/**
    * @file manager.js
    * @brief Основной файл manager, отвечает за управление файлами
*/

movementMenu("managerDiv");
movementMenu("managerProperties");
    
/** @brief Элемент менеджера папок */
let managerDiv = document.getElementById('managerDiv');
managerData(currentPath);

/** @brief Основные кнопки и редактируемые поля в менеджере */
function managerFun() { 
   document.getElementById('managerCloseFun').onclick = function() { 
      managerDiv.style.visibility = "hidden";
   };
   document.getElementById('managerHistoryBackFun').onclick = function() {
      if (managerHistoryIndex > 0) {
         managerHistoryIndex--;
         managerData(managerHistoryPaths[managerHistoryIndex]);
      }
   };
   document.getElementById('managerHistoryForwFun').onclick = function() {
      if (managerHistoryIndex < managerHistoryPaths.length - 1) {
         managerHistoryIndex++;
         managerData(managerHistoryPaths[managerHistoryIndex]);
      }
   };
   document.getElementById('managerBackFun').onclick = function() {
      managerData(removeLastSegment(currentPath));
   };
   
   document.getElementById('managerSettingsCopy').onclick = function() {
      managerClipboard("copy", "{{copy}}");
   };
   document.getElementById('managerSettingsCut').onclick = function() {
      managerClipboard("cut", "{{cut}}");
   };
/**
    * @brief Выполняет операции с буфером (копирование/вставка/вырезание)
    * @param action действие: copy/cut
    * @param messageText текст сообщения
*/
function managerClipboard(action, messageText) {
    if (managerTableDivFilePath) {
        let textToCopy = managerTableDivFilePath + '|' + action;
        navigator.clipboard.writeText(textToCopy).then(() => {
            document.getElementById('managerSettings').style.visibility = "hidden";
        }).catch(err => {
            console.error('Ошибка копирования в буфер:', err);
        });
    } else {
        messageFunction("{{right_click_to_select_file}}");
    }
}

   
let managerSettingsInsertId = document.getElementById('managerSettingsInsert');
managerSettingsInsertId.onclick = function() {
    navigator.clipboard.readText().then(clipboardText => {
        let [clipboardPath, clipboardAction] = clipboardText.split('|');
        if (!clipboardPath || !clipboardAction) {
            messageFunction("{{right_click_to_select_file}}");
            return;
        }
        jsonrpcRequest("checkNameConflict", {
            name: clipboardPath,
            currentPath: currentPath
        }).then(response => {
            if (response == "true") {
                messageFunction("{{file_with_same_name_exists}}");
            } else {
                jsonrpcRequest("insertClipboard", {
                    managerSettingsInsert: currentPath,
                    clipboardPath: clipboardPath,
                    clipboardAction: clipboardAction
                }).then(response => {
                    if (response === "true") {
                        messageFunction("{{file_pasted_successfully}}");
                    } else {
                        let errorMessage = response.error ? response.error : "{{file_paste_unknown_error}}";
                        messageFunction("{{error}}: " + errorMessage);
                    }
                    managerData(currentPath);
                });
            }
        });
    }).catch(err => {
        console.error('Ошибка чтения из буфера:', err);
    });
};
   
   let managerSettingsRenameId = document.getElementById('managerSettingsRename');
   managerSettingsRenameId.onclick = async function() {
       if (managerTableDivFilePath) {
           let invalidCharacters = /[\/\\:*?"<>|]/;
           let managerTableDivFileName = managerTableDivFilePath.split(/[/\\]/).pop();
           messageQueue.push("{{enter_new_name}}");
           let title = await messageCreateInput(managerTableDivFileName || '');
           let isFolder = !/\./.test(managerTableDivFileName);
           if (title !== null) {
               if (title && !invalidCharacters.test(title) && (!isFolder || !title.includes('.'))) {
                   messageQueue.push("{{rename_confirm}} " + title + "?");
                   if (await messageCreateQuestion()) {
                       let data = await jsonrpcRequest("checkNameConflict", { name: title, currentPath: currentPath });
                       if (data == "true") {
                           messageFunction("{{file_with_same_name_exists}}");
                       } else {
                           let res = await jsonrpcRequest("renameFile", { managerSettingsRename: managerTableDivFilePath, managerNamePath: title });
                           if (res === "true") {
                               messageFunction("{{rename_success}}");
                           } else {
                               messageFunction("{{rename_error}}");
                           }
                           managerData(currentPath);
                       }
                   }
               } else {
                   messageFunction("{{invalid_name_error}}");
               }
           }
       } else {
           messageFunction("{{right_click_to_select_file}}");
       }
   };
   
