@file:Suppress("UnusedImport")

package world.respect

import android.content.Context
import androidx.room.Room
import androidx.sqlite.driver.bundled.BundledSQLiteDriver
import com.russhwolf.settings.Settings
import com.russhwolf.settings.SharedPreferencesSettings
import com.ustadmobile.core.domain.storage.GetOfflineStorageOptionsUseCase
import com.ustadmobile.libcache.CachePathsProvider
import com.ustadmobile.libcache.UstadCache
import com.ustadmobile.libcache.UstadCacheBuilder
import com.ustadmobile.libcache.db.ClearNeighborsCallback
import com.ustadmobile.libcache.db.UstadCacheDb
import com.ustadmobile.libcache.logging.NapierLoggingAdapter
import com.ustadmobile.libcache.okhttp.UstadCacheInterceptor
import com.ustadmobile.libcache.webview.OkHttpWebViewClient
import io.ktor.client.HttpClient
import io.ktor.client.engine.okhttp.OkHttp
import io.ktor.client.plugins.contentnegotiation.ContentNegotiation
import io.ktor.http.Url
import io.ktor.serialization.kotlinx.json.json
import kotlinx.io.files.Path
import kotlinx.serialization.json.Json
import okhttp3.Dispatcher
import okhttp3.OkHttpClient
import org.koin.android.ext.koin.androidContext
import org.koin.core.module.dsl.viewModelOf
import org.koin.core.qualifier.named
import org.koin.dsl.module
import world.respect.credentials.passkey.CreatePasskeyUseCase
import world.respect.credentials.passkey.CreatePasskeyUseCaseImpl
import passkey.EncodeUserHandleUseCaseImpl
import world.respect.credentials.passkey.GetCredentialUseCase
import world.respect.credentials.passkey.GetCredentialUseCaseImpl
import world.respect.credentials.passkey.request.CreatePublicKeyCredentialCreationOptionsJsonUseCase
import world.respect.credentials.passkey.request.CreatePublicKeyCredentialRequestOptionsJsonUseCase
import world.respect.credentials.passkey.request.EncodeUserHandleUseCase
import world.respect.datalayer.db.RespectAppDataSourceDb
import world.respect.datalayer.db.RespectAppDatabase
import world.respect.datalayer.http.RespectAppDataSourceHttp
import world.respect.datalayer.repository.RespectAppDataSourceRepository
import world.respect.lib.primarykeygen.PrimaryKeyGenerator
import world.respect.libxxhash.XXStringHasher
import world.respect.libxxhash.jvmimpl.XXStringHasherCommonJvm
import world.respect.shared.domain.account.RespectAccountManager
import world.respect.shared.domain.account.createinviteredeemrequest.RespectRedeemInviteRequestUseCase
import world.respect.shared.domain.account.invite.GetInviteInfoUseCase
import world.respect.shared.domain.account.invite.SubmitRedeemInviteRequestUseCase
import world.respect.shared.domain.account.signup.SignupUseCase
import world.respect.shared.domain.launchapp.LaunchAppUseCase
import world.respect.shared.domain.launchapp.LaunchAppUseCaseAndroid
import world.respect.shared.domain.mock.MockGetInviteInfoUseCase
import world.respect.shared.domain.mock.MockSubmitRedeemInviteRequestUseCase
import world.respect.shared.domain.storage.CachePathsProviderAndroid
import world.respect.shared.domain.storage.GetAndroidSdCardDirUseCase
import world.respect.shared.domain.storage.GetOfflineStorageOptionsUseCaseAndroid
import world.respect.shared.domain.storage.GetOfflineStorageSettingUseCase
import world.respect.shared.viewmodel.acknowledgement.AcknowledgementViewModel
import world.respect.shared.viewmodel.apps.detail.AppsDetailViewModel
import world.respect.shared.viewmodel.apps.enterlink.EnterLinkViewModel
import world.respect.shared.viewmodel.apps.launcher.AppLauncherViewModel
import world.respect.shared.viewmodel.apps.list.AppListViewModel
