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/*
 * Copyright (c) 2011-2021, baomidou ([email protected]).
 * 
 * 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
 * 

 * https://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.kg.component.generator.config.builder;

import com.kg.component.generator.config.*;
import com.kg.component.generator.config.po.TableInfo;
import com.kg.component.generator.query.IDatabaseQuery;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import java.lang.reflect.Constructor;
import java.util.*;
import java.util.regex.Pattern;

/**
 * 配置汇总 传递给文件生成工具
 *
 * @author YangHu, tangguo, hubin, Juzi, lanjerry
 * @since 2016-08-30
 */
public class ConfigBuilder {

    /**
     * 模板路径配置信息
     */
    private final TemplateConfig templateConfig;

    /**
     * 数据库表信息
     */
    private final List tableInfoList = new ArrayList<>();

    /**
     * 路径配置信息
     */
    private final Map pathInfo = new HashMap<>();

    /**
     * 策略配置信息
     */
    private StrategyConfig strategyConfig;

    /**
     * 全局配置信息
     */
    private GlobalConfig globalConfig;

    /**
     * 注入配置信息
     */
    private InjectionConfig injectionConfig;

    /**
     * 过滤正则
     */
    private static final Pattern REGX = Pattern.compile("[~!/@#$%^&*()+\\\\\\[\\]|{};:'\",<.>?]+");

    /**
     * 包配置信息
     */
    private final PackageConfig packageConfig;

    /**
     * 数据库配置信息
     */
    private final DataSourceConfig dataSourceConfig;

    /**
     * 数据查询实例
     * @since 3.5.3
     */
    private final IDatabaseQuery databaseQuery;

    /**
     * 在构造器中处理配置
     *
     * @param packageConfig    包配置
     * @param dataSourceConfig 数据源配置
     * @param strategyConfig   表配置
     * @param templateConfig   模板配置
     * @param globalConfig     全局配置
     */
    public ConfigBuilder(@Nullable PackageConfig packageConfig, @NotNull DataSourceConfig dataSourceConfig,
                         @Nullable StrategyConfig strategyConfig, @Nullable TemplateConfig templateConfig,
                         @Nullable GlobalConfig globalConfig, @Nullable InjectionConfig injectionConfig) {
        this.dataSourceConfig = dataSourceConfig;
        this.strategyConfig = Optional.ofNullable(strategyConfig).orElseGet(GeneratorBuilder::strategyConfig);
        this.globalConfig = Optional.ofNullable(globalConfig).orElseGet(GeneratorBuilder::globalConfig);
        this.templateConfig = Optional.ofNullable(templateConfig).orElseGet(GeneratorBuilder::templateConfig);
        this.packageConfig = Optional.ofNullable(packageConfig).orElseGet(GeneratorBuilder::packageConfig);
        this.injectionConfig = Optional.ofNullable(injectionConfig).orElseGet(GeneratorBuilder::injectionConfig);
        this.pathInfo.putAll(new PathInfoHandler(this.globalConfig, this.templateConfig, this.packageConfig).getPathInfo());
        Class databaseQueryClass = dataSourceConfig.getDatabaseQueryClass();
        try {
            Constructor declaredConstructor = databaseQueryClass.getDeclaredConstructor(this.getClass());
            this.databaseQuery = declaredConstructor.newInstance(this);
        } catch (ReflectiveOperationException exception) {
            throw new RuntimeException("创建IDatabaseQuery实例出现错误:", exception);
        }
    }

    /**
     * 判断表名是否为正则表名(这表名规范比较随意,只能尽量匹配上特殊符号)
     *
     * @param tableName 表名
     * @return 是否正则
     * @since 3.5.0
     */
    public static boolean matcherRegTable(@NotNull String tableName) {
        return REGX.matcher(tableName).find();
    }

    @NotNull
    public ConfigBuilder setStrategyConfig(@NotNull StrategyConfig strategyConfig) {
        this.strategyConfig = strategyConfig;
        return this;
    }

    @NotNull
    public ConfigBuilder setGlobalConfig(@NotNull GlobalConfig globalConfig) {
        this.globalConfig = globalConfig;
        return this;
    }

    @NotNull
    public ConfigBuilder setInjectionConfig(@NotNull InjectionConfig injectionConfig) {
        this.injectionConfig = injectionConfig;
        return this;
    }

    @NotNull
    public TemplateConfig getTemplateConfig() {
        return templateConfig;
    }

    @NotNull
    public List getTableInfoList() {
        if (tableInfoList.isEmpty()) {
            List tableInfos = this.databaseQuery.queryTables();
            if (!tableInfos.isEmpty()) {
                this.tableInfoList.addAll(tableInfos);
            }
        }
        return tableInfoList;
    }

    @NotNull
    public Map getPathInfo() {
        return pathInfo;
    }

    @NotNull
    public StrategyConfig getStrategyConfig() {
        return strategyConfig;
    }

    @NotNull
    public GlobalConfig getGlobalConfig() {
        return globalConfig;
    }

    @Nullable
    public InjectionConfig getInjectionConfig() {
        return injectionConfig;
    }

    @NotNull
    public PackageConfig getPackageConfig() {
        return packageConfig;
    }

    @NotNull
    public DataSourceConfig getDataSourceConfig() {
        return dataSourceConfig;
    }
}