   let managerSettingsDeleteId = document.getElementById('managerSettingsDelete');
   managerSettingsDeleteId.onclick = async function() {
       if (managerTableDivFilePath) {
           messageQueue.push("{{delete_confirm}}");
           if (await messageCreateQuestion()) {
               let response = await jsonrpcRequest("deleteFile", { managerSettingsDelete: managerTableDivFilePath });
               if (response === "true") {
                   messageFunction("{{delete_success}}");
               } else {
                   messageFunction("{{delete_error}}");
               }
               managerData(currentPath);
           }
       } else {
           messageFunction("{{right_click_to_select_file}}");
       }
   };
   
   document.getElementById('managerSettingsButtonCreateFolder').onclick = async function() {
       await createManagerItem("папка", "{{enter_new_folder_name}}", "{{invalid_folder_name}}", "{{folder_created_successfully}}");
   };
   document.getElementById('managerSettingsButtonCreateFile').onclick = async function() {
       await createManagerItem("файл", "{{enter_new_file_name}}", "{{invalid_file_name}}", "{{file_created_successfully}}");
   };
   
   async function createManagerItem(type, promptMessage, errorMessage, successMessage, nameSuffix = '') {
       messageQueue.push(promptMessage);
       let title = await messageCreateInput();
       if (title !== null) {
           let invalidCharacters = /[\/\\:*?"<>|]/;
           let isValidTitle = title && !invalidCharacters.test(title) && !title.startsWith('.') && !title.endsWith('.');
           if (type === "{{folder}}") {
               isValidTitle = isValidTitle && !title.includes('.');
           }
           if (isValidTitle) {
               title += nameSuffix;
               messageQueue.push("{{create}} " + type + " {{with_name}} " + title + "?");
               if (await messageCreateQuestion()) {
                   let data = await jsonrpcRequest("checkNameConflict", { name: title, currentPath: currentPath });
                   if (data == "true") {
                       messageFunction("{{file_with_same_name_exists}}!");
                   } else {
                       let response = await jsonrpcRequest("createFile", { managerSettingsCreate: title, managerType: type, managerNamePath: currentPath });
                        if (response === "true") {
                            messageFunction(successMessage);
                        } else if (response === "checkItemExists") {
                            messageFunction(type + " {{item_already_exists}}");
                        } else {
                            messageFunction("{{create_error}} " + type + "!");
                        }
                        managerData(currentPath);
                   }
               }
           } else {
               messageFunction(errorMessage);
           }
       }
   }   
   
   let managerSettingsPropertiesId = document.getElementById('managerSettingsProperties');
   managerSettingsPropertiesId.onclick = function() {
    document.getElementById('managerProperties').style.visibility = 'hidden';
      if (managerTableDivFilePath) {
        jsonrpcRequest("getFileProperties", { managerSettingsProperties: managerTableDivFilePath }).then(data => {
            let managerPropertiesId = document.getElementById('managerProperties');
            let managerPropertiesDivId = document.getElementById('managerPropertiesDiv');
            let managerPropertiesTopNameId = document.getElementById('managerPropertiesTopName');
            let managerPropertiesWindowPropertiesId = document.getElementById('managerPropertiesWindowProperties');
            let managerPropertiesWindowRightsId = document.getElementById('managerPropertiesWindowRights');
        
            let tableProperties = document.createElement('table');
            tableProperties.style.width = "100%";
        
