/**
 * @fileoverview Contacts Bulk Operations, Range Selector & File Import/Export Controller
 * @module controllers/contacts-bulk-controller
 * @description وحدة التحكم في العمليات الجماعية للعملاء، التحديد بالنطاق الرقمي، واستيراد وتصدير الملفات.
 */

(global => {
    'use strict';

    /**
     * تنظيف وتنسيق رقم الهاتف
     * @param {string} phone 
     * @returns {string}
     */
    function normalizePhone(phone) {
        if (global.FritreeContactsResolver && typeof global.FritreeContactsResolver.normalize === 'function') {
            return global.FritreeContactsResolver.normalize(phone);
        }
        return phone ? String(phone).replace(/[^0-9+]/g, '') : '';
    }

    /**
     * تنزيل محتوى كملف في المتصفح
     * @param {string} content 
     * @param {string} type 
     * @param {string} filename 
     */
    function downloadBlob(content, type, filename) {
        const blob = new Blob([content], { type });
        const url = URL.createObjectURL(blob);
        const a = document.createElement('a');
        a.href = url;
        a.download = filename;
        a.click();
        URL.revokeObjectURL(url);
    }

    /**
     * وحدة العمليات الجماعية واستيراد/تصدير جهات الاتصال
     */
    const BulkActionsEngine = {
        /**
         * تحليل وقراءة ملفات vCard (.vcf)
         * @param {string} vcardText 
         * @returns {Array<Object>}
         */
        parseVCard: function(vcardText) {
            const parsedContacts = [];
            if (!vcardText) return parsedContacts;

            const vcardBlocks = vcardText.split(/END:VCARD/i);
            vcardBlocks.forEach(block => {
                if (!block.includes('BEGIN:VCARD')) return;
                let fullName = '';
                let phones = [];
                let email = '';
                let company = '';
                let jobTitle = '';
                let note = '';

                const lines = block.split(/\r?\n/);
                lines.forEach(line => {
                    const trimmed = line.trim();
                    if (!trimmed) return;

                    if (trimmed.toUpperCase().startsWith('FN:') || trimmed.toUpperCase().startsWith('FN;')) {
                        fullName = trimmed.substring(trimmed.indexOf(':') + 1).trim();
                    } else if (!fullName && (trimmed.toUpperCase().startsWith('N:') || trimmed.toUpperCase().startsWith('N;'))) {
                        const rawN = trimmed.substring(trimmed.indexOf(':') + 1).trim();
                        const nParts = rawN.split(';');
                        fullName = ((nParts[1] ? nParts[1] + ' ' : '') + (nParts[0] || '')).trim();
                    } else if (trimmed.toUpperCase().startsWith('TEL') || trimmed.toUpperCase().includes('TEL;')) {
                        const phoneVal = trimmed.substring(trimmed.indexOf(':') + 1).trim();
                        const norm = normalizePhone(phoneVal);
                        if (norm && norm.length >= 7) {
                            phones.push({ phone: norm, type: 'mobile' });
                        }
                    } else if (trimmed.toUpperCase().startsWith('EMAIL')) {
                        email = trimmed.substring(trimmed.indexOf(':') + 1).trim();
                    } else if (trimmed.toUpperCase().startsWith('ORG:')) {
                        company = trimmed.substring(trimmed.indexOf(':') + 1).replace(/;/g, ' ').trim();
                    } else if (trimmed.toUpperCase().startsWith('TITLE:')) {
                        jobTitle = trimmed.substring(trimmed.indexOf(':') + 1).trim();
                    } else if (trimmed.toUpperCase().startsWith('NOTE:')) {
                        note = trimmed.substring(trimmed.indexOf(':') + 1).trim();
                    }
                });

                if (phones.length > 0) {
                    parsedContacts.push({
                        phone: phones[0].phone,
                        altPhones: phones.slice(1),
                        name: fullName || 'جهة اتصال vCard',
                        email: email,
                        company: company,
                        jobTitle: jobTitle,
                        lifecycle: 'lead',
                        priority: 'medium',
                        source: 'import',
                        notes: note,
                        tags: ['vCard_Import']
                    });
                }
            });
            return parsedContacts;
        },

