chapter.getLong("id")
 
 			MangaChapter(
-                id = generateUid("/reader/$newsId/$chapterId"),
+				id = generateUid("$newsId/$chapterId"),
 				url = "/reader/$newsId/$chapterId",
-                number = chapter.getInt("posi").toFloat(),
-                title = chapter.getString("title"),
-                uploadDate = runCatching { 
-                    dateFormat.parse(chapter.getString("date"))?.time 
-                }.getOrNull() ?: 0L,
+				number = chapter.getFloatOrDefault("posi", 0f),
+				title = chapter.getStringOrNull("title"),
+				uploadDate = dateFormat.tryParse(chapter.getStringOrNull("date")),
 				source = source,
 				scanlator = null,
 				branch = null,
@@ -127,24 +126,36 @@ internal class BatCave(context: MangaLoaderContext) :
 			)
 		}
 
-		val author = doc.selectFirst("li:contains(Publisher:)")?.text()?.substringAfter("Publisher:")?.trim()
-		val state = when (doc.selectFirst("li:contains(Release type:)")?.text()?.substringAfter("Release type:")?.trim()) {
+		val author = doc.selectFirst("li:contains(Publisher:)")
+			?.textOrNull()
+			?.substringAfter("Publisher:")
+			?.trim()
+			?.nullIfEmpty()
+		val state = when (
+			doc.selectFirst("li:contains(Release type:)")?.text()?.substringAfter("Release type:")?.trim()
+		) {
 			"Ongoing" -> MangaState.ONGOING
 			else -> MangaState.FINISHED
 		}
 
-        val allTags = availableTags.get()
-        val tags = doc.select("div.page__tags.d-flex a").mapNotNullToSet { a ->
+		val tagLinks = doc.getElementsByAttributeValueContaining("href", "/genres/")
+		val tags = if (tagLinks.isNotEmpty()) {
+			availableTags.getOrNull()?.let { allTags ->
+				tagLinks.mapNotNullToSet { a ->
 					val tagName = a.text()
 					allTags.find { it.title.equals(tagName, ignoreCase = true) }
 				}
+			}
+		} else {
+			null
+		}
 
 		return manga.copy(
 			authors = setOfNotNull(author),
 			state = state,
 			chapters = chapters,
-            description = doc.select("div.page__text.full-text.clearfix").text(),
-            tags = tags
+			description = doc.select("div.page__text.full-text.clearfix").textOrNull(),
+			tags = tags ?: manga.tags,
 		)
 	}
 
@@ -165,15 +176,14 @@ internal class BatCave(context: MangaLoaderContext) :
 				id = generateUid(imageUrl),
 				url = imageUrl,
 				preview = null,
-				source = source
+				source = source,
 			)
 		}
 	}
 
 	private suspend fun fetchTags(): Set<MangaTag> {
 		val doc = webClient.httpGet("https://$domain/comix/").parseHtml()
-		val scriptData = doc.selectFirst("script:containsData(__XFILTER__)")?.data()
-			?: throw ParseException("Script data not found", "$domain/genres")
+		val scriptData = doc.selectFirstOrThrow("script:containsData(__XFILTER__)").data()
 
 		val genresJson = scriptData
 			.substringAfter("\"g\":{")
@@ -182,13 +192,13 @@ internal class BatCave(context: MangaLoaderContext) :
 		val genresObj = JSONObject("{$genresJson}")
 		val valuesArray = genresObj.getJSONArray("values")
 
-		return (0 until valuesArray.length()).map { i ->
+		return Set(valuesArray.length()) { i ->
 			val genre = valuesArray.getJSONObject(i)
 			MangaTag(
 				key = genre.getInt("id").toString(),
-				title = genre.getString("value"),
-				source = source
+				title = genre.getString("value").toTitleCase(sourceLocale),
+				source = source,
 			)
-		}.toSet()
+		}
 	}
 }

src/main/kotlin/org/koitharu/kotatsu/parsers/site/en/Hentalk.kt

@@ -1,17 +1,18 @@
 package org.koitharu.kotatsu.parsers.site.en
 
-import org.json.JSONArray
+import androidx.collection.ArraySet
+import androidx.collection.MutableIntList
+import androidx.collection.MutableIntObjectMap
 import org.json.JSONObject
 import org.jsoup.HttpStatusException
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
 import org.koitharu.kotatsu.parsers.MangaSourceParser
-import org.koitharu.kotatsu.parsers.model.*
+import org.koitharu.kotatsu.parsers.config.ConfigKey
 import org.koitharu.kotatsu.parsers.core.LegacyPagedMangaParser
 import org.koitharu.kotatsu.parsers.exception.ParseException
-import org.koitharu.kotatsu.parsers.config.ConfigKey
+import org.koitharu.kotatsu.parsers.model.*
 import org.koitharu.kotatsu.parsers.network.UserAgents
 import org.koitharu.kotatsu.parsers.util.*
-import org.koitharu.kotatsu.parsers.util.json.*
 import java.net.HttpURLConnection
 import java.text.SimpleDateFormat
 import java.util.*
@@ -53,12 +54,10 @@ internal class Hentalk(context: MangaLoaderContext) :
 			isSearchSupported = true,
 			isMultipleTagsSupported = true,
 			isSearchWithFiltersSupported = true,
-			isAuthorSearchSupported = true
+			isAuthorSearchSupported = true,
 		)
 