            data.forEach(item => {
                let row = document.createElement('tr');
                let labelCell = document.createElement('td');
                let valueCell = document.createElement('td');
                labelCell.className = 'managerPropertiesDivDivs';
                valueCell.className = 'managerPropertiesDivDivs';
                labelCell.textContent = item.label;
                valueCell.textContent = item.value;
                row.appendChild(labelCell);
                row.appendChild(valueCell);
                tableProperties.appendChild(row);
            });
        
            let tableRights = document.createElement('div');
            tableRights.innerHTML = "{{no_rights_yet}}";
        
            managerPropertiesTopNameId.textContent = "{{properties}} " + data[0].value;
            managerPropertiesDivId.innerHTML = '';
        
            managerPropertiesWindowPropertiesId.onclick = function() {
                managerPropertiesDivId.innerHTML = '';
                managerPropertiesDivId.appendChild(tableProperties);
                managerPropertiesWindowPropertiesId.style.backgroundColor = "#f3f3f3";
                managerPropertiesWindowRightsId.style.backgroundColor = "";
            };
        
            managerPropertiesWindowRightsId.onclick = function() {
                managerPropertiesDivId.innerHTML = '';
                managerPropertiesDivId.appendChild(tableRights);
                managerPropertiesWindowPropertiesId.style.backgroundColor = "";
                managerPropertiesWindowRightsId.style.backgroundColor = "#f3f3f3";
            };
        
            managerPropertiesWindowPropertiesId.click();
        
            if (managerPropertiesId.style.visibility == 'hidden') {
                managerPropertiesId.style.visibility = 'visible';
            }
        
            let managerPropertiesTopCloseId = document.getElementById('managerPropertiesTopClose');
            let managerPropertiesDivButtonOkId = document.getElementById('managerPropertiesDivButtonOk');
            let managerPropertiesDivButtonCancelId = document.getElementById('managerPropertiesDivButtonCancel');
        
            managerPropertiesTopCloseId.onclick = function() {
                managerPropertiesId.style.visibility = 'hidden';
            };
            managerPropertiesDivButtonOkId.onclick = function() {
                managerPropertiesId.style.visibility = 'hidden';
            };
            managerPropertiesDivButtonCancelId.onclick = function() {
                managerPropertiesId.style.visibility = 'hidden';
            };
        });
      } else {
         messageFunction("{{right_click_to_select_file}}");
      }
   };
   
   //загрузка файла для менеджера
   let managerSettingsLoadId = document.getElementById('managerSettingsLoad');
   managerSettingsLoadId.onclick = function() {
      let fileInput = document.createElement('input');
      fileInput.type = 'file';
      fileInput.addEventListener('change', function() {

        jsonrpcRequest("checkNameConflict", { name: fileInput.files[0].name, currentPath: currentPath }).then(data => {
            if (data == "true") {
                messageFunction("{{file_with_same_name_exists}}")
            } else {
                const file = fileInput.files[0];
                const reader = new FileReader();
                reader.onload = function() {
                    const base64Data = reader.result.split(',')[1];
                    jsonrpcRequest("uploadFile", {
                        fileName: file.name,
                        fileData: base64Data,
                        pathLoad: currentPath
                    }).then(response => {
                        messageFunction("{{file_uploaded_successfully}}")
                        managerData(currentPath)
                    }).catch(() => {
                        messageFunction("{{file_with_same_name_exists}}")
                    })
                };
                reader.readAsDataURL(file);
            }
        });  

      });
      fileInput.click();
   };   
}

/** @brief Удаляет последний сегмент пути */
function removeLastSegment(str) { 
   const segments = str.split('/');
   if (segments.length > 1) {
      segments.pop();
   }
   return segments.join('/');
}

/** @brief Инициализация окна настроек менеджера */
function managerSettings() {
    let managerDiv = document.getElementById('managerDiv');
    let managerSettingsDiv = document.getElementById('managerSettings');

    managerDiv.addEventListener('contextmenu', managerSettingsClick);
    touchLong(managerDiv, managerSettingsClick);
}

