package jnpf.bizcommon.onlyoffice.service.impl;

import jnpf.base.UserInfo;
import org.springframework.stereotype.Component;
import java.util.LinkedHashMap;
import java.util.Map;

/** Dedicated ephemeral comparison scene. It cannot grant editing through the normal /config endpoint. */
@Component
public class DmsDocumentCompareConfigBuilder implements OnlyOfficeSceneConfigBuilder {
    public static final String SCENE = "dms-document-compare";
    public static final String KEY_PREFIX = "dms-compare-";

    @Override public String scene() { return SCENE; }
    @Override public String bizModule() { return SCENE; }
    @Override public boolean guardsBusinessContext() { return false; }
    @Override public OnlyOfficeSceneBuildPlan build(OnlyOfficeSceneBuildContext context) {
        return OnlyOfficeSceneBuildPlan.builder().editAdmission(() -> false).build();
    }

    @SuppressWarnings("unchecked")
    public Map<String, Object> comparisonConfig(String key, String title, String sourceUrl,
                                                String callbackUrl, UserInfo user) {
        Map<String, Object> permissions = OnlyOfficeUiConfig.previewPermissions();
        Map<String, Object> document = new LinkedHashMap<>();
        document.put("fileType", "docx");
        document.put("key", key);
        document.put("title", title);
        document.put("url", sourceUrl);
        document.put("permissions", permissions);
        // Inherit the current-file preview policy, then apply comparison-only overrides.
        Map<String, Object> customization = OnlyOfficeUiConfig.previewCustomization();
        customization.put("forcesave", false);
        Map<String, Object> review = (Map<String, Object>) customization.get("review");
        review.put("reviewDisplay", "markup");
        review.put("showReviewChanges", true);
        customization.put("close", Map.of("visible", false));
        Map<String, Object> editor = new LinkedHashMap<>();
        editor.put("mode", "view");
        editor.put("lang", "zh-CN");
        editor.put("user", Map.of("id", user.getUserId(), "name",
                user.getUserName() == null ? user.getUserId() : user.getUserName()));
        editor.put("callbackUrl", callbackUrl);
        editor.put("customization", customization);
        Map<String, Object> config = new LinkedHashMap<>();
        config.put("document", document);
        config.put("editorConfig", editor);
        config.put("documentType", "word");
        config.put("type", "desktop");
        config.put("width", "100%");
        config.put("height", "100%");
        return config;
    }
}