-    override suspend fun getFilterOptions(): MangaListFilterOptions {
-		return MangaListFilterOptions( availableTags = emptySet() ) // not found any URLs for it
-	}
+	override suspend fun getFilterOptions() = MangaListFilterOptions() // not found any URLs for it
 
 	override suspend fun getListPage(page: Int, order: SortOrder, filter: MangaListFilter): List<Manga> {
 		val url = buildString {
@@ -72,20 +71,20 @@ internal class Hentalk(context: MangaLoaderContext) :
 
 					if (!filter.author.isNullOrEmpty()) {
 						append("artist:\"${space2plus(filter.author)}\"")
-                        append("+")
+						append('+')
 					}
 
 					if (filter.tags.isNotEmpty()) {
 						filter.tags.forEach { tag ->
 							append("tag:\"${space2plus(tag.key)}\"")
-                            append("+")
+							append('+')
 						}
 					}
 
 					if (!filter.query.isNullOrEmpty()) {
 						append(space2plus(filter.query))
 					} else {
-                        append("+")
+						append('+')
 					}
 				}
 			}
@@ -115,28 +114,28 @@ internal class Hentalk(context: MangaLoaderContext) :
 			}
 		}
 
-        val mangaList = mutableListOf<Manga>()
-        val dataValues = mutableMapOf<Int, Any>()
-        
 		val dataArray = json.getJSONArray("nodes")
 			.optJSONObject(2)
 			?.optJSONArray("data")
 			?: return emptyList()
 
+		val dataValues = MutableIntObjectMap<Any>(dataArray.length())
 		for (i in 0 until dataArray.length()) {
 			dataValues[i] = dataArray.get(i)
 		}
 
-        val archiveH = mutableListOf<Int>()
+		val archiveH = MutableIntList(dataArray.length())
 		for (i in 0 until dataArray.length()) {
 			val item = dataArray.opt(i)
 			if (item is JSONObject && item.has("id") && item.has("hash") &&
-                item.has("title") && item.has("thumbnail") && item.has("tags")) {
+				item.has("title") && item.has("thumbnail") && item.has("tags")
+			) {
 				archiveH.add(i)
 			}
 		}
 
-        for (tempIndex in archiveH) {
+		val mangaList = ArrayList<Manga>()
+		archiveH.forEach { tempIndex ->
 			val temp = dataArray.getJSONObject(tempIndex)
 			val idRef = temp.getInt("id")
 			val hashRef = temp.getInt("hash")
@@ -151,7 +150,7 @@ internal class Hentalk(context: MangaLoaderContext) :
 			val idThumbnail = dataArray.getInt(thumbnailRef)
 
 			val tagsList = dataArray.optJSONArray(tagsRef)
-            val tags = mutableSetOf<MangaTag>()
+			val tags = ArraySet<MangaTag>()
 			var author: String? = null
 
 			if (tagsList != null) {
@@ -161,30 +160,35 @@ internal class Hentalk(context: MangaLoaderContext) :
 
 					if (dataValues.containsKey(tagRefIndex) &&
 						dataValues[tagRefIndex] is JSONObject &&
-                        (dataValues[tagRefIndex] as JSONObject).has("namespace")) {
+						(dataValues[tagRefIndex] as JSONObject).has("namespace")
+					) {
 
 						val nsObj = dataValues[tagRefIndex] as JSONObject
 						val nsIndex = nsObj.getInt("namespace")
 						val nameIndex = nsObj.getInt("name")
 
-                        val nsValue = if (dataValues.containsKey(nsIndex)) dataValues[nsIndex].toString() else ""
-                        val nameValue = if (dataValues.containsKey(nameIndex)) dataValues[nameIndex].toString() else ""
+						val nsValue = if (dataValues.containsKey(nsIndex)) dataValues[nsIndex].toString() else null
+						val nameValue =
+							if (dataValues.containsKey(nameIndex)) dataValues[nameIndex].toString() else null
 
 						if (nsValue == "artist") {
-                            author = nameValue
-                        } else if (nsValue == "tag") {
-                            tags.add(MangaTag(
+							author = nameValue?.nullIfEmpty()
+						} else if (nsValue == "tag" && nameValue != null) {
+							tags.add(
+								MangaTag(
 									key = nameValue,
 									title = nameValue,
-                                source = source
-                            ))
+									source = source,
+								),
+							)
 						}
 					}
 					i++
 				}
 			}
 