import world.respect.shared.viewmodel.assignments.AssignmentViewModel
import world.respect.shared.viewmodel.clazz.ClazzViewModel
import world.respect.shared.viewmodel.learningunit.detail.LearningUnitDetailViewModel
import world.respect.shared.viewmodel.learningunit.list.LearningUnitListViewModel
import world.respect.shared.viewmodel.manageuser.confirmation.ConfirmationViewModel
import world.respect.shared.viewmodel.manageuser.enterpasswordsignup.EnterPasswordSignupViewModel
import world.respect.shared.viewmodel.manageuser.getstarted.GetStartedViewModel
import world.respect.shared.viewmodel.manageuser.howpasskeywork.HowPasskeyWorksViewModel
import world.respect.shared.viewmodel.manageuser.joinclazzwithcode.JoinClazzWithCodeViewModel
import world.respect.shared.viewmodel.manageuser.login.LoginViewModel
import world.respect.shared.viewmodel.manageuser.otheroption.OtherOptionsViewModel
import world.respect.shared.viewmodel.manageuser.otheroptionsignup.OtherOptionsSignupViewModel
import world.respect.shared.viewmodel.manageuser.profile.SignupViewModel
import world.respect.shared.viewmodel.manageuser.signup.CreateAccountViewModel
import world.respect.shared.viewmodel.manageuser.termsandcondition.TermsAndConditionViewModel
import world.respect.shared.viewmodel.manageuser.waitingforapproval.WaitingForApprovalViewModel
import world.respect.shared.viewmodel.report.ReportViewModel
import java.io.File
import org.koin.core.scope.Scope
import world.respect.datalayer.respect.model.SchoolDirectoryEntry
import world.respect.shared.domain.account.RespectAccount
import world.respect.datalayer.AuthTokenProvider
import world.respect.datalayer.RespectAppDataSource
import world.respect.datalayer.SchoolDataSource
import world.respect.datalayer.db.SchoolDataSourceDb
import world.respect.datalayer.db.RespectSchoolDatabase
import world.respect.libutil.ext.sanitizedForFilename
import world.respect.shared.domain.account.gettokenanduser.GetTokenAndUserProfileWithUsernameAndPasswordUseCase
import world.respect.shared.domain.account.gettokenanduser.GetTokenAndUserProfileWithUsernameAndPasswordUseCaseClient
import world.respect.shared.domain.account.RespectTokenManager
import world.respect.shared.domain.school.SchoolPrimaryKeyGenerator
import world.respect.shared.domain.school.RespectSchoolPath
import world.respect.shared.navigation.NavResultReturner
import world.respect.shared.navigation.NavResultReturnerImpl
import world.respect.shared.viewmodel.manageuser.accountlist.AccountListViewModel
import world.respect.shared.viewmodel.person.detail.PersonDetailViewModel
import world.respect.shared.viewmodel.person.edit.PersonEditViewModel
import world.respect.shared.viewmodel.person.list.PersonListViewModel
import org.koin.core.qualifier.named
import world.respect.shared.domain.report.formatter.CreateGraphFormatterUseCase
import world.respect.shared.domain.report.query.MockRunReportUseCaseClientImpl
import world.respect.shared.domain.report.query.RunReportUseCase
import world.respect.shared.viewmodel.report.detail.ReportDetailViewModel
import world.respect.shared.viewmodel.report.edit.ReportEditViewModel
import world.respect.shared.viewmodel.report.filteredit.ReportFilterEditViewModel
import world.respect.shared.viewmodel.report.indictor.detail.IndicatorDetailViewModel
import world.respect.shared.viewmodel.report.indictor.edit.IndicatorEditViewModel
import world.respect.shared.viewmodel.report.indictor.list.IndicatorListViewModel
import world.respect.shared.viewmodel.report.list.ReportListViewModel
import world.respect.shared.viewmodel.report.list.ReportTemplateListViewModel


