/*
 * Copyright 2025 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.hbasesoft.framework.ai.agent.tool.browser.actions;

import com.hbasesoft.framework.ai.agent.tool.ToolExecuteResult;
import com.hbasesoft.framework.ai.agent.tool.browser.BrowserUseTool;
import com.hbasesoft.framework.ai.agent.tool.browser.InteractiveElement;
import com.microsoft.playwright.Locator;
import com.microsoft.playwright.Page;

public class InputTextAction extends BrowserAction {

    public InputTextAction(BrowserUseTool browserUseTool) {
        super(browserUseTool);
    }

    @Override
    public ToolExecuteResult execute(BrowserRequestVO request) throws Exception {
        Integer index = request.getIndex();
        String text = request.getText();

        Page page = getCurrentPage(); // Get Playwright Page instance
        if (index == null || text == null) {
            return new ToolExecuteResult("Index and text are required for 'input_text' action");
        }

        // Get interactive elements (InteractiveElement), supports all frames (including
        // iframe)
        // Already supports recursion frame
        InteractiveElement inputElement = getInteractiveElement(index);
        if (inputElement == null) {
            return new ToolExecuteResult("Element with index " + index + " not found");
        }
        String tagName = inputElement.getTagName();
        if (!"input".equals(tagName) && !"textarea".equals(tagName)) {
            return new ToolExecuteResult("Element at index " + index + " is not an input element");
        }
        // Get element locator
        Locator elementLocator = inputElement.getLocator();
        // 3. Try fill
        try {
            elementLocator.fill(""); // Clear first
            // Set character input delay to 100ms, adjustable as needed
            Locator.PressSequentiallyOptions options = new Locator.PressSequentiallyOptions().setDelay(100);
            elementLocator.pressSequentially(text, options);
        }
        catch (Exception e) {
            // 4. If fill fails, try pressSequentially
            try {
                elementLocator.fill(""); // Clear again
                elementLocator.fill(text); // Direct fill
            }
            catch (Exception e2) {
                // 5. If still fails, use JS assignment and trigger input event
                try {
                    elementLocator.evaluate(
                        "(el, value) => { el.value = value; el.dispatchEvent(new Event('input', { bubbles: true })); }",
                        text);
                }
                catch (Exception e3) {
                    return new ToolExecuteResult("Input failed: " + e3.getMessage());
                }
            }
        }
        return new ToolExecuteResult(
            "Successfully input: '" + text + "' to the specified element with index: " + index);
    }

}