        /**
         * تحليل وقراءة ملفات Google Contacts CSV القياسية
         * @param {string} csvText 
         * @returns {Array<Object>}
         */
        parseGoogleCSV: function(csvText) {
            const parsedContacts = [];
            if (!csvText) return parsedContacts;

            const lines = csvText.split(/\r?\n/);
            if (lines.length < 2) return parsedContacts;

            const parseCSVLine = (textLine) => {
                const arr = [];
                let quote = false;
                let col = '';
                for (let c = 0; c < textLine.length; c++) {
                    const cc = textLine[c];
                    if (cc === '"') {
                        quote = !quote;
                    } else if (cc === ',' && !quote) {
                        arr.push(col.trim().replace(/^"|"$/g, ''));
                        col = '';
                    } else {
                        col += cc;
                    }
                }
                arr.push(col.trim().replace(/^"|"$/g, ''));
                return arr;
            };

            const headers = parseCSVLine(lines[0]).map(h => h.toLowerCase());
            const nameIdx = headers.findIndex(h => h.includes('name') && !h.includes('given') && !h.includes('family'));
            const givenNameIdx = headers.findIndex(h => h.includes('given name'));
            const familyNameIdx = headers.findIndex(h => h.includes('family name'));

            const phoneIndices = [];
            headers.forEach((h, i) => {
                if (h.includes('phone') || h.includes('mobile') || h.includes('cellular') || h === 'value') {
                    phoneIndices.push(i);
                }
            });

            const emailIdx = headers.findIndex(h => h.includes('email') || h.includes('e-mail'));
            const orgIdx = headers.findIndex(h => h.includes('organization') || h.includes('company'));
            const titleIdx = headers.findIndex(h => h.includes('title'));
            const groupIdx = headers.findIndex(h => h.includes('group') || h.includes('membership'));

            for (let i = 1; i < lines.length; i++) {
                if (!lines[i].trim()) continue;
                const row = parseCSVLine(lines[i]);
                let contactName = '';

                if (nameIdx !== -1 && row[nameIdx]) {
                    contactName = row[nameIdx];
                } else {
                    const gName = givenNameIdx !== -1 ? row[givenNameIdx] || '' : '';
                    const fName = familyNameIdx !== -1 ? row[familyNameIdx] || '' : '';
                    contactName = (gName + ' ' + fName).trim();
                }

                const emailVal = emailIdx !== -1 ? row[emailIdx] || '' : '';
                const companyVal = orgIdx !== -1 ? row[orgIdx] || '' : '';
                const jobTitleVal = titleIdx !== -1 ? row[titleIdx] || '' : '';
                const rawGroups = groupIdx !== -1 ? row[groupIdx] || '' : '';

                const tagsList = ['Google_CSV'];
                if (rawGroups) {
                    rawGroups.split(':::').forEach(g => {
                        const cleanG = g.replace('* myContacts', '').replace('* My Contacts', '').trim();
                        if (cleanG) tagsList.push(cleanG);
                    });
                }

                const extractedPhones = [];
                phoneIndices.forEach(pIdx => {
                    const rawPhone = row[pIdx];
                    if (rawPhone) {
                        const normPhone = normalizePhone(rawPhone);
                        if (normPhone && normPhone.length >= 7 && !extractedPhones.includes(normPhone)) {
                            extractedPhones.push(normPhone);
                        }
                    }
                });

                if (extractedPhones.length > 0) {
                    parsedContacts.push({
                        phone: extractedPhones[0],
                        altPhones: extractedPhones.slice(1).map(p => ({ phone: p, type: 'work' })),
                        name: contactName || 'عميل جوجل',
                        email: emailVal,
                        company: companyVal,
                        jobTitle: jobTitleVal,
                        lifecycle: 'lead',
                        priority: 'medium',
                        source: 'import',
                        notes: 'تم الاستيراد من Google Contacts',
                        tags: Array.from(new Set(tagsList))
                    });
                }
            }
            return parsedContacts;
        },

