/**
    Licensed to the Apache Software Foundation (ASF) under one
    or more contributor license agreements.  See the NOTICE file
    distributed with this work for additional information
    regarding copyright ownership.  The ASF licenses this file
    to you 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.
*/

const fs = require('node:fs');
const path = require('node:path');
const isPathInside = require('is-path-inside');
const events = require('cordova-common').events;
const CordovaError = require('cordova-common').CordovaError;

const handlers = {
    'source-file': {
        install: function (obj, plugin, project, options) {
            if (!obj.src) throw new CordovaError(generateAttributeError('src', 'source-file', plugin.id));
            if (!obj.targetDir) throw new CordovaError(generateAttributeError('target-dir', 'source-file', plugin.id));

            const dest = getInstallDestination(obj);

            if (options && options.force) {
                copyFile(plugin.dir, obj.src, project.projectDir, dest, !!(options && options.link));
            } else {
                copyNewFile(plugin.dir, obj.src, project.projectDir, dest, !!(options && options.link));
            }
        },
        uninstall: function (obj, plugin, project, options) {
            const dest = getInstallDestination(obj);

            // TODO: Add Koltin extension to uninstall, since they are handled like Java files
            if (obj.src.endsWith('java')) {
                deleteJava(project.projectDir, dest);
            } else {
                // Just remove the file, not the whole parent directory
                removeFileF(path.resolve(project.projectDir, dest));
            }
        }
    },
    'lib-file': {
        install: function (obj, plugin, project, options) {
            const dest = path.join('app/libs', path.basename(obj.src));
            copyFile(plugin.dir, obj.src, project.projectDir, dest, !!(options && options.link));
        },
        uninstall: function (obj, plugin, project, options) {
            const dest = path.join('app/libs', path.basename(obj.src));
            removeFileF(path.resolve(project.projectDir, dest));
        }
    },
    'resource-file': {
        install: function (obj, plugin, project, options) {
            const dest = path.join('app', 'src', 'main', obj.target);
            copyFile(plugin.dir, obj.src, project.projectDir, dest, !!(options && options.link));
        },
        uninstall: function (obj, plugin, project, options) {
            const dest = path.join('app', 'src', 'main', obj.target);
            removeFileF(path.resolve(project.projectDir, dest));
        }
    },
    framework: {
        install: function (obj, plugin, project, options) {
            const src = obj.src;
            if (!src) throw new CordovaError(generateAttributeError('src', 'framework', plugin.id));

            events.emit('verbose', 'Installing Android library: ' + src);
            const parentDir = obj.parent ? path.resolve(project.projectDir, obj.parent) : project.projectDir;
            let subDir;

            if (obj.custom) {
                const subRelativeDir = project.getCustomSubprojectRelativeDir(plugin.id, src);
                copyNewFile(plugin.dir, src, project.projectDir, subRelativeDir, !!(options && options.link));
                subDir = path.resolve(project.projectDir, subRelativeDir);
            } else {
                obj.type = 'sys';
                subDir = src;
            }

            if (obj.type === 'gradleReference') {
                project.addGradleReference(parentDir, subDir);
            } else if (obj.type === 'sys') {
                project.addSystemLibrary(parentDir, subDir);
            } else {
                project.addSubProject(parentDir, subDir);
            }
        },
        uninstall: function (obj, plugin, project, options) {
            const src = obj.src;
            if (!src) throw new CordovaError(generateAttributeError('src', 'framework', plugin.id));

            events.emit('verbose', 'Uninstalling Android library: ' + src);
            const parentDir = obj.parent ? path.resolve(project.projectDir, obj.parent) : project.projectDir;
            let subDir;

            if (obj.custom) {
                const subRelativeDir = project.getCustomSubprojectRelativeDir(plugin.id, src);
                removeFileF(path.resolve(project.projectDir, subRelativeDir));
                subDir = path.resolve(project.projectDir, subRelativeDir);
                // If it's the last framework in the plugin, remove the parent directory.
                const parDir = path.dirname(subDir);
                if (fs.existsSync(parDir) && fs.readdirSync(parDir).length === 0) {
                    fs.rmdirSync(parDir);
                }
            } else {
                obj.type = 'sys';
                subDir = src;
            }

