package net.sourceforge.seqware.pipeline.workflowV2.model;

import java.util.ArrayList;
import java.util.List;

public class Command {
    private List<String> arguments;
    // default FIXME should put in a property file
    private String mem = "500M";
    private boolean gcrSkipIfMissing;
    private boolean gcrSkipIfOutputExists;
    private String gcrOutputFile;
    private Integer outputLineCapacity = null;

    public Command() {
        this.arguments = new ArrayList<>();
    }

    public Command addArgument(String argument) {
        this.arguments.add(argument);
        return this;
    }

    public List<String> getArguments() {
        return arguments;
    }

    public Command setArguments(List<String> arguments) {
        this.arguments = arguments;
        return this;
    }

    @Override
    /**
     * concat the arguments to a string with "\n" at the end of each line
     */
    public String toString() {
        StringBuilder sb = new StringBuilder();
        if (this.arguments.isEmpty() == false) {
            sb.append(this.arguments.get(0));
            for (int i = 1; i < this.arguments.size(); i++) {
                sb.append("\n").append(this.arguments.get(i));
            }
        }
        return sb.toString();
    }

    public String getMaxMemory() {
        return mem;
    }

    public Command setMaxMemory(String mem) {
        if (mem.matches("\\d+(g|G|m|M|k|K)?")) {
            this.mem = mem;
            return this;
        }
        throw new IllegalArgumentException("Invalid max-memory value: " + mem);
    }

    public boolean isGcrSkipIfMissing() {
        return gcrSkipIfMissing;
    }

    public void setGcrSkipIfMissing(boolean gcrSkipIfMissing) {
        this.gcrSkipIfMissing = gcrSkipIfMissing;
    }

    public boolean isGcrSkipIfOutputExists() {
        return gcrSkipIfOutputExists;
    }

    public void setGcrSkipIfOutputExists(boolean gcrSkipIfOutputExists) {
        this.gcrSkipIfOutputExists = gcrSkipIfOutputExists;
    }

    public String getGcrOutputFile() {
        return gcrOutputFile;
    }

    public void setGcrOutputFile(String gcrOutputFile) {
        this.gcrOutputFile = gcrOutputFile;
    }

    /**
     * @return the outputLineCapacity, null when not defined
     */
    public Integer getOutputLineCapacity() {
        return outputLineCapacity;
    }

    /**
     * Set the number of lines of stdout and stderr to output
     * 
     * @param outputLineCapacity
     *            the outputLineCapacity to set
     */
    public void setOutputLineCapacity(Integer outputLineCapacity) {
        this.outputLineCapacity = outputLineCapacity;
    }
}