@Suppress("unused")
const val DEFAULT_COMPATIBLE_APP_LIST_URL = "https://respect.world/respect-ds/manifestlist.json"

const val SHARED_PREF_SETTINGS_NAME = "respect_settings"
const val TAG_TMP_DIR = "tmpDir"

val appKoinModule = module {
    single<Json> {
        Json {
            encodeDefaults = false
            ignoreUnknownKeys = true
        }
    }

    single<XXStringHasher> {
        XXStringHasherCommonJvm()
    }

    single<OkHttpClient> {
        val cachePathProvider: CachePathsProvider = get()

        OkHttpClient.Builder()
            .dispatcher(
                Dispatcher().also {
                    it.maxRequests = 30
                    it.maxRequestsPerHost = 10
                }
            )
            .addInterceptor(
                UstadCacheInterceptor(
                    cache = get(),
                    tmpDirProvider = { File(cachePathProvider().tmpWorkPath.toString()) },
                    logger = NapierLoggingAdapter(),
                    json = get(),
                )
            )
            .build()
    }

    single<HttpClient> {
        HttpClient(OkHttp) {
            install(ContentNegotiation) {
                json(json = get())
            }
            engine {
                preconfigured = get()
            }
        }
    }

    single<LaunchAppUseCase> {
        LaunchAppUseCaseAndroid(
            appContext = androidContext().applicationContext
        )
    }

    viewModelOf(::AppsDetailViewModel)
    viewModelOf(::AppLauncherViewModel)
    viewModelOf(::EnterLinkViewModel)
    viewModelOf(::AppListViewModel)
    viewModelOf(::AssignmentViewModel)
    viewModelOf(::ClazzViewModel)
    viewModelOf(::LearningUnitListViewModel)
    viewModelOf(::LearningUnitDetailViewModel)
    viewModelOf(::ReportViewModel)
    viewModelOf(::AcknowledgementViewModel)
    viewModelOf(::JoinClazzWithCodeViewModel)
    viewModelOf(::LoginViewModel)
    viewModelOf(::ConfirmationViewModel)
    viewModelOf(::SignupViewModel)
    viewModelOf(::TermsAndConditionViewModel)
    viewModelOf(::WaitingForApprovalViewModel)
    viewModelOf(::CreateAccountViewModel)
    viewModelOf(::GetStartedViewModel)
    viewModelOf(::HowPasskeyWorksViewModel)
    viewModelOf(::OtherOptionsViewModel)
    viewModelOf(::OtherOptionsSignupViewModel)
    viewModelOf(::EnterPasswordSignupViewModel)
    viewModelOf(::AccountListViewModel)
    viewModelOf(::PersonListViewModel)
    viewModelOf(::PersonEditViewModel)
    viewModelOf(::PersonDetailViewModel)
    viewModelOf(::ReportDetailViewModel)
    viewModelOf(::ReportEditViewModel)
    viewModelOf(::ReportListViewModel)
    viewModelOf(::ReportTemplateListViewModel)
    viewModelOf(::IndicatorEditViewModel)
    viewModelOf(::ReportFilterEditViewModel)
    viewModelOf(::IndicatorListViewModel)
    viewModelOf(::IndicatorDetailViewModel)


    single<GetOfflineStorageOptionsUseCase> {
        GetOfflineStorageOptionsUseCaseAndroid(
            getAndroidSdCardDirUseCase = get()
        )
    }

    single<GetAndroidSdCardDirUseCase> {
        GetAndroidSdCardDirUseCase(
            appContext = androidContext().applicationContext
        )
    }

    single<GetOfflineStorageSettingUseCase> {
        GetOfflineStorageSettingUseCase(
            getOfflineStorageOptionsUseCase = get(),
            settings = get(),
        )
    }

    single<CachePathsProvider> {
        CachePathsProviderAndroid(
            appContext = androidContext().applicationContext,
            getAndroidSdCardPathUseCase = get(),
            getOfflineStorageSettingUseCase = get(),
        )
    }

    single<Settings> {
        SharedPreferencesSettings(
            delegate = androidContext().getSharedPreferences(
                SHARED_PREF_SETTINGS_NAME,
                Context.MODE_PRIVATE
            )
        )
    }

    single<UstadCacheDb> {
        Room.databaseBuilder(
            androidContext().applicationContext,
            UstadCacheDb::class.java,
            UstadCacheBuilder.DEFAULT_DB_NAME
        ).addCallback(ClearNeighborsCallback())
            .build()
    }

    single<UstadCache> {
        UstadCacheBuilder(
            appContext = androidContext().applicationContext,
            storagePath = Path(
                File(androidContext().filesDir, "httpfiles").absolutePath
            ),
            sizeLimit = { 100_000_000L },
            db = get(),
        ).build()
    }

    single<OkHttpWebViewClient> {
        OkHttpWebViewClient(
            okHttpClient = get()
        )
    }
    single(named(TAG_TMP_DIR)) {
        File(androidContext().applicationContext.cacheDir, "tmp").apply { mkdirs() }
    }

    single<RespectAccountManager> {
        RespectAccountManager(
            settings = get(),
            json = get(),
            tokenManager = get(),
            httpClient = get(),
        )
    }

    single<RespectTokenManager> {
        RespectTokenManager(
            settings = get(),
            json = get(),
        )
    }

    single<SignupUseCase> {
        SignupUseCase()
    }
    single<EncodeUserHandleUseCase> {
        EncodeUserHandleUseCaseImpl()
    }