-            mangaList.add(Manga(
+			mangaList.add(
+				Manga(
 					id = generateUid(mangaId),
 					url = "/g/$mangaId/__data.json?x-sveltekit-invalidated=001",
 					publicUrl = "https://$domain/g/$mangaId",
@@ -199,7 +203,8 @@ internal class Hentalk(context: MangaLoaderContext) :
 					contentRating = ContentRating.ADULT,
 					source = source,
 					rating = RATING_UNKNOWN,
-            ))
+				),
+			)
 		}
 
 		return mangaList
@@ -207,12 +212,12 @@ internal class Hentalk(context: MangaLoaderContext) :
 
 	override suspend fun getDetails(manga: Manga): Manga {
 		val json = webClient.httpGet(manga.url.toAbsoluteUrl(domain)).parseJson()
-        val mangaId = manga.url.substringAfter("/g/").substringBefore("/")
+		val mangaId = manga.url.substringAfter("/g/").substringBefore('/')
 
 		val dataArray = json.getJSONArray("nodes")
 			.optJSONObject(2)
 			?.optJSONArray("data")
-            ?: return manga.copy()
+			?: return manga
 
 		var createdAt = ""
 
@@ -242,7 +247,7 @@ internal class Hentalk(context: MangaLoaderContext) :
 		)
 
 		return manga.copy(
-            chapters = listOf(chapter)
+			chapters = listOf(chapter),
 		)
 	}
 
@@ -292,7 +297,7 @@ internal class Hentalk(context: MangaLoaderContext) :
 			}
 		}
 
-        val imgList = mutableListOf<String>()
+		val imgList = ArrayList<String>(dataArray.length())
 		for (i in 0 until dataArray.length()) {
 			val item = dataArray.opt(i)
 			if (item is JSONObject && item.has("filename")) {
@@ -324,8 +329,5 @@ internal class Hentalk(context: MangaLoaderContext) :
 		}
 	}
 
-    private fun space2plus(input: String): String {
-        return input.replace(" ", "+")
-    }
-
+	private fun space2plus(input: String): String = input.replace(' ', '+')
 }

src/main/kotlin/org/koitharu/kotatsu/parsers/site/vi/MimiHentai.kt

@@ -1,18 +1,13 @@
 package org.koitharu.kotatsu.parsers.site.vi
 
 import org.json.JSONArray
-import org.json.JSONObject
-import kotlinx.coroutines.async
-import kotlinx.coroutines.coroutineScope
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
 import org.koitharu.kotatsu.parsers.MangaSourceParser
 import org.koitharu.kotatsu.parsers.config.ConfigKey
 import org.koitharu.kotatsu.parsers.core.LegacyPagedMangaParser
 import org.koitharu.kotatsu.parsers.model.*
-import org.koitharu.kotatsu.parsers.util.suspendlazy.suspendLazy
 import org.koitharu.kotatsu.parsers.util.*
 import org.koitharu.kotatsu.parsers.util.json.*
-import java.text.SimpleDateFormat
 import java.util.*
 
 @MangaSourceParser("MIMIHENTAI", "MimiHentai", "vi", type = ContentType.HENTAI)
@@ -24,21 +19,26 @@ internal class MimiHentai(context: MangaLoaderContext) :
 
 	override val availableSortOrders: Set<SortOrder> = EnumSet.of(SortOrder.UPDATED)
 
-    override suspend fun getFilterOptions() = MangaListFilterOptions(availableTags = fetchTags())
 	override val filterCapabilities: MangaListFilterCapabilities
 		get() = MangaListFilterCapabilities(
 			isSearchSupported = true,
 			isSearchWithFiltersSupported = true,
 			isMultipleTagsSupported = true,
-            isAuthorSearchSupported = true
+			isAuthorSearchSupported = true,
 		)
 
+	init {
+		setFirstPage(0)
+	}
+
+	override suspend fun getFilterOptions() = MangaListFilterOptions(availableTags = fetchTags())
+
 	override suspend fun getListPage(page: Int, order: SortOrder, filter: MangaListFilter): List<Manga> {
 		val url = buildString {
 			append("https://")
 			append(domain)
 			append("/$apiSuffix/advance-search?page=")
-            append(page - 1) // first page is 0, not 1
+			append(page)
 			append("&max=18") // page size, avoid rate limit
 			when {
 				!filter.query.isNullOrEmpty() -> {
@@ -63,13 +63,13 @@ internal class MimiHentai(context: MangaLoaderContext) :
 		return parseMangaList(data)
 	}
 