        /**
         * معالجة استيراد الملفات (vCard / CSV / TXT)
         * @param {File} file 
         */
        processImportFile: async function(file) {
            if (!file) return;
            const reader = new FileReader();

            reader.onload = async (e) => {
                const content = e.target.result;
                let imported = [];

                if (file.name.endsWith('.vcf') || content.includes('BEGIN:VCARD')) {
                    imported = this.parseVCard(content);
                } else if (file.name.endsWith('.csv') && (content.includes('Given Name') || content.includes('Group Membership') || content.includes('Phone 1'))) {
                    imported = this.parseGoogleCSV(content);
                } else {
                    const lines = content.split(/\r?\n/);
                    lines.forEach(line => {
                        if (!line.trim()) return;
                        const parts = line.split(',');
                        const rawPhone = parts[0] ? parts[0].trim().replace(/[^0-9+]/g, '') : '';
                        const rawName = parts[1] ? parts[1].trim() : 'المستلم';

                        if (rawPhone.length >= 7) {
                            imported.push({
                                phone: normalizePhone(rawPhone),
                                name: rawName,
                                tags: ['CSV_Import']
                            });
                        }
                    });
                }

                if (imported.length > 0) {
                    const core = global.FritreeContacts;
                    if (!core || !core.state) return;
                    const state = core.state;
                    let addCount = 0;

                    imported.forEach(imp => {
                        const normP = normalizePhone(imp.phone);
                        const exists = state.contacts.some(c => normalizePhone(c.phone) === normP);

                        if (!exists && normP) {
                            state.contacts.unshift({
                                id: 'cnt_' + Date.now() + '_' + Math.random().toString(36).substr(2, 4),
                                name: imp.name || 'المستلم',
                                phone: normP,
                                altPhones: imp.altPhones || [],
                                email: imp.email || '',
                                company: imp.company || '',
                                jobTitle: imp.jobTitle || '',
                                lifecycle: imp.lifecycle || 'lead',
                                priority: 'medium',
                                source: 'import',
                                tags: imp.tags || ['Imported'],
                                notes: imp.notes || '',
                                blacklisted: false,
                                createdAt: new Date().toISOString()
                            });
                            addCount++;
                        }
                    });

                    await core.save();
                    core.refreshUI();
                    const modalImport = document.getElementById('gpifk7jnfx');
                    if (modalImport) modalImport.style.display = 'none';

                    alert(`تم استيراد [${addCount.toLocaleString('en-US')}] جهة اتصال جديدة بنجاح!`);
                } else {
                    alert('ملقتش أرقام موبايل صالحة جوه الملف ده.');
                }
            };
            reader.readAsText(file);
        },

        /**
         * تصدير جهات الاتصال بصيغ متعددة
         * @param {string} format ('vcf' | 'google_csv' | 'csv' | 'json')
         * @param {Array<Object>} contactsList 
         */
        exportToFile: function(format = 'vcf', contactsList = []) {
            if (!Array.isArray(contactsList) || contactsList.length === 0) {
                alert('لا توجد جهات اتصال متاحة للتصدير.');
                return;
            }

            const filename = `جهات_اتصال_فريتري_${new Date().toISOString().slice(0, 10)}`;

