package com.codechecker.model;

/**
 * Git 扫描得到的单个 Java 模型类变更记录。
 */
public class ChangedClassFile {
    /** Git diff 状态：修改 / 删除 / 重命名 */
    public enum ChangeStatus {
        MODIFIED, DELETED, RENAMED
    }

    private final String relativePath;
    private final String oldRelativePath;
    private final ChangeStatus status;
    private final String className;
    private final String oldClassName;
    private final ClassType classType;

    /** 修改或删除（无路径变化） */
    public ChangedClassFile(String relativePath, ChangeStatus status, String className, ClassType classType) {
        this(relativePath, null, status, className, null, classType);
    }

    /** 重命名或同路径类名变更 */
    public ChangedClassFile(String relativePath, String oldRelativePath, ChangeStatus status,
                            String className, String oldClassName, ClassType classType) {
        this.relativePath = relativePath;
        this.oldRelativePath = oldRelativePath;
        this.status = status;
        this.className = className;
        this.oldClassName = oldClassName;
        this.classType = classType;
    }

    /** 新提交中的相对路径 */
    public String getRelativePath() {
        return relativePath;
    }

    /** 旧提交中的相对路径，未变路径则为 null */
    public String getOldRelativePath() {
        return oldRelativePath;
    }

    /** 读取旧版本源码时使用的路径 */
    public String pathForOldCommit() {
        return oldRelativePath != null ? oldRelativePath : relativePath;
    }

    public ChangeStatus getStatus() {
        return status;
    }

    /** 当前简单类名 */
    public String getClassName() {
        return className;
    }

    /** 重命名前简单类名 */
    public String getOldClassName() {
        return oldClassName;
    }

    public ClassType getClassType() {
        return classType;
    }
}