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package com.whaleal.icefrog.http.useragent;

import com.whaleal.icefrog.core.collection.CollUtil;
import com.whaleal.icefrog.core.util.ReUtil;

import java.util.List;
import java.util.regex.Pattern;

/**
 * 系统对象
 *
 * @author Looly
 * @author wh
 * @since 1.0.0
 */
public class OS extends UserAgentInfo {
    /**
     * 未知
     */
    public static final OS Unknown = new OS(NameUnknown, null);
    /**
     * 支持的引擎类型
     */
    public static final List oses = CollUtil.newArrayList(//
            new OS("Windows 10 or Windows Server 2016", "windows nt 10\\.0", "windows nt (10\\.0)"),//
            new OS("Windows 8.1 or Winsows Server 2012R2", "windows nt 6\\.3", "windows nt (6\\.3)"),//
            new OS("Windows 8 or Winsows Server 2012", "windows nt 6\\.2", "windows nt (6\\.2)"),//
            new OS("Windows Vista", "windows nt 6\\.0", "windows nt (6\\.0)"), //
            new OS("Windows 7 or Windows Server 2008R2", "windows nt 6\\.1", "windows nt (6\\.1)"), //
            new OS("Windows 2003", "windows nt 5\\.2", "windows nt (5\\.2)"), //
            new OS("Windows XP", "windows nt 5\\.1", "windows nt (5\\.1)"), //
            new OS("Windows 2000", "windows nt 5\\.0", "windows nt (5\\.0)"), //
            new OS("Windows Phone", "windows (ce|phone|mobile)( os)?", "windows (?:ce|phone|mobile) (\\d+([._]\\d+)*)"), //
            new OS("Windows", "windows"), //
            new OS("OSX", "os x (\\d+)[._](\\d+)", "os x (\\d+([._]\\d+)*)"), //
            new OS("Android", "Android", "Android (\\d+([._]\\d+)*)"),//
            new OS("Linux", "linux"), //
            new OS("Wii", "wii", "wii libnup/(\\d+([._]\\d+)*)"), //
            new OS("PS3", "playstation 3", "playstation 3; (\\d+([._]\\d+)*)"), //
            new OS("PSP", "playstation portable", "Portable\\); (\\d+([._]\\d+)*)"), //
            new OS("iPad", "\\(iPad.*os (\\d+)[._](\\d+)", "\\(iPad.*os (\\d+([._]\\d+)*)"), //
            new OS("iPhone", "\\(iPhone.*os (\\d+)[._](\\d+)", "\\(iPhone.*os (\\d+([._]\\d+)*)"), //
            new OS("YPod", "iPod touch[\\s\\;]+iPhone.*os (\\d+)[._](\\d+)", "iPod touch[\\s\\;]+iPhone.*os (\\d+([._]\\d+)*)"), //
            new OS("YPad", "iPad[\\s\\;]+iPhone.*os (\\d+)[._](\\d+)", "iPad[\\s\\;]+iPhone.*os (\\d+([._]\\d+)*)"), //
            new OS("YPhone", "iPhone[\\s\\;]+iPhone.*os (\\d+)[._](\\d+)", "iPhone[\\s\\;]+iPhone.*os (\\d+([._]\\d+)*)"), //
            new OS("Symbian", "symbian(os)?"), //
            new OS("Darwin", "Darwin\\/([\\d\\w\\.\\-]+)", "Darwin\\/([\\d\\w\\.\\-]+)"), //
            new OS("Adobe Air", "AdobeAir\\/([\\d\\w\\.\\-]+)", "AdobeAir\\/([\\d\\w\\.\\-]+)"), //
            new OS("Java", "Java[\\s]+([\\d\\w\\.\\-]+)", "Java[\\s]+([\\d\\w\\.\\-]+)")//
    );
    private static final long serialVersionUID = 1L;
    private Pattern versionPattern;

    /**
     * 构造
     *
     * @param name  系统名称
     * @param regex 关键字或表达式
     */
    public OS( String name, String regex ) {
        this(name, regex, null);
    }

    /**
     * 构造
     *
     * @param name         系统名称
     * @param regex        关键字或表达式
     * @param versionRegex 版本正则表达式
     * @since 1.0.0
     */
    public OS( String name, String regex, String versionRegex ) {
        super(name, regex);
        if (null != versionRegex) {
            this.versionPattern = Pattern.compile(versionRegex, Pattern.CASE_INSENSITIVE);
        }
    }

    /**
     * 添加自定义的系统类型
     *
     * @param name         浏览器名称
     * @param regex        关键字或表达式
     * @param versionRegex 匹配版本的正则
     * @since 1.0.0
     */
    synchronized public static void addCustomOs( String name, String regex, String versionRegex ) {
        oses.add(new OS(name, regex, versionRegex));
    }

    /**
     * 获取浏览器版本
     *
     * @param userAgentString User-Agent字符串
     * @return 版本
     */
    public String getVersion( String userAgentString ) {
        if (isUnknown() || null == this.versionPattern) {
            // 无版本信息
            return null;
        }
        return ReUtil.getGroup1(this.versionPattern, userAgentString);
    }
}