/**
    * @brief Обрабатывает клик правой кнопкой мыши для показа настроек
    * @param event событие мыши
*/
function managerSettingsClick(event) {
    event.preventDefault();
    let managerSettingsDiv = document.getElementById('managerSettings');
    if (!isPhone) {
        managerSettingsDiv.style.left = `${touchX}px`;
        managerSettingsDiv.style.top = `${touchY}px`;
    } else {
        managerSettingsDiv.style.bottom = '15px';
        managerSettingsDiv.style.width = 'calc(100vw - 42px)';
        managerSettingsDiv.style.height = '42px';
        managerSettingsDiv.style.left = '15px';
        managerSettingsDiv.style.top = 'auto';
        managerSettingsDiv.style.boxShadow = 'none';
    }

    let ids = [
        'managerSettingsCopy',
        'managerSettingsCut',
        'managerSettingsRename',
        'managerSettingsDelete',
        'managerSettingsProperties',
        'managerSettingsLoad',
        'managerSettingsInsert',
        'managerSettingsButtonCreateFolder',
        'managerSettingsButtonCreateFile'
    ];
    ids.forEach(id => {
        let el = document.getElementById(id);
        if (el) {
            if (el.dataset.oldDisplay === undefined) {
                el.dataset.oldDisplay = getComputedStyle(el).display;
            }
            el.style.display = 'none';
        }
    });

    if (event.target.closest('.managerTableDivFile')) {
        ['managerSettingsCopy','managerSettingsCut','managerSettingsRename','managerSettingsDelete','managerSettingsProperties']
        .forEach(id => {
            let el = document.getElementById(id);
            el.style.display = el.dataset.oldDisplay;
        });
    } else {
        document.getElementById('managerSettingsLoad').style.display = document.getElementById('managerSettingsLoad').dataset.oldDisplay;
navigator.clipboard.readText().then(text => {
    if (text) {
        let parts = text.split('|');
        if (parts.length === 2 && parts[0].trim() !== '' && parts[1].trim() !== '') {
            let el = document.getElementById('managerSettingsInsert');
            el.style.display = el.dataset.oldDisplay;
        }
    }
}).catch(err => {
    console.error('Ошибка чтения буфера:', err);
});

        
        ['managerSettingsButtonCreateFolder','managerSettingsButtonCreateFile']
        .forEach(id => {
            let el = document.getElementById(id);
            el.style.display = el.dataset.oldDisplay;
        });
    }

    managerSettingsDiv.style.visibility = 'visible';
    document.addEventListener('pointerdown', function hideMenu(e) {
        if (!managerSettingsDiv.contains(e.target)) {
            managerSettingsDiv.style.visibility = 'hidden';
            document.removeEventListener('pointerdown', hideMenu);
        }
    });
}

/**
    * @brief Обрабатывает контекстное меню пути
    * @param event событие контекстного меню
*/
function managerPathContext(event){
    let targetElement=event.target.closest('[path]')
    if(targetElement){
        let pathValue=targetElement.getAttribute('path')
        managerTableDivFilePath=pathValue
    }
}
document.addEventListener('contextmenu',managerPathContext)
touchLong(document, managerPathContext)

/** @brief Сохраняет файл через функцию "Сохранить как" */
function saveHow() {
   let currentPathHow = currentPath;
   if (currentPathHow.startsWith('/')) {
      currentPathHow = currentPathHow.slice(1);
   }
   if (!currentPathHow.endsWith('/')) {
      currentPathHow += '/';
   }
   window.saveContentIdHow(currentPathHow);
}

/** @brief Открывает выбранную страницу */
function openPageBut() {
   if (openPageButPath != "no/Select") {
      getPage(openPageButPath);   
   } else {
      messageFunction('{{select_file_ending_with_page_php}}');
   }
}

/** @brief Обрабатывает выбор страницы через URL */
function propertiesUrlFun() {
   let saveHowNameValue = document.getElementById('saveHowName').value;
   if (!saveHowNameValue.includes('.page.php')) return;
   let newValue = saveHowNameValue.replace(/\.page\.php/, "");
   let cp = currentPath;
   if (cp.charAt(0) === "/") {
      cp = cp.substring(1);
   }
   document.getElementById('treePropertiesDivUrlValue').innerHTML = cp + "/" + newValue;
   window.managerDataAction = "";
   managerDiv.style.visibility = "hidden";
}