            if (format === 'vcf') {
                let vcfText = '';
                contactsList.forEach(c => {
                    vcfText += 'BEGIN:VCARD\r\nVERSION:3.0\r\n';
                    vcfText += `FN:${c.name || 'عميل'}\r\n`;
                    vcfText += `TEL;TYPE=CELL:${c.phone}\r\n`;
                    if (c.altPhones && Array.isArray(c.altPhones)) {
                        c.altPhones.forEach(ap => {
                            const pVal = typeof ap === 'object' ? ap.phone : ap;
                            vcfText += `TEL;TYPE=WORK:${pVal}\r\n`;
                        });
                    }
                    if (c.email) vcfText += `EMAIL:${c.email}\r\n`;
                    if (c.company) vcfText += `ORG:${c.company}\r\n`;
                    if (c.jobTitle) vcfText += `TITLE:${c.jobTitle}\r\n`;
                    if (c.notes) vcfText += `NOTE:${c.notes}\r\n`;
                    vcfText += 'END:VCARD\r\n';
                });
                downloadBlob(vcfText, 'text/vcard;charset=utf-8;', `${filename}.vcf`);
            } else if (format === 'google_csv') {
                let csv = '\ufeffName,Given Name,Family Name,Group Membership,Phone 1 - Type,Phone 1 - Value,E-mail 1 - Value,Organization 1 - Name,Organization 1 - Title,Notes\n';
                contactsList.forEach(c => {
                    const groupStr = (c.tags || []).join(' ::: ');
                    csv += `"${c.name || ''}","${c.name || ''}","","${groupStr}","Mobile","${c.phone || ''}","${c.email || ''}","${c.company || ''}","${c.jobTitle || ''}","${(c.notes || '').replace(/"/g, '""')}"\n`;
                });
                downloadBlob(csv, 'text/csv;charset=utf-8;', `${filename}_Google.csv`);
            } else if (format === 'csv') {
                let csv = '\ufeffالاسم,رقم الهاتف,الشركة,المسمى الوظيفي,مرحلة المبيعات,البريد الإلكتروني,الوسوم,الملاحظات\n';
                contactsList.forEach(c => {
                    csv += `"${c.name || ''}","${c.phone || ''}","${c.company || ''}","${c.jobTitle || ''}","${c.lifecycle || 'lead'}","${c.email || ''}","${(c.tags || []).join(', ')}","${(c.notes || '').replace(/"/g, '""')}"\n`;
                });
                downloadBlob(csv, 'text/csv;charset=utf-8;', `${filename}.csv`);
            } else if (format === 'json') {
                downloadBlob(JSON.stringify(contactsList, null, 2), 'application/json;charset=utf-8;', `${filename}.json`);
            }
        },

        /**
         * دمج وإزالة جهات الاتصال المكررة بناءً على رقم الهاتف
         */
        deduplicate: async function() {
            const core = global.FritreeContacts;
            if (!core || !core.state) return;
            const state = core.state;

            const map = new Map();
            let dedupCount = 0;

            state.contacts.forEach(c => {
                const norm = normalizePhone(c.phone);
                if (map.has(norm)) {
                    const existing = map.get(norm);
                    if (c.name && c.name !== 'المستلم' && existing.name === 'المستلم') {
                        existing.name = c.name;
                    }
                    existing.tags = Array.from(new Set([...(existing.tags || []), ...(c.tags || [])]));
                    if (c.notes && !existing.notes.includes(c.notes)) {
                        existing.notes = (existing.notes ? existing.notes + ' | ' : '') + c.notes;
                    }
                    dedupCount++;
                } else {
                    map.set(norm, { ...c, phone: norm });
                }
            });

            state.contacts = Array.from(map.values());
            await core.save();
            core.refreshUI();
            alert(`تم دمج وإزالة [${dedupCount.toLocaleString('en-US')}] جهة اتصال مكررة بنجاح!`);
        },

        /**
         * مسح كامل جهات الاتصال
         */
        clearAll: async function() {
            if (confirm('تنبيه: هل أنت متأكد إنك عايز تمسح كل جهات الاتصال؟ الإجراء ده ما ينفعش تتراجع عنه!')) {
                const core = global.FritreeContacts;
                if (!core || !core.state) return;
                core.state.contacts = [];
                core.state.selectedContactIds.clear();
                await core.save();
                core.refreshUI();
            }
        },

