EhViewer/app/src/main/java/com/hippo/ehviewer/EhApplication.kt

/*
 * Copyright 2016 Hippo Seven
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.hippo.ehviewer

import android.app.Application
import android.content.ComponentCallbacks2
import androidx.appcompat.app.AppCompatDelegate
import androidx.collection.LruCache
import androidx.lifecycle.ProcessLifecycleOwner
import coil.ImageLoaderFactory
import coil.decode.ImageDecoderDecoder
import coil.util.DebugLogger
import com.hippo.ehviewer.client.EhCookieStore
import com.hippo.ehviewer.client.EhDns
import com.hippo.ehviewer.client.EhSSLSocketFactory
import com.hippo.ehviewer.client.EhTagDatabase
import com.hippo.ehviewer.client.data.GalleryDetail
import com.hippo.ehviewer.client.install
import com.hippo.ehviewer.coil.MergeInterceptor
import com.hippo.ehviewer.coil.diskCache
import com.hippo.ehviewer.coil.imageLoader
import com.hippo.ehviewer.dailycheck.checkDawn
import com.hippo.ehviewer.dao.EhDatabase
import com.hippo.ehviewer.download.DownloadManager
import com.hippo.ehviewer.legacy.cleanObsoleteCache
import com.hippo.ehviewer.okhttp.cache
import com.hippo.ehviewer.okhttp.httpClient
import com.hippo.ehviewer.ui.keepNoMediaFileStatus
import com.hippo.ehviewer.ui.lockObserver
import com.hippo.ehviewer.util.ReadableTime
import com.hippo.ehviewer.yorozuya.FileUtils
import eu.kanade.tachiyomi.core.preference.AndroidPreferenceStore
import eu.kanade.tachiyomi.ui.reader.setting.ReaderPreferences
import eu.kanade.tachiyomi.util.lang.launchIO
import kotlinx.coroutines.DelicateCoroutinesApi
import okio.Path.Companion.toOkioPath
import splitties.arch.room.roomDb
import splitties.init.appCtx
import java.net.Proxy

class EhApplication : Application(), ImageLoaderFactory {
    @OptIn(DelicateCoroutinesApi::class)
    override fun onCreate() {
        ProcessLifecycleOwner.get().lifecycle.addObserver(lockObserver)
        val handler = Thread.getDefaultUncaughtExceptionHandler()
        Thread.setDefaultUncaughtExceptionHandler { t, e ->
            try {
                if (Settings.saveCrashLog) {
                    Crash.saveCrashLog(e)
                }
            } catch (ignored: Throwable) {
            }
            handler?.uncaughtException(t, e)
        }
        super.onCreate()
        System.loadLibrary("ehviewer")
        Settings.initialize()
        ReadableTime.initialize(this)
        AppConfig.initialize(this)
        AppCompatDelegate.setDefaultNightMode(Settings.theme)
        launchIO {
            launchIO {
                EhTagDatabase.update()
            }
            launchIO {
                ehDatabase
            }
            launchIO {
                DownloadManager.isIdle
            }
            launchIO {
                cleanupDownload()
            }
            if (Settings.requestNews) {
                launchIO {
                    checkDawn()
                }
            }
        }
        cleanObsoleteCache(this)
    }

    private suspend fun cleanupDownload() {
        runCatching {
            keepNoMediaFileStatus()
        }.onFailure {
            it.printStackTrace()
        }
        runCatching {
            clearTempDir()
        }.onFailure {
            it.printStackTrace()
        }
    }

    private fun clearTempDir() {
        var dir = AppConfig.getTempDir()
        if (null != dir) {
            FileUtils.deleteContent(dir)
        }
        dir = AppConfig.getExternalTempDir()
        if (null != dir) {
            FileUtils.deleteContent(dir)
        }
    }

    override fun onTrimMemory(level: Int) {
        super.onTrimMemory(level)
        if (level >= ComponentCallbacks2.TRIM_MEMORY_RUNNING_LOW) {
            galleryDetailCache.evictAll()
        }
    }

    override fun newImageLoader() = imageLoader {
        okHttpClient(nonCacheOkHttpClient)
        components {
            add { result, options, _ -> ImageDecoderDecoder(result.source, options, false) }
            add(MergeInterceptor)
        }
        diskCache(imageCache)
        crossfade(300)
        error(R.drawable.image_failed)
        if (BuildConfig.DEBUG) logger(DebugLogger())
    }

    companion object {
        val nonCacheOkHttpClient by lazy {
            httpClient {
                cookieJar(EhCookieStore)
                dns(EhDns)
                proxySelector(EhProxySelector)
                if (Settings.dF) {
                    install(EhSSLSocketFactory)
                    proxy(Proxy.NO_PROXY)
                }
            }
        }

        // Never use this okhttp client to download large blobs!!!
        val okHttpClient by lazy {
            httpClient(nonCacheOkHttpClient) {
                cache(
                    appCtx.cacheDir.toOkioPath() / "http_cache",
                    20L * 1024L * 1024L,
                )
            }
        }

        val galleryDetailCache by lazy {
            LruCache<Long, GalleryDetail>(25).also {
                FavouriteStatusRouter.addListener { gid, slot ->
                    it[gid]?.favoriteSlot = slot
                }
            }
        }

        val readerPreferences by lazy { ReaderPreferences(AndroidPreferenceStore(appCtx)) }

        val ehDatabase by lazy { roomDb<EhDatabase>("eh.db") { allowMainThreadQueries() } }

        val imageCache by lazy {
            diskCache {
                directory(appCtx.cacheDir.toOkioPath() / "image_cache")
                maxSizeBytes(Settings.readCacheSize.coerceIn(320, 5120).toLong() * 1024 * 1024)
            }
        }
    }
}