package eu.kanade.tachiyomi.extension.ar.mangaswat

import android.app.Application
import android.content.SharedPreferences
import android.widget.Toast
import androidx.preference.PreferenceScreen
import eu.kanade.tachiyomi.extension.BuildConfig
import eu.kanade.tachiyomi.multisrc.mangathemesia.MangaThemesia
import eu.kanade.tachiyomi.network.interceptor.rateLimit
import eu.kanade.tachiyomi.source.model.Page
import kotlinx.serialization.Serializable
import kotlinx.serialization.decodeFromString
import okhttp3.Headers
import okhttp3.OkHttpClient
import org.jsoup.nodes.Document
import uy.kohesive.injekt.Injekt
import uy.kohesive.injekt.api.get
import java.text.SimpleDateFormat
import java.util.Locale

class MangaSwat : MangaThemesia(
    "MangaSwat",
    "https://swatmanga.me",
    "ar",
    dateFormat = SimpleDateFormat("yyyy-MM-dd", Locale.US),
) {
    private val defaultBaseUrl = "https://swatmanga.me"

    override val baseUrl by lazy { getPrefBaseUrl() }

    private val preferences: SharedPreferences by lazy {
        Injekt.get<Application>().getSharedPreferences("source_$id", 0x0000)
    }

    override val client: OkHttpClient = super.client.newBuilder()
        .rateLimit(1)
        .build()

    override fun headersBuilder(): Headers.Builder = super.headersBuilder()
        .add("Referer", "$baseUrl/")

    override val seriesArtistSelector = "span:contains(الناشر) i"
    override val seriesAuthorSelector = "span:contains(المؤلف) i"
    override val seriesGenreSelector = "span:contains(التصنيف) a, .mgen a"
    override val seriesTypeSelector = "span:contains(النوع) a"
    override val seriesStatusSelector = "span:contains(الحالة)"

    override fun pageListParse(document: Document): List<Page> {
        val scriptContent = document.selectFirst("script:containsData(ts_reader)")!!.data()
        val jsonString = scriptContent.substringAfter("ts_reader.run(").substringBefore(");")
        val tsReader = json.decodeFromString<TSReader>(jsonString)
        val imageUrls = tsReader.sources.firstOrNull()?.images ?: return emptyList()
        return imageUrls.mapIndexed { index, imageUrl -> Page(index, imageUrl = imageUrl) }
    }

    override fun chapterListSelector() = "div.bxcl li, ul div:has(span.lchx)"

    @Serializable
    data class TSReader(
        val sources: List<ReaderImageSource>,
    )

    @Serializable
    data class ReaderImageSource(
        val source: String,
        val images: List<String>,
    )

    companion object {
        private const val RESTART_TACHIYOMI = "Restart Tachiyomi to apply new setting."
        private const val BASE_URL_PREF_TITLE = "Override BaseUrl"
        private const val BASE_URL_PREF = "overrideBaseUrl_v${BuildConfig.VERSION_CODE}"
        private const val BASE_URL_PREF_SUMMARY = "For temporary uses. Updating the extension will erase this setting."
    }

    override fun setupPreferenceScreen(screen: PreferenceScreen) {
        val baseUrlPref = androidx.preference.EditTextPreference(screen.context).apply {
            key = BASE_URL_PREF
            title = BASE_URL_PREF_TITLE
            summary = BASE_URL_PREF_SUMMARY
            this.setDefaultValue(defaultBaseUrl)
            dialogTitle = BASE_URL_PREF_TITLE

            setOnPreferenceChangeListener { _, _ ->
                Toast.makeText(screen.context, RESTART_TACHIYOMI, Toast.LENGTH_LONG).show()
                true
            }
        }
        screen.addPreference(baseUrlPref)

        super.setupPreferenceScreen(screen)
    }

    private fun getPrefBaseUrl(): String = preferences.getString(BASE_URL_PREF, defaultBaseUrl)!!
}