/** @brief Обрабатывает выбор изображения для вставки */
function selectImgFormButFun() {
    var rawPath = document.getElementById('managerPath').textContent;
    var cleanPath = rawPath.trim().replace(/\s*\/\s*/g, '/').replace(/\s+/g, '');
    var fileName = document.getElementById('saveHowName').value.trim();
    var fullPath = cleanPath + fileName;
    if (fullPath.startsWith('/')) {
        fullPath = fullPath.slice(1);
    }
    var img = document.createElement("img");
    img.src = fullPath;
    img.setAttribute("style", "float: left; margin: 10px; width: 250px; border: 0px solid rgb(0, 0, 0); overflow: hidden;");
    var sel = window.getSelection();
    if (sel.rangeCount) {
        var range = sel.getRangeAt(0);
        range.deleteContents();
        range.insertNode(img);
    }
    window.managerDataAction = "";
    managerDiv.style.visibility = "hidden";
}

/** @brief Обрабатывает выбор изображения для вставки в форму */
function selectImgFormToFormButFun() {
    var rawPath = document.getElementById('managerPath').textContent;
    var cleanPath = rawPath.trim().replace(/\s*\/\s*/g, '/').replace(/\s+/g, '');
    var fileName = document.getElementById('saveHowName').value.trim();
    var fullPath = cleanPath + fileName;
    if (fullPath.startsWith('/')) fullPath = fullPath.slice(1);
    window.pendingImageSrc = fullPath;
    window.managerDataAction = "";
    managerDiv.style.visibility = "hidden";
}

if (isPhone) document.getElementById('managerDiv').style.paddingBottom = "150px"
if (!isPhone) {
    document.querySelectorAll('.managerSettingsButtons').forEach(btn=>{
        btn.style.backgroundColor='rgba(255, 255, 255, 1)'
        btn.style.borderRadius='5px'
        btn.style.padding='2px'
        btn.style.margin='3px'
        btn.style.cursor='pointer'
        btn.style.display='block'
        btn.addEventListener('mouseover',()=>btn.style.color='#787878')
        btn.addEventListener('mouseout',()=>btn.style.color='')
    })
} else {
    document.querySelectorAll('.managerSettingsButtons').forEach(btn=>{
        btn.style.backgroundImage='url(../../img/pict/b_iconslyb.svg)'
        btn.style.height='42px'
        btn.style.minWidth='42px'
        btn.style.setProperty('background-size','calc(1122px* 1.5)','important')
        btn.style.display='inline-block'
        btn.style.borderRadius='5px'
        btn.style.cursor='pointer'
        btn.style.display='flex'
        btn.style.flexDirection='column'
        btn.style.alignItems='center'
        btn.style.fontSize='10px'
        btn.style.lineHeight='1'
        btn.style.justifyContent = 'flex-end'
        btn.style.top='2px'
        btn.style.position = 'relative'
        btn.style.width = 'auto'
    })
    let wrap = document.getElementById('managerSettings')
    wrap.style.display = 'flex'
    wrap.style.maxWidth = '-webkit-fill-available'
    wrap.style.overflowX = 'auto'
    wrap.style.overflowY = 'hidden' 
    wrap.style.justifyContent = 'center' 
    let div = document.getElementById('managerSettingsDiv')
    div.style.height = '-webkit-fill-available'
    div.style.display = 'inline-flex'
    div.style.whiteSpace = 'nowrap'
    div.style.width = 'max-content'
    div.style.gap = '7px'
    div.style.alignItems = 'center'
}

window.managerSettings = managerSettings;
window.managerFun = managerFun;
window.saveHow = saveHow;
window.openPageBut = openPageBut;
window.propertiesUrlFun = propertiesUrlFun;
window.selectImgFormButFun = selectImgFormButFun;
window.selectImgFormToFormButFun = selectImgFormToFormButFun;