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package moe.nekojimi.chords;

import com.amihaiemil.eoyaml.Yaml;
import com.amihaiemil.eoyaml.YamlMapping;
import java.util.Objects;
import javax.json.JsonObject;

/**
 *
 * @author jimj316
 */
class Format
{


    private final String code;
    private final String extension;
    private final String resolution;
    private final String note;
    private long size = -1;
    private int samplerate = -1;
    private boolean audioOnly = false;

    public Format(String code, String extension, String resolution, String note)
    {
        this.code = code;
        this.extension = extension;
        this.resolution = resolution;
        this.note = note;
    }

    /**
     * Read format info from a youtube-dl JSON response.
     *
     * @param object the JSON object from youtube-dl.
     * @return a new Format object if the JSON is valid, or null if not.
     */
    public static Format fromJSON(JsonObject object)
    {
        String code = object.getString("format_id");
        String ext = object.getString("ext");
//        String res = object.getString()
        String res = object.getString("format");
        String note = "";
        Format ret = new Format(code, ext, res, note);
        int asr = object.getInt("asr", -1);
        int size = object.getInt("filesize", -1);
        ret.setSampleRate(asr);
        ret.setSize(size);
        return ret;

    }

    public static Format fromYaml(YamlMapping yaml)
    {
        Format format = new Format(
                yaml.string("code"),
                yaml.string("extension"),
                yaml.string("resolution"),
                yaml.string("note"));
        return format;
    }

    public YamlMapping toYaml()
    {
        return Yaml.createYamlMappingBuilder()
                .add("code", code)
                .add("extension", extension)
                .add("resolution", resolution)
                .add("note", note)
                .build();
    }

    public boolean isAudioOnly()
    {
        if (audioOnly)
            return true;
        return resolution.trim().toLowerCase().contains("audio only") || note.trim().toLowerCase().contains("tiny");
    }

    public void setAudioOnly(boolean audioOnly)
    {
        this.audioOnly = audioOnly;
    }

    public long getSize()
    {
        if (size != -1)
            return size;

        // try to find eg. "1.32MiB" inside note
        long size = Util.parseSize(note);

        return size;
    }

    public int getSampleRate()
    {
        if (samplerate != -1)
            return samplerate;

        // try to find eg. "51k" inside note
        return Util.parseSampleRate(note);
    }

    public void setSampleRate(int samplerate)
    {
        this.samplerate = samplerate;
    }

    public void setSize(long size)
    {
        this.size = size;
    }

    public String getCode()
    {
        return code;
    }

    public String getExtension()
    {
        return extension;
    }

    public String getResolution()
    {
        return resolution;
    }

    public String getNote()
    {
        return note;
    }

    @Override
    public String toString()
    {
        return "Format{" + "code=" + code + ", extension=" + extension + ", resolution=" + resolution + ", note=" + note + '}';
    }

    @Override
    public int hashCode()
    {
        int hash = 7;
        hash = 97 * hash + Objects.hashCode(this.extension);
        hash = 97 * hash + Objects.hashCode(this.resolution);
        hash = 97 * hash + (int) (this.size ^ (this.size >>> 32));
        hash = 97 * hash + this.samplerate;
        hash = 97 * hash + (this.audioOnly ? 1 : 0);
        return hash;
    }

    @Override
    public boolean equals(Object obj)
    {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        final Format other = (Format) obj;
        if (this.size != other.size)
            return false;
        if (this.samplerate != other.samplerate)
            return false;
        if (this.audioOnly != other.audioOnly)
            return false;
        if (!Objects.equals(this.code, other.code))
            return false;
        if (!Objects.equals(this.extension, other.extension))
            return false;
        if (!Objects.equals(this.resolution, other.resolution))
            return false;
        return true;
    }


}