/*
 * Copyright (c) 2023 to present Androidacy and contributors. Names, logos, icons, and the Androidacy name are all trademarks of Androidacy and may not be used without license. See LICENSE for more information.
 */

package com.fox2code.mmm.module;

import android.content.Context;
import android.content.pm.PackageManager;
import android.view.View;

import androidx.annotation.NonNull;
import androidx.annotation.StringRes;

import com.fox2code.mmm.MainApplication;
import com.fox2code.mmm.NotificationType;
import com.fox2code.mmm.R;
import com.fox2code.mmm.XHooks;
import com.fox2code.mmm.manager.LocalModuleInfo;
import com.fox2code.mmm.manager.ModuleInfo;
import com.fox2code.mmm.repo.RepoModule;
import com.fox2code.mmm.utils.IntentHelper;
import com.fox2code.mmm.utils.io.PropUtils;
import com.fox2code.mmm.utils.io.net.Http;

import java.util.Comparator;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
import java.util.Objects;
import java.util.Set;

import timber.log.Timber;

public final class ModuleHolder implements Comparable<ModuleHolder> {

    public final String moduleId;
    public final NotificationType notificationType;
    public final Type separator;
    public int footerPx;
    public View.OnClickListener onClickListener;

    public LocalModuleInfo moduleInfo;
    public RepoModule repoModule;
    public int filterLevel;

    public ModuleHolder(String moduleId) {
        this.moduleId = Objects.requireNonNull(moduleId);
        this.notificationType = null;
        this.separator = null;
        this.footerPx = -1;
    }

    public ModuleHolder(NotificationType notificationType) {
        this.moduleId = "";
        this.notificationType = Objects.requireNonNull(notificationType);
        this.separator = null;
        this.footerPx = -1;
    }

    public ModuleHolder(Type separator) {
        this.moduleId = "";
        this.notificationType = null;
        this.separator = separator;
        this.footerPx = -1;
    }

    @SuppressWarnings("unused")
    public ModuleHolder(int footerPx, boolean header) {
        this.moduleId = "";
        this.notificationType = null;
        this.separator = null;
        this.footerPx = footerPx;
        this.filterLevel = header ? 1 : 0;
    }

    public boolean isModuleHolder() {
        return this.notificationType == null && this.separator == null && this.footerPx == -1;
    }

    public ModuleInfo getMainModuleInfo() {
        return this.repoModule != null && (this.moduleInfo == null || this.moduleInfo.versionCode < this.repoModule.moduleInfo.versionCode) ? this.repoModule.moduleInfo : this.moduleInfo;
    }

    public String getUpdateZipUrl() {
        return this.moduleInfo == null || (this.repoModule != null && this.moduleInfo.updateVersionCode < this.repoModule.moduleInfo.versionCode) ? this.repoModule.zipUrl : this.moduleInfo.updateZipUrl;
    }

    public String getUpdateZipRepo() {
        return this.moduleInfo == null || (this.repoModule != null && this.moduleInfo.updateVersionCode < this.repoModule.moduleInfo.versionCode) ? this.repoModule.repoData.id : "update_json";
    }

    public String getUpdateZipChecksum() {
        return this.moduleInfo == null || (this.repoModule != null && this.moduleInfo.updateVersionCode < this.repoModule.moduleInfo.versionCode) ? this.repoModule.checksum : this.moduleInfo.updateChecksum;
    }

    public String getMainModuleName() {
        ModuleInfo moduleInfo = this.getMainModuleInfo();
        if (moduleInfo == null || moduleInfo.name == null)
            throw new Error("Error for " + this.getType().name() + " id " + this.moduleId);
        return moduleInfo.name;
    }

    public String getMainModuleNameLowercase() {
        return this.getMainModuleName().toLowerCase(Locale.ROOT);
    }

    public String getMainModuleConfig() {
        if (this.moduleInfo == null) return null;
        String config = this.moduleInfo.config;
        if (config == null && this.repoModule != null) {
            config = this.repoModule.moduleInfo.config;
        }
        return config;
    }