    single {
        CreatePublicKeyCredentialCreationOptionsJsonUseCase(
            rpId = Url("https://testproxy.devserver3.ustadmobile.com/"),
            encodeUserHandleUseCase = get()
        )
    }
    single {
        RespectRedeemInviteRequestUseCase()
    }
    single {
        CreatePublicKeyCredentialRequestOptionsJsonUseCase(
            url = Url("https://testproxy.devserver3.ustadmobile.com/")
        )
    }

    single<CreatePasskeyUseCase> {
        CreatePasskeyUseCaseImpl(
            context = androidContext().applicationContext,
            json = get(),
            createPublicKeyJsonUseCase = get()
        )
    }

    single<GetCredentialUseCase> {
        GetCredentialUseCaseImpl(
            context = androidContext().applicationContext,
            json = get(),
            createPublicKeyCredentialRequestOptionsJsonUseCase = get()
        )
    }

    //Uncomment to switch to using real datasource
    single<GetInviteInfoUseCase> {
        MockGetInviteInfoUseCase()
    }
    single<SubmitRedeemInviteRequestUseCase> {
        MockSubmitRedeemInviteRequestUseCase()
    }

    single<RespectAppDataSource> {
        val appContext = androidContext().applicationContext

        RespectAppDataSourceRepository(
            local = RespectAppDataSourceDb(
                respectAppDatabase = Room.databaseBuilder<RespectAppDatabase>(
                    appContext, appContext.getDatabasePath("respect.db").absolutePath
                ).setDriver(BundledSQLiteDriver())
                    .build(),
                json = get(),
                xxStringHasher = get(),
                primaryKeyGenerator = PrimaryKeyGenerator(RespectAppDatabase.TABLE_IDS),
            ),
            remote = RespectAppDataSourceHttp(
                httpClient = get(),
                defaultCompatibleAppListUrl = DEFAULT_COMPATIBLE_APP_LIST_URL,
            )
        )
    }

    single<NavResultReturner> {
        NavResultReturnerImpl()
    }

    /**
     * The SchoolDirectoryEntry scope might be one instance per school url or one instance per account
     * per url.
     *
     * If the upstream server provides a list of grants/permission rules then the school database
     * can be shared; and scopeId
     */
    scope<SchoolDirectoryEntry> {

        fun Scope.scopeUrl(): Url {
            val atIndex = id.lastIndexOf("@")
            return if(atIndex < 0) {
                Url(id)
            }else {
                Url(id.substring(atIndex + 1))
            }
        }


        scoped<GetTokenAndUserProfileWithUsernameAndPasswordUseCase> {
            GetTokenAndUserProfileWithUsernameAndPasswordUseCaseClient(
                schoolUrl = scopeUrl(),
                httpClient = get(),
            )
        }

        scoped<RespectSchoolPath> {
            RespectSchoolPath(
                path = Path(
                    File(
                        androidContext().filesDir, scopeUrl().sanitizedForFilename()
                    ).absolutePath
                )
            )
        }

        scoped<RespectSchoolDatabase> {
            Room.databaseBuilder<RespectSchoolDatabase>(
                androidContext(),
                scopeUrl().sanitizedForFilename()
            ).build()
        }

        scoped<SchoolPrimaryKeyGenerator> {
            SchoolPrimaryKeyGenerator(
                primaryKeyGenerator = PrimaryKeyGenerator(SchoolPrimaryKeyGenerator.TABLE_IDS)
            )
        }
    }

    /**
     * RespectAccount scope id is always in the form of:
     * userSourcedId@school-url e.g. 4232@https://school.example.org/
     *
     * The URL will never contain an '@' sign (e.g. user@email.com@https://school.example.org/),
     * the sourcedId may contain an @ sign. The school url is after the LAST @ symbol.
     *
     * The RespectAccount scope will be linked to SchoolDirectoryEntry (the parent) scope.
     */
    scope<RespectAccount> {
        scoped<AuthTokenProvider> {
            get<RespectTokenManager>().providerFor(id)
        }

        scoped<SchoolDataSource> {
            SchoolDataSourceDb(
                schoolDb = get(),
                xxStringHasher = get(),
            )
        }
    }
    single<RunReportUseCase> {
        MockRunReportUseCaseClientImpl()
    }
    single<CreateGraphFormatterUseCase> {
        CreateGraphFormatterUseCase()
    }
}