        /**
         * تطبيق التحديد بالنطاق الرقمي (Range Selector Engine)
         */
        applyRangeSelection: function() {
            const core = global.FritreeContacts;
            if (!core || !core.state) return;
            const state = core.state;

            const fromInput = document.getElementById('rv2zopf0tb');
            const toInput = document.getElementById('wll7mokn3p');
            const infoText = document.getElementById('wsbcxjitau');
            const clearBtn = document.getElementById('b7ab0plbsx');

            const displayedList = state.currentlyDisplayedContacts || state.contacts || [];
            const totalDisplayed = displayedList.length;

            if (totalDisplayed === 0) {
                alert('مفيش جهات اتصال معروضة عشان تحدد نطاق منها.');
                return;
            }

            let fromNum = parseInt(fromInput?.value, 10);
            let toNum = parseInt(toInput?.value, 10);

            if (isNaN(fromNum) || isNaN(toNum)) {
                alert('اكتب رقم البداية ورقم النهاية عشان تحدد النطاق (مثال: من 51 إلى 78).');
                return;
            }

            if (fromNum < 1) fromNum = 1;
            if (toNum > totalDisplayed) toNum = totalDisplayed;

            if (fromNum > toNum) {
                alert(`رقم البداية (${fromNum}) لازم يكون أصغر من أو بيساوي رقم النهاية (${toNum}).`);
                return;
            }

            state.selectedContactIds.clear();
            let selectedCount = 0;

            for (let idx = fromNum - 1; idx < toNum; idx++) {
                if (displayedList[idx]) {
                    state.selectedContactIds.add(displayedList[idx].id);
                    selectedCount++;
                }
            }

            core.refreshUI();
            if (clearBtn) clearBtn.style.display = 'inline-flex';
            if (infoText) {
                infoText.textContent = `تم تحديد ${selectedCount.toLocaleString('en-US')} جهة اتصال (من رقم #${fromNum} إلى #${toNum})`;
            }

            if (typeof window.addLog === 'function') {
                window.addLog(`تحديد النطاق: تم تحديد [${selectedCount.toLocaleString('en-US')}] جهة اتصال من رقم #${fromNum} إلى #${toNum}.`, 'success');
            }
        },

        /**
         * إلغاء التحديد بالنطاق الرقمي
         */
        clearRangeSelection: function() {
            const core = global.FritreeContacts;
            if (!core || !core.state) return;
            const state = core.state;

            const fromInput = document.getElementById('rv2zopf0tb');
            const toInput = document.getElementById('wll7mokn3p');
            const infoText = document.getElementById('wsbcxjitau');
            const clearBtn = document.getElementById('b7ab0plbsx');

            if (fromInput) fromInput.value = '';
            if (toInput) toInput.value = '';
            if (clearBtn) clearBtn.style.display = 'none';

            state.selectedContactIds.clear();
            core.refreshUI();

            const totalDisplayed = (state.currentlyDisplayedContacts || state.contacts || []).length;
            if (infoText) {
                infoText.textContent = `إجمالي المعروض دلوقتي: ${totalDisplayed.toLocaleString('en-US')} جهة اتصال (من 1 إلى ${totalDisplayed.toLocaleString('en-US')})`;
            }
        },

        /**
         * ربط أحداث العمليات الجماعية
         */
        bindEvents: function() {
            const core = global.FritreeContacts;
            if (!core || !core.state) return;
            const state = core.state;

