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package com.fr.stable.fun;

import com.fr.stable.StringUtils;
import com.fr.stable.fun.mark.Mutable;

/**
 * Created by richie on 16/4/26.
 * 脚本占位,用于在page.html或者form.html中引入脚本
 */
public interface JavaScriptPlaceHolder extends Mutable {

    String MARK_STRING = "JavaScriptPlaceHolder";

    int CURRENT_LEVEL = 2;

    /**
     * 占位的内容
     * @return 内容
     */
    String placeHolderContent();

    /**
     * 脚本内容
     * @return 脚本描述对象
     */
    ScriptTag[] holderScripts();

    class ScriptTag {

        private String type;
        private String src;
        private String text;

        public static ScriptTag build() {
            return new ScriptTag();
        }

        private ScriptTag() {

        }

        public ScriptTag type(String type) {
            this.type = type;
            return this;
        }

        public ScriptTag src(String src) {
            this.src = src;
            return this;
        }

        public ScriptTag text(String text) {
            this.text = text;
            return this;
        }

        public String toTag() {
            StringBuilder sb = new StringBuilder();
            sb.append("<script");
            if (StringUtils.isNotEmpty(type)) {
                sb.append(" ");
                sb.append("type=");
                sb.append("\"");
                sb.append(type);
                sb.append("\"");
            }
            if (StringUtils.isNotEmpty(src)) {
                sb.append(" ");
                sb.append("src=");
                sb.append("\"");
                sb.append(src);
                sb.append("\"");
            }
            sb.append(">");
            if (StringUtils.isNotEmpty(text)) {
                sb.append(text);
            }
            sb.append("</script>");
            return sb.toString();
        }
    }

}