// Copyright 2005-2007 onetsoft.com
//
// 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.onetsoft.fastjsp;

import com.onetsoft.fastjsp.request.multipart.UploadConfig;
import com.onetsoft.fastjsp.util.Constants;
import com.onetsoft.fastjsp.util.StringUtils;
import com.onetsoft.fastjsp.valid.DefaultValidationMessageProvider;
import com.onetsoft.fastjsp.valid.ValidationMessageDecorator;
import com.onetsoft.fastjsp.valid.ValidationMessageProvider;

import java.util.Collections;
import java.util.Locale;
import java.util.Map;

/**
 * 配置FastJsp系統(tǒng)
 * 載入當前模塊配置
 *
 * @author <a href="mailto:hgw@onetsoft.com">hgw</a>
 */

public abstract class Configuration { 

    /**
     * 當前配置模塊名稱
     * Just servlet name in web.xml
     */
    private String module = null;


    public Configuration(String module) {
        this.module = module;
    }

    /**
     * 取得當前模塊名稱
     *
     * @return
     */
    public String getModule() {
        return module;
    }

    /**
     * 取得驗證消息模板pattern
     *
     * @return
     */
    public ValidationMessageProvider getValidationMessageProvider() {
        return new DefaultValidationMessageProvider();
    }


    /**
     * 全局i18n字符串資源
     *
     * @return
     * @see PageModule#getI18nStrings(java.util.Locale)
     */
    public MessagesFactory getMessagesFactory() {
        return new MessagesFactory() {
            public Map getI18nMap(Locale locale) {
                return Collections.EMPTY_MAP;
            }
        };
    }

    /**
     * 取得page service factory
     *
     * @return
     */
    public PageServiceFactory getPageServiceFactory() {
        return new PageServiceFactory() {
            public PageService createPageService(Servicer servicer) {
                return new AbstractPageService(servicer) {
                    protected AbstractPageCycle createCycle(AbstractPageService pageService) {
                        return new AbstractPageCycle(pageService) {
                        };
                    }
                };
            }
        };
    }


    /**
     * 取得系統(tǒng)缺省locale
     *
     * @return
     */
    public Locale getLocale() {
        return Locale.getDefault();
    }

    /**
     * 定義缺省字符集
     * 用于 url 解析等，而表單的encoding只能是UTF-8。
     *
     * @return
     */
    public String getEncoding() {
        return Constants.UTF_8;
    }

    public LocaleStateManagerFactory getLocaleStateManagerFactory() {
        return new LocaleStateManagerFactory() {
            public LocaleStateManager getLocaleStateManager() {
                return new LocaleStateManagerImpl();
            }
        };
    }


    /**
     * 返回的消息修飾
     *
     * @return
     */
    public ValidationMessageDecoratorFactory getValidationMessageDecoratorFactory() {
        return new ValidationMessageDecoratorFactory() {
            public ValidationMessageDecorator getDecorator() {
                return new ValidationMessageDecorator() {
                    public String decorate(String message) {
                        if (message == null || message.length() == 0)
                            return StringUtils.EMPTY;
                        else
                            return new StringBuffer("<span style=\"color:red;\">").append(message).append("</span>").toString();
                    }
                };
            }
        };
    }

    /**
     * 上載配置
     *
     * @return
     */
    public UploadConfig getUploadConfig() {
        return new UploadConfig() {
            public int getMaxSize() {
                return 10000000;    //10M
            }

            public int getThresholdSize() {
                return 1024;
            }

            public String getRepositoryPath() {
                return System.getProperty("java.io.tmpdir");
            }
        };
    }


    public DataSqueezerFactory getDataSqueezerFactory() {
        return new DataSqueezerFactory() {
            public DataSqueezer getDataSqueezer() {
                return new DefaultDataSqueezer();
            }
        };
    }

    /**
     * 取得擴展名
     *
     * @return
     */
    public String getUrlExt() {
        return ".html";
    }

    /**
     * 取得servicer配置
     *
     * @return
     */
    public abstract ServicerFactory getServicerFactory();

    /**
     * Action 名稱
     * 缺省：action
     *
     * @return
     */
    public abstract String getActionName();


    /**
     * 定義頁面存放(包)位置,如:"com.mycompony.pages"
     *
     * @return
     * @see PageModule
     */
    public abstract String getPagePackageBase();

    /**
     * 模塊頁面模板Context相對位置:如：template/skin1  若為根路徑，則為 ""
     * 每個網站模塊都有自己模板位置，缺省情況下為web context根目錄
     * 注：此位置下的文件及目錄組織與{@link this#getPagePackageBase()}下的組織結構相同
     *
     * @return
     * @see PageModule
     * @since 1.2
     */
    public abstract String getPageTemplateBase();
}