package io.github.applecommander.acx.fileutil;

import java.util.Date;
import java.util.Optional;

import com.webcodepro.applecommander.storage.DiskFullException;
import com.webcodepro.applecommander.storage.os.prodos.ProdosFileEntry;

public class ProdosFileEntryReaderWriter implements FileEntryReader, FileEntryWriter {
    private ProdosFileEntry fileEntry;
    
    public ProdosFileEntryReaderWriter(ProdosFileEntry fileEntry) {
        this.fileEntry = fileEntry;
    }
    
    @Override
    public Optional<String> getFilename() {
        return Optional.ofNullable(fileEntry.getFilename());
    }
    @Override
    public void setFilename(String filename) {
        fileEntry.setFilename(filename);
    }

    @Override
    public Optional<String> getProdosFiletype() {
        return Optional.ofNullable(fileEntry.getFiletype());
    }
    @Override
    public void setProdosFiletype(String filetype) {
        fileEntry.setFiletype(filetype);
    }
    
    @Override
    public Optional<Boolean> isLocked() {
        return Optional.ofNullable(fileEntry.isLocked());
    }
    @Override
    public void setLocked(boolean flag) {
        fileEntry.setLocked(flag);
    }
    
    @Override
    public Optional<byte[]> getFileData() {
        return Optional.ofNullable(fileEntry.getFileData());
    }
    @Override
    public void setFileData(byte[] data) {
        try {
            fileEntry.setFileData(data);
        } catch (DiskFullException e) {
            throw new RuntimeException(e);
        }
    }
    @Override
    public void setFileData(byte[] data, byte[] resource) {
        try {
            // If we have a resource fork in addition to a data fork,
            // then we've got a GSOS storage type $5. 
            fileEntry.setFileData(data, resource);
            fileEntry.setStorageType(0x05);
        } catch (DiskFullException e) {
            throw new RuntimeException(e);
        }
    }
    
    @Override
    public Optional<Integer> getBinaryAddress() {
        if (fileEntry.needsAddress()) {
            return Optional.ofNullable(fileEntry.getAuxiliaryType());
        }
        return Optional.empty();
    }
    @Override
    public void setBinaryAddress(int address) {
        if (fileEntry.needsAddress()) {
            fileEntry.setAddress(address);
        }
    }
    
    @Override
    public Optional<Integer> getBinaryLength() {
        return Optional.ofNullable(fileEntry.getSize());
    }
    @Override
    public void setBinaryLength(int length) {
        // Nothing to do
    }
    
    @Override
    public Optional<Integer> getAuxiliaryType() {
        return Optional.ofNullable(fileEntry.getAuxiliaryType());
    }
    @Override
    public void setAuxiliaryType(int auxType) {
        fileEntry.setAuxiliaryType(auxType);
    }
    
    @Override
    public Optional<Date> getCreationDate() {
        return Optional.ofNullable(fileEntry.getCreationDate());
    }
    @Override
    public void setCreationDate(Date date) {
        fileEntry.setCreationDate(date);
    }
    
    @Override
    public Optional<Date> getLastModificationDate() {
        return Optional.ofNullable(fileEntry.getLastModificationDate());
    }
    @Override
    public void setLastModificationDate(Date date) {
        fileEntry.setLastModificationDate(date);
    }
}