            if (obj.type === 'gradleReference') {
                project.removeGradleReference(parentDir, subDir);
            } else if (obj.type === 'sys') {
                project.removeSystemLibrary(parentDir, subDir);
            } else {
                project.removeSubProject(parentDir, subDir);
            }
        }
    },
    asset: {
        install: function (obj, plugin, project, options) {
            if (!obj.src) {
                throw new CordovaError(generateAttributeError('src', 'asset', plugin.id));
            }
            if (!obj.target) {
                throw new CordovaError(generateAttributeError('target', 'asset', plugin.id));
            }

            copyFile(plugin.dir, obj.src, project.www, obj.target);
            if (options && options.usePlatformWww) {
                // CB-11022 copy file to both directories if usePlatformWww is specified
                copyFile(plugin.dir, obj.src, project.platformWww, obj.target);
            }
        },
        uninstall: function (obj, plugin, project, options) {
            const target = obj.target || obj.src;

            if (!target) {
                throw new CordovaError(generateAttributeError('target', 'asset', plugin.id));
            }

            removeFileAndParents(project.www, target);
            if (options && options.usePlatformWww) {
                removeFileAndParents(project.platformWww, target);
            }
        }
    },
    'js-module': {
        install: function (obj, plugin, project, options) {
            // Copy the plugin's files into the www directory.
            const moduleSource = path.resolve(plugin.dir, obj.src);
            const moduleName = plugin.id + '.' + (obj.name || path.basename(obj.src, path.extname(obj.src)));

            // Read in the file, prepend the cordova.define, and write it back out.
            let scriptContent = fs.readFileSync(moduleSource, 'utf-8').replace(/^\ufeff/, ''); // Window BOM
            if (moduleSource.match(/.*\.json$/)) {
                scriptContent = 'module.exports = ' + scriptContent;
            }
            scriptContent = 'cordova.define("' + moduleName + '", function(require, exports, module) {\n' + scriptContent + '\n});\n';

            const wwwDest = path.resolve(project.www, 'plugins', plugin.id, obj.src);
            fs.mkdirSync(path.dirname(wwwDest), { recursive: true });
            fs.writeFileSync(wwwDest, scriptContent, 'utf-8');

            if (options && options.usePlatformWww) {
                // CB-11022 copy file to both directories if usePlatformWww is specified
                const platformWwwDest = path.resolve(project.platformWww, 'plugins', plugin.id, obj.src);
                fs.mkdirSync(path.dirname(platformWwwDest), { recursive: true });
                fs.writeFileSync(platformWwwDest, scriptContent, 'utf-8');
            }
        },
        uninstall: function (obj, plugin, project, options) {
            const pluginRelativePath = path.join('plugins', plugin.id, obj.src);
            removeFileAndParents(project.www, pluginRelativePath);
            if (options && options.usePlatformWww) {
                // CB-11022 remove file from both directories if usePlatformWww is specified
                removeFileAndParents(project.platformWww, pluginRelativePath);
            }
        }
    }
};

module.exports.getInstaller = function (type) {
    if (handlers[type] && handlers[type].install) {
        return handlers[type].install;
    }

    events.emit('verbose', '<' + type + '> is not supported for android plugins');
};

module.exports.getUninstaller = function (type) {
    if (handlers[type] && handlers[type].uninstall) {
        return handlers[type].uninstall;
    }

    events.emit('verbose', '<' + type + '> is not supported for android plugins');
};

function copyFile (plugin_dir, src, project_dir, dest, link) {
    src = path.resolve(plugin_dir, src);
    if (!fs.existsSync(src)) throw new CordovaError('"' + src + '" not found!');

    // check that src path is inside plugin directory
    const real_path = fs.realpathSync(src);
    const real_plugin_path = fs.realpathSync(plugin_dir);
    if (!isPathInside(real_path, real_plugin_path)) { throw new CordovaError('File "' + src + '" is located outside the plugin directory "' + plugin_dir + '"'); }

    dest = path.resolve(project_dir, dest);

    // check that dest path is located in project directory
    if (!isPathInside(dest, project_dir)) { throw new CordovaError('Destination "' + dest + '" for source file "' + src + '" is located outside the project'); }

    fs.mkdirSync(path.dirname(dest), { recursive: true });
    if (link) {
        symlinkFileOrDirTree(src, dest);
    } else {
        fs.cpSync(src, dest, { recursive: true });
    }
}

