Dantotsu/app/src/main/java/ani/dantotsu/parsers/OfflineNovelParser.kt

package ani.dantotsu.parsers

import android.app.Application
import android.os.Environment
import ani.dantotsu.currContext
import ani.dantotsu.download.DownloadsManager
import ani.dantotsu.download.DownloadsManager.Companion.getSubDirectory
import ani.dantotsu.media.MediaNameAdapter
import ani.dantotsu.media.MediaType
import me.xdrop.fuzzywuzzy.FuzzySearch
import uy.kohesive.injekt.Injekt
import uy.kohesive.injekt.api.get
import java.io.File

class OfflineNovelParser : NovelParser() {
    private val downloadManager = Injekt.get<DownloadsManager>()
    private val context = Injekt.get<Application>()

    override val hostUrl: String = "Offline"
    override val name: String = "Offline"
    override val saveName: String = "Offline"

    override val volumeRegex =
        Regex("vol\\.? (\\d+(\\.\\d+)?)|volume (\\d+(\\.\\d+)?)", RegexOption.IGNORE_CASE)

    override suspend fun loadBook(link: String, extra: Map<String, String>?): Book {
        //link should be a directory
        val directory = getSubDirectory(context, MediaType.NOVEL, false, link)
        val chapters = mutableListOf<Book>()
        if (directory?.exists() == true) {
            directory.listFiles().forEach {
                if (it.isDirectory) {
                    val chapter = Book(
                        it.name?:"Unknown",
                        it.uri.toString(),
                        null,
                        listOf(it.uri.toString())
                    )
                    chapters.add(chapter)
                }
            }
            chapters.sortBy { MediaNameAdapter.findChapterNumber(it.name) }
            return chapters.first()
        }
        return Book(
            "error",
            "",
            null,
            listOf("error")
        )
    }

    override suspend fun search(query: String): List<ShowResponse> {
        val titles = downloadManager.novelDownloadedTypes.map { it.title }.distinct()
        val returnTitles: MutableList<String> = mutableListOf()
        for (title in titles) {
            if (FuzzySearch.ratio(title.lowercase(), query.lowercase()) > 80) {
                returnTitles.add(title)
            }
        }
        val returnList: MutableList<ShowResponse> = mutableListOf()
        for (title in returnTitles) {
            //need to search the subdirectories for the ShowResponses
            val directory = getSubDirectory(context, MediaType.NOVEL, false, title)
            val names = mutableListOf<String>()
            if (directory?.exists() == true) {
                directory.listFiles().forEach {
                    if (it.isDirectory) {
                        names.add(it.name?: "Unknown")
                    }
                }
            }
            val cover = directory?.findFile("cover.jpg")?.uri.toString()
            names.forEach {
                returnList.add(ShowResponse(it, it, cover))
            }
        }
        return returnList
    }

}