-    private suspend fun parseMangaList(data: JSONArray): List<Manga> {
+	private fun parseMangaList(data: JSONArray): List<Manga> {
 		return data.mapJSON { jo ->
 			val id = jo.getLong("id")
 			val title = jo.getString("title")
-            val description = jo.getString("description")
-            val authors = jo.getJSONArray("authors").asTypedList<String>().mapToSet { it }
-            val differentNames = jo.getJSONArray("differentNames").asTypedList<String>().mapToSet { it }
+			val description = jo.getStringOrNull("description")
+			val authors = jo.getJSONArray("authors").asTypedList<String>().toSet()
+			val differentNames = jo.getJSONArray("differentNames").asTypedList<String>().toSet()
 			val state = when (description) {
 				"Đang Tiến Hành" -> MangaState.ONGOING
 				"Hoàn Thành" -> MangaState.FINISHED
@@ -93,48 +93,48 @@ internal class MimiHentai(context: MangaLoaderContext) :
 		}
 	}
 
-    override suspend fun getDetails(manga: Manga): Manga = coroutineScope {
-        val url = "https://" + domain + manga.url
+	override suspend fun getDetails(manga: Manga): Manga {
+		val url = manga.url.toAbsoluteUrl(domain)
 		val json = webClient.httpGet(url).parseJson()
 
 		val relationInfo = json.getJSONObject("relationInfo")
-        val tags = relationInfo.getJSONArray("genres").mapJSON { jo ->
+		val tags = relationInfo.getJSONArray("genres").mapJSONToSet { jo ->
 			MangaTag(
-                title = jo.getString("name"),
+				title = jo.getString("name").toTitleCase(sourceLocale),
 				key = jo.getLong("id").toString(),
 				source = source,
 			)
-        }.toSet()
+		}
 
 		val basicInfo = json.getJSONObject("basicInfo")
 		val id = basicInfo.getLong("id")
-        val description = basicInfo.optString("fdescription").takeUnless { it.isNullOrEmpty() }
-        val uploaderName = json.getString("uploaderName")
+		val description = basicInfo.getStringOrNull("fdescription")
+		val uploaderName = json.getStringOrNull("uploaderName")
 		val urlChaps = "https://$domain/$apiSuffix/gallery/$id"
-        val parseUrlChaps = async { JSONArray(webClient.httpGet(urlChaps).parseHtml().text()) }
-        val chapters = parseUrlChaps.await().mapJSON { jo ->
+		val parsedChapters = webClient.httpGet(urlChaps).parseJsonArray()
+		val chapters = parsedChapters.mapJSON { jo ->
 			MangaChapter(
 				id = generateUid(jo.getLong("id")),
-                title = jo.getString("title"),
-                number = jo.getInt("number").toFloat(),
+				title = jo.getStringOrNull("title"),
+				number = jo.getFloatOrDefault("number", 0f),
 				url = "/$apiSuffix/chapter?id=${jo.getLong("id")}",
 				uploadDate = 0L,
 				source = source,
 				scanlator = uploaderName,
 				branch = null,
-                volume = 0
+				volume = 0,
 			)
 		}
 
-        manga.copy(
+		return manga.copy(
 			tags = tags,
 			description = description,
-            chapters = chapters
+			chapters = chapters,
 		)
 	}
 
 	override suspend fun getPages(chapter: MangaChapter): List<MangaPage> {
-        val json = webClient.httpGet("https://$domain${chapter.url}").parseJson()
+		val json = webClient.httpGet(chapter.url.toAbsoluteUrl(domain)).parseJson()
 		val imageUrls = json.getJSONArray("pages").asTypedList<String>()
 		return imageUrls.map { url ->
 			MangaPage(
@@ -148,13 +148,13 @@ internal class MimiHentai(context: MangaLoaderContext) :
 
 	private suspend fun fetchTags(): Set<MangaTag> {
 		val url = "https://$domain/$apiSuffix/genres"
-        val response = JSONArray(webClient.httpGet(url).parseHtml().text())
-        return response.mapJSON { jo ->
+		val response = webClient.httpGet(url).parseJsonArray()
+		return response.mapJSONToSet { jo ->
 			MangaTag(
-                title = jo.getString("name"),
+				title = jo.getString("name").toTitleCase(sourceLocale),
 				key = jo.getLong("id").toString(),
 				source = source,
 			)
-        }.toSet()
+		}
 	}
 }

src/test/kotlin/org/koitharu/kotatsu/parsers/MangaParserTest.kt

@@ -154,7 +154,7 @@ internal class MangaParserTest {
 		val parser = context.newParserInstance(source)
 		val list = parser.getList(MangaSearchQuery.EMPTY)
 
-		val manga = list[0]
+		val manga = list.random()
 		parser.getDetails(manga).apply {
 			assert(!chapters.isNullOrEmpty()) { "Chapters are null or empty" }
 			assert(publicUrl.isUrlAbsolute()) { "Manga public url is not absolute: '$publicUrl'" }