// Same as copy file but throws error if target exists
function copyNewFile (plugin_dir, src, project_dir, dest, link) {
    const target_path = path.resolve(project_dir, dest);
    if (fs.existsSync(target_path)) { throw new CordovaError('"' + target_path + '" already exists!'); }

    copyFile(plugin_dir, src, project_dir, dest, !!link);
}

function symlinkFileOrDirTree (src, dest) {
    if (fs.existsSync(dest)) {
        fs.rmSync(dest, { recursive: true, force: true });
    }

    if (fs.statSync(src).isDirectory()) {
        fs.mkdirSync(path.dirname(dest), { recursive: true });
        fs.readdirSync(src).forEach(function (entry) {
            symlinkFileOrDirTree(path.join(src, entry), path.join(dest, entry));
        });
    } else {
        fs.symlinkSync(path.relative(fs.realpathSync(path.dirname(dest)), src), dest);
    }
}

function removeFileF (file) {
    fs.rmSync(file, { recursive: true, force: true });
}

// Sometimes we want to remove some java, and prune any unnecessary empty directories
function deleteJava (project_dir, destFile) {
    removeFileAndParents(project_dir, destFile, 'src');
}

function removeFileAndParents (baseDir, destFile, stopper) {
    stopper = stopper || '.';
    const file = path.resolve(baseDir, destFile);
    if (!fs.existsSync(file)) return;

    removeFileF(file);

    // check if directory is empty
    let curDir = path.dirname(file);

    while (curDir !== path.resolve(baseDir, stopper)) {
        if (fs.existsSync(curDir) && fs.readdirSync(curDir).length === 0) {
            fs.rmdirSync(curDir);
            curDir = path.resolve(curDir, '..');
        } else {
            // directory not empty...do nothing
            break;
        }
    }
}

function generateAttributeError (attribute, element, id) {
    return 'Required attribute "' + attribute + '" not specified in <' + element + '> element from plugin: ' + id;
}

function getInstallDestination (obj) {
    const APP_MAIN_PREFIX = 'app/src/main';
    const PATH_SEPARATOR = '/';

    const PATH_SEP_MATCH = '\\' + PATH_SEPARATOR;
    const PATH_SEP_OR_EOL_MATCH = '(\\' + PATH_SEPARATOR + '|$)';

    const appReg = new RegExp('^app' + PATH_SEP_OR_EOL_MATCH);
    const libsReg = new RegExp('^libs' + PATH_SEP_OR_EOL_MATCH);
    const srcReg = new RegExp('^src' + PATH_SEP_OR_EOL_MATCH);
    const srcMainReg = new RegExp('^src' + PATH_SEP_MATCH + 'main' + PATH_SEP_OR_EOL_MATCH);

    if (appReg.test(obj.targetDir)) {
        // If any source file is using the new app directory structure,
        // don't penalize it
        return path.join(obj.targetDir, path.basename(obj.src));
    } else {
        // Plugin using deprecated target directory structure (GH-580)
        if (obj.src.endsWith('.java')) {
            return path.join(APP_MAIN_PREFIX, 'java', obj.targetDir.replace(srcReg, ''),
                path.basename(obj.src));
        } else if (obj.src.endsWith('.aidl')) {
            return path.join(APP_MAIN_PREFIX, 'aidl', obj.targetDir.replace(srcReg, ''),
                path.basename(obj.src));
        } else if (libsReg.test(obj.targetDir)) {
            if (obj.src.endsWith('.so')) {
                return path.join(APP_MAIN_PREFIX, 'jniLibs', obj.targetDir.replace(libsReg, ''),
                    path.basename(obj.src));
            } else {
                return path.join('app', obj.targetDir, path.basename(obj.src));
            }
        } else if (srcMainReg.test(obj.targetDir)) {
            return path.join('app', obj.targetDir, path.basename(obj.src));
        }

        // For all other source files not using the new app directory structure,
        // add 'app/src/main' to the targetDir
        return path.join(APP_MAIN_PREFIX, obj.targetDir, path.basename(obj.src));
    }
}
