package io.github.linwancen.plugin.show;

import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.openapi.actionSystem.CommonDataKeys;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.editor.Caret;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.ide.CopyPasteManager;
import com.intellij.openapi.progress.ProgressIndicator;
import com.intellij.openapi.progress.Task;
import com.intellij.openapi.project.DumbAwareAction;
import com.intellij.openapi.project.Project;
import io.github.linwancen.plugin.show.bean.FileInfo;
import io.github.linwancen.plugin.show.settings.ShowBundle;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.awt.datatransfer.StringSelection;

/**
 * on EditorPopupMenu
 */
public class LineEndCopy extends DumbAwareAction {

    private static final Logger LOG = LoggerFactory.getLogger(LineEndCopy.class);

    @Override
    public void update(@NotNull AnActionEvent e) {
        e.getPresentation().setText(ShowBundle.message("line.end.copy"));
    }

    @Override
    public void actionPerformed(@NotNull AnActionEvent event) {
        try {
            copyWithDoc(event);
        } catch (Throwable e) {
            LOG.info("LineEndCopy catch Throwable but log to record.", e);
        }
    }

    private void copyWithDoc(@NotNull AnActionEvent event) {
        @Nullable Project project = event.getProject();
        if (project == null) {
            return;
        }
        @Nullable FileInfo fileInfo = FileInfo.of(event);
        if (fileInfo == null) {
            return;
        }
        new Task.Backgroundable(project, "Show LineEndCopy " + fileInfo.file.getName()) {
            @Override
            public void run(@NotNull ProgressIndicator indicator) {
                ApplicationManager.getApplication().runReadAction(() -> {
                    int startLine = 0;
                    int endLine = fileInfo.document.getLineCount() - 1;
                    // if select
                    @Nullable Editor editor = event.getData(CommonDataKeys.EDITOR);
                    if (editor != null) {
                        @NotNull Caret primaryCaret = editor.getCaretModel().getPrimaryCaret();
                        int start = primaryCaret.getSelectionStart();
                        int end = primaryCaret.getSelectionEnd();
                        try {
                            startLine = fileInfo.document.getLineNumber(start);
                            endLine = fileInfo.document.getLineNumber(end);
                        } catch (Exception e) {
                            return;
                        }
                    }
                    LineEnd.textWithDoc(fileInfo, startLine, endLine, indicator, s -> {
                        @NotNull StringSelection content = new StringSelection(s);
                        CopyPasteManager.getInstance().setContents(content);
                    });
                });
            }
        }.queue();
    }
}