    public String getUpdateTimeText() {
        if (this.repoModule == null) return "";
        long timeStamp = this.repoModule.lastUpdated;
        return timeStamp <= 0 ? "" : MainApplication.formatTime(timeStamp);
    }

    public String getRepoName() {
        if (this.repoModule == null) return "";
        return this.repoModule.repoName;
    }

    public boolean hasFlag(int flag) {
        return this.moduleInfo != null && this.moduleInfo.hasFlag(flag);
    }

    public Type getType() {
        if (this.footerPx != -1) {
            Timber.i("Module %s is footer", this.moduleId);
            return Type.FOOTER;
        } else if (this.separator != null) {
            Timber.i("Module %s is separator", this.moduleId);
            return Type.SEPARATOR;
        } else if (this.notificationType != null) {
            Timber.i("Module %s is notification", this.moduleId);
            return Type.NOTIFICATION;
        } else if (this.moduleInfo == null) {
            return Type.INSTALLABLE;
        } else if (this.moduleInfo.versionCode < this.moduleInfo.updateVersionCode || (this.repoModule != null && this.moduleInfo.versionCode < this.repoModule.moduleInfo.versionCode)) {
            boolean ignoreUpdate = false;
            try {
                if (Objects.requireNonNull(MainApplication.getSharedPreferences("mmm").getStringSet("pref_background_update_check_excludes", new HashSet<>())).contains(moduleInfo.id))
                    ignoreUpdate = true;
            } catch (Exception ignored) {
            }
            // now, we just had to make it more fucking complicated, didn't we?
            // we now have pref_background_update_check_excludes_version, which is a id:version stringset of versions the user may want to "skip"
            // oh, and because i hate myself, i made ^ at the beginning match that version and newer, and $ at the end match that version and older
            Set<String> stringSetT = MainApplication.getSharedPreferences("mmm").getStringSet("pref_background_update_check_excludes_version", new HashSet<>());
            String version = "";
            Timber.d(stringSetT.toString());
            // unfortunately, stringsett.contains() doesn't work for partial matches
            // so we have to iterate through the set
            for (String s : stringSetT) {
                if (s.startsWith(this.moduleInfo.id)) {
                    version = s;
                    Timber.d("igV: %s", version);
                    break;
                }
            }
            String remoteVersionCode = String.valueOf(moduleInfo.updateVersionCode);
            if (repoModule != null) {
                remoteVersionCode = String.valueOf(repoModule.moduleInfo.versionCode);
            }
            if (!version.isEmpty()) {
                // now, coerce everything into an int
                int remoteVersionCodeInt = Integer.parseInt(remoteVersionCode);
                int wantsVersion = Integer.parseInt(version.split(":")[1].replaceAll("[^0-9]", ""));
                // now find out if user wants up to and including this version, or this version and newer
                Timber.d("igV start with");
                version = version.split(":")[1];
                // this version and newer
                if (version.startsWith("^")) {
                    Timber.d("igV: newer");
                    // the wantsversion and newer
                    if (remoteVersionCodeInt >= wantsVersion) {
                        Timber.d("igV: skipping");
                        // if it is, we skip it
                        ignoreUpdate = true;
                    }
                } else if (version.endsWith("$")) {
                    Timber.d("igV: older");
                    // this wantsversion and older
                    if (remoteVersionCodeInt <= wantsVersion) {
                        Timber.d("igV: skipping");
                        // if it is, we skip it
                        ignoreUpdate = true;
                    }
                } else if (wantsVersion == remoteVersionCodeInt) {
                    Timber.d("igV: equal");
                    // if it is, we skip it
                    ignoreUpdate = true;
                }

