package eu.kanade.tachiyomi.di

import android.app.Application
import android.os.Build
import androidx.core.content.ContextCompat
import androidx.sqlite.db.SupportSQLiteDatabase
import androidx.sqlite.db.framework.FrameworkSQLiteOpenHelperFactory
import app.cash.sqldelight.db.SqlDriver
import app.cash.sqldelight.driver.android.AndroidSqliteDriver
import eu.kanade.domain.track.store.DelayedTrackingStore
import eu.kanade.tachiyomi.BuildConfig
import eu.kanade.tachiyomi.data.cache.ChapterCache
import eu.kanade.tachiyomi.data.cache.CoverCache
import eu.kanade.tachiyomi.data.download.DownloadCache
import eu.kanade.tachiyomi.data.download.DownloadManager
import eu.kanade.tachiyomi.data.download.DownloadProvider
import eu.kanade.tachiyomi.data.saver.ImageSaver
import eu.kanade.tachiyomi.data.track.TrackerManager
import eu.kanade.tachiyomi.extension.ExtensionManager
import eu.kanade.tachiyomi.network.JavaScriptEngine
import eu.kanade.tachiyomi.network.NetworkHelper
import eu.kanade.tachiyomi.source.AndroidSourceManager
import io.requery.android.database.sqlite.RequerySQLiteOpenHelperFactory
import kotlinx.serialization.json.Json
import nl.adaptivity.xmlutil.XmlDeclMode
import nl.adaptivity.xmlutil.core.XmlVersion
import nl.adaptivity.xmlutil.serialization.XML
import tachiyomi.core.storage.AndroidStorageFolderProvider
import tachiyomi.data.AndroidDatabaseHandler
import tachiyomi.data.Database
import tachiyomi.data.DatabaseHandler
import tachiyomi.data.DateColumnAdapter
import tachiyomi.data.History
import tachiyomi.data.Mangas
import tachiyomi.data.StringListColumnAdapter
import tachiyomi.data.UpdateStrategyColumnAdapter
import tachiyomi.domain.source.service.SourceManager
import tachiyomi.domain.storage.service.StorageManager
import tachiyomi.source.local.image.LocalCoverManager
import tachiyomi.source.local.io.LocalSourceFileSystem
import uy.kohesive.injekt.api.InjektModule
import uy.kohesive.injekt.api.InjektRegistrar
import uy.kohesive.injekt.api.addSingleton
import uy.kohesive.injekt.api.addSingletonFactory
import uy.kohesive.injekt.api.get

class AppModule(val app: Application) : InjektModule {

    override fun InjektRegistrar.registerInjectables() {
        addSingleton(app)

        addSingletonFactory<SqlDriver> {
            AndroidSqliteDriver(
                schema = Database.Schema,
                context = app,
                name = "tachiyomi.db",
                factory = if (BuildConfig.DEBUG && Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
                    // Support database inspector in Android Studio
                    FrameworkSQLiteOpenHelperFactory()
                } else {
                    RequerySQLiteOpenHelperFactory()
                },
                callback = object : AndroidSqliteDriver.Callback(Database.Schema) {
                    override fun onOpen(db: SupportSQLiteDatabase) {
                        super.onOpen(db)
                        setPragma(db, "foreign_keys = ON")
                        setPragma(db, "journal_mode = WAL")
                        setPragma(db, "synchronous = NORMAL")
                    }
                    private fun setPragma(db: SupportSQLiteDatabase, pragma: String) {
                        val cursor = db.query("PRAGMA $pragma")
                        cursor.moveToFirst()
                        cursor.close()
                    }
                },
            )
        }
        addSingletonFactory {
            Database(
                driver = get(),
                historyAdapter = History.Adapter(
                    last_readAdapter = DateColumnAdapter,
                ),
                mangasAdapter = Mangas.Adapter(
                    genreAdapter = StringListColumnAdapter,
                    update_strategyAdapter = UpdateStrategyColumnAdapter,
                ),
            )
        }
        addSingletonFactory<DatabaseHandler> { AndroidDatabaseHandler(get(), get()) }

        addSingletonFactory {
            Json {
                ignoreUnknownKeys = true
                explicitNulls = false
            }
        }
        addSingletonFactory {
            XML {
                defaultPolicy {
                    ignoreUnknownChildren()
                }
                autoPolymorphic = true
                xmlDeclMode = XmlDeclMode.Charset
                indent = 2
                xmlVersion = XmlVersion.XML10
            }
        }

        addSingletonFactory { ChapterCache(app) }
        addSingletonFactory { CoverCache(app) }

        addSingletonFactory { NetworkHelper(app, get()) }
        addSingletonFactory { JavaScriptEngine(app) }

        addSingletonFactory<SourceManager> { AndroidSourceManager(app, get(), get()) }
        addSingletonFactory { ExtensionManager(app) }

        addSingletonFactory { DownloadProvider(app) }
        addSingletonFactory { DownloadManager(app) }
        addSingletonFactory { DownloadCache(app) }

        addSingletonFactory { TrackerManager() }
        addSingletonFactory { DelayedTrackingStore(app) }

        addSingletonFactory { ImageSaver(app) }

        addSingletonFactory { AndroidStorageFolderProvider(app) }
        addSingletonFactory { LocalSourceFileSystem(get()) }
        addSingletonFactory { LocalCoverManager(app, get()) }
        addSingletonFactory { StorageManager(app, get()) }

        // Asynchronously init expensive components for a faster cold start
        ContextCompat.getMainExecutor(app).execute {
            get<NetworkHelper>()

            get<SourceManager>()

            get<Database>()

            get<DownloadManager>()
        }
    }
}