            const btnImportModal = document.getElementById('e2rtgyindd');
            const btnCloseImport = document.getElementById('nx0cpoqxzw');
            const btnExportModal = document.getElementById('nxybir7u8r');
            const btnCloseExport = document.getElementById('has3vfwumz');
            const btnExecExport = document.getElementById('nah2wji7pd');
            const btnDedup = document.getElementById('cdykxxbjv2');
            const btnClearAll = document.getElementById('k7qyxs7zru');
            const btnBulkDelete = document.getElementById('xt7egwiac3');
            const btnBulkTag = document.getElementById('bfywn3ymkh');
            const btnBulkUntag = document.getElementById('vfn8iv8lzf');
            const btnBulkBlacklist = document.getElementById('jik3jfr08m');
            const btnBulkUnblacklist = document.getElementById('amfm0v8cs5');
            const btnBulkExport = document.getElementById('ygdgkhes7r');
            const btnBulkSendWA = document.getElementById('ybvs0y4u4q');
            const btnApplyRange = document.getElementById('zc5zjdewes');
            const btnClearRange = document.getElementById('b7ab0plbsx');
            const rangeFromInput = document.getElementById('rv2zopf0tb');
            const rangeToInput = document.getElementById('wll7mokn3p');

            if (btnApplyRange) btnApplyRange.onclick = () => this.applyRangeSelection();
            if (btnClearRange) btnClearRange.onclick = () => this.clearRangeSelection();

            if (rangeFromInput && rangeToInput) {
                const handleEnter = (e) => { if (e.key === 'Enter') this.applyRangeSelection(); };
                rangeFromInput.onkeydown = handleEnter;
                rangeToInput.onkeydown = handleEnter;
            }

            if (btnImportModal) btnImportModal.onclick = () => document.getElementById('gpifk7jnfx').style.display = 'flex';
            if (btnCloseImport) btnCloseImport.onclick = () => document.getElementById('gpifk7jnfx').style.display = 'none';
            if (btnExportModal) btnExportModal.onclick = () => document.getElementById('rbqob9x718').style.display = 'flex';
            if (btnCloseExport) btnCloseExport.onclick = () => document.getElementById('rbqob9x718').style.display = 'none';

            if (btnExecExport) {
                btnExecExport.onclick = () => {
                    const fmt = document.getElementById('nealj97cx2').value;
                    this.exportToFile(fmt, state.contacts);
                    document.getElementById('rbqob9x718').style.display = 'none';
                };
            }

            const dropzone = document.getElementById('h525b2cyd0');
            const fileinput = document.getElementById('fi0jafn7lc');
            if (dropzone && fileinput) {
                dropzone.onclick = () => fileinput.click();
                fileinput.onchange = (e) => {
                    if (e.target.files.length > 0) this.processImportFile(e.target.files[0]);
                };
                dropzone.ondragover = (e) => { e.preventDefault(); dropzone.style.borderColor = '#1877f2'; };
                dropzone.ondragleave = () => { dropzone.style.borderColor = '#00a884'; };
                dropzone.ondrop = (e) => {
                    e.preventDefault();
                    dropzone.style.borderColor = '#00a884';
                    if (e.dataTransfer && e.dataTransfer.files.length > 0) {
                        this.processImportFile(e.dataTransfer.files[0]);
                    }
                };
            }

            if (btnDedup) btnDedup.onclick = () => this.deduplicate();
            if (btnClearAll) btnClearAll.onclick = () => this.clearAll();

            if (btnBulkDelete) {
                btnBulkDelete.onclick = async () => {
                    if (state.selectedContactIds.size === 0) {
                        alert('حدد جهة اتصال واحدة على الأقل الأول!');
                        return;
                    }
                    if (confirm(`هل أنت متأكد إنك عايز تحذف [${state.selectedContactIds.size}] جهة اتصال نهائياً؟`)) {
                        state.contacts = state.contacts.filter(c => !state.selectedContactIds.has(c.id));
                        state.selectedContactIds.clear();
                        await core.save();
                        core.refreshUI();
                    }
                };
            }