            }
            if (ignoreUpdate) {
                Timber.d("Module %s has update, but is ignored", this.moduleId);
                return Type.INSTALLABLE;
            } else {
                MainApplication.getINSTANCE().modulesHaveUpdates = true;
                if (!MainApplication.getINSTANCE().updateModules.contains(this.moduleId)) {
                    MainApplication.getINSTANCE().updateModules.add(this.moduleId);
                    MainApplication.getINSTANCE().updateModuleCount++;
                }
                Timber.d("modulesHaveUpdates = %s, updateModuleCount = %s", MainApplication.getINSTANCE().modulesHaveUpdates, MainApplication.getINSTANCE().updateModuleCount);
                Timber.d("Module %s has update", this.moduleId);
                return Type.UPDATABLE;
            }
        } else {
            return Type.INSTALLED;
        }
    }

    public Type getCompareType(Type type) {
        if (this.separator != null) {
            return this.separator;
        } else if (this.notificationType != null && this.notificationType.special) {
            return Type.SPECIAL_NOTIFICATIONS;
        } else {
            return type;
        }
    }

    public boolean shouldRemove() {
        if (this.repoModule != null && this.moduleInfo != null && !hasUpdate()) {
            return true;
        }
        return this.notificationType != null ? this.notificationType.shouldRemove() : this.footerPx == -1 && this.moduleInfo == null && (this.repoModule == null || !this.repoModule.repoData.isEnabled() || (PropUtils.isLowQualityModule(this.repoModule.moduleInfo) && !MainApplication.Companion.isDisableLowQualityModuleFilter()));
    }

    public void getButtons(Context context, List<ActionButtonType> buttonTypeList, boolean showcaseMode) {
        if (!this.isModuleHolder()) return;
        LocalModuleInfo localModuleInfo = this.moduleInfo;
        // Add warning button if module id begins with a dot - this is a hidden module which could indicate malware
        if (this.moduleId.startsWith(".") || !this.moduleId.matches("^[a-zA-Z][a-zA-Z0-9._-]+$")) {
            buttonTypeList.add(ActionButtonType.WARNING);
        }
        if (localModuleInfo != null && !showcaseMode) {
            buttonTypeList.add(ActionButtonType.UNINSTALL);
        }
        if (this.repoModule != null && this.repoModule.notesUrl != null) {
            buttonTypeList.add(ActionButtonType.INFO);
        }
        if ((this.repoModule != null || (localModuleInfo != null && localModuleInfo.updateZipUrl != null))) {
            buttonTypeList.add(ActionButtonType.UPDATE_INSTALL);
        }
        String config = this.getMainModuleConfig();
        if (config != null) {
            if (config.startsWith("https://www.androidacy.com/") && Http.hasWebView()) {
                buttonTypeList.add(ActionButtonType.CONFIG);
            } else {
                String pkg = IntentHelper.getPackageOfConfig(config);
                try {
                    XHooks.checkConfigTargetExists(context, pkg, config);
                    buttonTypeList.add(ActionButtonType.CONFIG);
                } catch (PackageManager.NameNotFoundException e) {
                    Timber.w("Config package \"" + pkg + "\" missing for module \"" + this.moduleId + "\"");
                }
            }
        }
        ModuleInfo moduleInfo = this.getMainModuleInfo();
        if (moduleInfo == null) { // Avoid concurrency NPE
            if (localModuleInfo == null) return;
            moduleInfo = localModuleInfo;
        }
        if (moduleInfo.support != null) {
            buttonTypeList.add(ActionButtonType.SUPPORT);
        }
        if (moduleInfo.donate != null) {
            buttonTypeList.add(ActionButtonType.DONATE);
        }
        if (moduleInfo.safe) {
            buttonTypeList.add(ActionButtonType.SAFE);
        } else {
            Timber.d("Module %s is not safe", this.moduleId);
        }
    }

    public boolean hasUpdate() {
        return this.moduleInfo != null && this.repoModule != null && this.moduleInfo.versionCode < this.repoModule.moduleInfo.versionCode;
    }

    @Override
    public int compareTo(ModuleHolder o) {
        // Compare depend on type, also allow type spoofing
        Type selfTypeReal = this.getType();
        Type otherTypeReal = o.getType();
        Type selfType = this.getCompareType(selfTypeReal);
        Type otherType = o.getCompareType(otherTypeReal);
        int compare = selfType.compareTo(otherType);
        return compare != 0 ? compare : selfTypeReal == otherTypeReal ? selfTypeReal.compare(this, o) : selfTypeReal.compareTo(otherTypeReal);
    }

    @NonNull
    @Override
    public String toString() {
        return "ModuleHolder{" + "moduleId='" + moduleId + '\'' + ", notificationType=" + notificationType + ", separator=" + separator + ", footerPx=" + footerPx + '}';
    }

    public enum Type implements Comparator<ModuleHolder> {
        HEADER(R.string.loading, false, false), SEPARATOR(R.string.loading, false, false) {
            @Override
            @SuppressWarnings("ConstantConditions")
            public int compare(ModuleHolder o1, ModuleHolder o2) {
                return o1.separator.compareTo(o2.separator);
            }
        }, NOTIFICATION(R.string.loading, true, false) {
            @Override
            @SuppressWarnings("ConstantConditions")
            public int compare(ModuleHolder o1, ModuleHolder o2) {
                return o1.notificationType.compareTo(o2.notificationType);
            }
        }, UPDATABLE(R.string.updatable, true, true) {
            @Override
            public int compare(ModuleHolder o1, ModuleHolder o2) {
                int cmp = Integer.compare(o1.filterLevel, o2.filterLevel);
                if (cmp != 0) return cmp;
                long lastUpdated1 = o1.repoModule == null ? 0L : o1.repoModule.lastUpdated;
                long lastUpdated2 = o2.repoModule == null ? 0L : o2.repoModule.lastUpdated;
                cmp = Long.compare(lastUpdated2, lastUpdated1);
                if (cmp != 0) return cmp;
                return o1.getMainModuleName().compareTo(o2.getMainModuleName());
            }
        }, INSTALLED(R.string.installed, true, true) {
            // get stacktrace for debugging
            @Override
            public int compare(ModuleHolder o1, ModuleHolder o2) {
                int cmp = Integer.compare(o1.filterLevel, o2.filterLevel);
                if (cmp != 0) return cmp;
                return o1.getMainModuleNameLowercase().compareTo(o2.getMainModuleNameLowercase());
            }
        }, SPECIAL_NOTIFICATIONS(R.string.loading, true, false), INSTALLABLE(R.string.online_repo, true, true) {
            @Override
            public int compare(ModuleHolder o1, ModuleHolder o2) {
                int cmp = Integer.compare(o1.filterLevel, o2.filterLevel);
                if (cmp != 0) return cmp;
                long lastUpdated1 = o1.repoModule == null ? 0L : o1.repoModule.lastUpdated;
                long lastUpdated2 = o2.repoModule == null ? 0L : o2.repoModule.lastUpdated;
                cmp = Long.compare(lastUpdated2, lastUpdated1);
                if (cmp != 0) return cmp;
                return o1.getMainModuleName().compareTo(o2.getMainModuleName());
            }
        }, FOOTER(R.string.loading, false, false);

        @StringRes
        public final int title;
        public final boolean hasBackground;
        public final boolean moduleHolder;

        Type(@StringRes int title, boolean hasBackground, boolean moduleHolder) {
            this.title = title;
            this.hasBackground = hasBackground;
            this.moduleHolder = moduleHolder;
        }

        // Note: This method should only be called if both element have the same type
        @Override
        public int compare(ModuleHolder o1, ModuleHolder o2) {
            if (o1 == o2) {
                return 0;
            } else if (o1 == null) {
                return -1;
            } else if (o2 == null) {
                return 1;
            } else {
                return o1.moduleId.compareTo(o2.moduleId);
            }
        }
    }
}