            if (btnBulkTag) {
                btnBulkTag.onclick = async () => {
                    if (state.selectedContactIds.size === 0) {
                        alert('حدد جهة اتصال واحدة على الأقل الأول!');
                        return;
                    }
                    const newTag = prompt("اكتب اسم الوسم الجديد اللي عايز تطبقه على المحدد كلو:");
                    if (newTag && newTag.trim()) {
                        const tagVal = newTag.trim();
                        state.contacts.forEach(c => {
                            if (state.selectedContactIds.has(c.id)) {
                                c.tags = Array.from(new Set([...(c.tags || []), tagVal]));
                            }
                        });
                        await core.save();
                        core.refreshUI();
                        alert(`تم إضافة الوسم "${tagVal}" لجهات الاتصال المحددة بنجاح.`);
                    }
                };
            }

            if (btnBulkUntag) {
                btnBulkUntag.onclick = async () => {
                    if (state.selectedContactIds.size === 0) {
                        alert('حدد جهة اتصال واحدة على الأقل الأول!');
                        return;
                    }
                    const selectedContacts = state.contacts.filter(c => state.selectedContactIds.has(c.id));
                    const tagsOnSelected = new Set();
                    selectedContacts.forEach(c => (c.tags || []).forEach(t => tagsOnSelected.add(t)));

                    if (tagsOnSelected.size === 0) {
                        alert('جهات الاتصال المحددة ما عليهاش أي وسوم دلوقتي عشان تتشال.');
                        return;
                    }

                    const tagListStr = Array.from(tagsOnSelected).join(', ');
                    const tagToRemove = prompt(`اكتب اسم الوسم اللي عايز تشيله من العناصر المحددة:\nالوسوم المتاحة: [ ${tagListStr} ]`);

                    if (tagToRemove && tagToRemove.trim()) {
                        const cleanTag = tagToRemove.trim();
                        let countRemoved = 0;
                        state.contacts.forEach(c => {
                            if (state.selectedContactIds.has(c.id) && c.tags && c.tags.includes(cleanTag)) {
                                c.tags = c.tags.filter(t => t !== cleanTag);
                                countRemoved++;
                            }
                        });
                        await core.save();
                        core.refreshUI();
                        alert(`تم إزالة الوسم "${cleanTag}" من [${countRemoved}] جهة اتصال بنجاح.`);
                    }
                };
            }

            if (btnBulkBlacklist) {
                btnBulkBlacklist.onclick = async () => {
                    if (state.selectedContactIds.size === 0) return;
                    state.contacts.forEach(c => {
                        if (state.selectedContactIds.has(c.id)) c.blacklisted = true;
                    });
                    await core.save();
                    core.refreshUI();
                };
            }

            if (btnBulkUnblacklist) {
                btnBulkUnblacklist.onclick = async () => {
                    if (state.selectedContactIds.size === 0) return;
                    state.contacts.forEach(c => {
                        if (state.selectedContactIds.has(c.id)) c.blacklisted = false;
                    });
                    await core.save();
                    core.refreshUI();
                };
            }

            if (btnBulkExport) {
                btnBulkExport.onclick = () => {
                    if (state.selectedContactIds.size === 0) {
                        alert('اختار جهات اتصال الأول عشان تصدرها!');
                        return;
                    }
                    const selectedList = state.contacts.filter(c => state.selectedContactIds.has(c.id));
                    this.exportToFile('vcf', selectedList);
                };
            }

            if (btnBulkSendWA) {
                btnBulkSendWA.onclick = () => {
                    if (state.selectedContactIds.size === 0) {
                        alert('حدد جهات اتصال الأول عشان تبدأ الحملة!');
                        return;
                    }
                    const selectedList = state.contacts.filter(c => state.selectedContactIds.has(c.id) && !c.blacklisted);
                    if (global.FritreeWhatsApp && typeof global.FritreeWhatsApp.setRecipients === 'function') {
                        global.FritreeWhatsApp.setRecipients(selectedList.map(c => ({ phone: c.phone, name: c.name })));
                        window.location.hash = 'sf8pufcpyl';
                    }
                };
            }
        }
    };

    /**
     * تصدير وحدة العمليات الجماعية
     */
    global.FritreeContactsBulkActions = BulkActionsEngine;
    global.FritreeContactsParsers = BulkActionsEngine;

})(typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : this);