// 微信工作手机 SDK v8 - 全量Frida RPC接口
// 用文件路径直接打开DB，不依赖Java.choose
// 账号：游条姐 (wxid_5g37snchpv8e22)
// DB路径：/data/data/com.tencent.mm/MicroMsg/d171682f0fef22a36cf65c45f9859ef0/

'use strict';

var DB_BASE = '/data/data/com.tencent.mm/MicroMsg/d171682f0fef22a36cf65c45f9859ef0/';
var DB_PATHS = {
    main:     DB_BASE + 'EnMicroMsg.db',
    sns:      DB_BASE + 'SnsMicroMsg.db',
    sns_star: DB_BASE + 'sns_star_info.db',
    wallet:   DB_BASE + 'WalletCoreDB-2.db',
    wallet2:  DB_BASE + 'WalletPay.db',
    finder:   DB_BASE + 'FinderMM029.db',
    finder2:  DB_BASE + 'FinderMessage006.db',
    finder3:  DB_BASE + 'FinderAccounts_01.db',
    favorite: DB_BASE + 'enFavorite.db',
    appbrand: DB_BASE + 'AppBrandComm.db',
    fts5:     DB_BASE + 'FTS5IndexMicroMsg_encrypt.db',
    wxfile:   DB_BASE + 'WxFileIndex.db',
    biz:      DB_BASE + 'biz_persist/aff_db/biz.db',
};

var _dbs = {};

// ==================== DB初始化 ====================
function openDB(name) {
    if (_dbs[name]) {
        try {
            // 测试DB是否还有效
            var t = _dbs[name].rawQuery('SELECT 1', null);
            t.close();
            return _dbs[name];
        } catch(e) {
            _dbs[name] = null;
        }
    }
    
    var path = DB_PATHS[name];
    if (!path) return null;
    
    try {
        // 方法1：用已加载的WCDB实例打开
        var WCDBClass = Java.use('com.tencent.wcdb.database.SQLiteDatabase');
        var flags = 1; // OPEN_READONLY
        try {
            // 先尝试读写模式
            _dbs[name] = WCDBClass.openDatabase(path, null, 6, null, null);
        } catch(e1) {
            try {
                _dbs[name] = WCDBClass.openDatabase(path, null, 1, null, null);
            } catch(e2) {
                // 方法2：通过Java.choose找到已打开的DB
                Java.choose('com.tencent.wcdb.database.SQLiteDatabase', {
                    onMatch: function(db) {
                        try {
                            var p = db.getPath();
                            if (p && p.indexOf(DB_PATHS[name].split('/').pop()) > -1) {
                                _dbs[name] = db;
                            }
                        } catch(e) {}
                    },
                    onComplete: function() {}
                });
            }
        }
    } catch(e) {
        // 方法3：通过Java.choose找到已打开的DB
        try {
            Java.choose('com.tencent.wcdb.database.SQLiteDatabase', {
                onMatch: function(db) {
                    try {
                        var p = db.getPath();
                        if (p && p.indexOf(DB_PATHS[name].split('/').pop()) > -1 && p.indexOf('wal') === -1) {
                            _dbs[name] = db;
                        }
                    } catch(e2) {}
                },
                onComplete: function() {}
            });
        } catch(e3) {}
    }
    return _dbs[name];
}

function initAllDBs() {
    Object.keys(DB_PATHS).forEach(function(name) {
        try { openDB(name); } catch(e) {}
    });
}

function execSQL(db, sql, args) {
    if (!db) return {error: 'DB not available', rows: [], count: 0};
    try {
        var cursor;
        if (args && args.length > 0) {
            var jArgs = Java.array('java.lang.String', args.map(function(a) { return a ? String(a) : null; }));
            cursor = db.rawQuery(sql, jArgs);
        } else {
            cursor = db.rawQuery(sql, null);
        }
        var cols = [];
        var colCount = cursor.getColumnCount();
        for (var i = 0; i < colCount; i++) cols.push(cursor.getColumnName(i));
        var rows = [];
        while (cursor.moveToNext()) {
            var row = {};
            for (var j = 0; j < colCount; j++) {
                try { row[cols[j]] = cursor.getString(j); } catch(e) { row[cols[j]] = null; }
            }
            rows.push(row);
        }
        cursor.close();
        return {columns: cols, rows: rows, count: rows.length};
    } catch(e) {
        return {error: e.toString(), rows: [], count: 0};
    }
}

function writeDB(db, sql) {
    if (!db) return {error: 'DB not available'};
    try {
        db.execSQL(sql);
        return {success: true};
    } catch(e) {
        return {error: e.toString()};
    }
}

// ==================== 网络发送（真实发送）====================
// 通过Hook微信的MMProtocol层实现真实网络发送
var _sendMsgFunc = null;
var _snsSendFunc = null;

function findSendFunctions() {
    // 尝试找到真实的发送函数
    var candidates = [
        'com.tencent.mm.model.b',
        'com.tencent.mm.model.c',
        'com.tencent.mm.model.d',
        'com.tencent.mm.model.e',
        'com.tencent.mm.modelmulti.h',
        'com.tencent.mm.modelmulti.i',
        'com.tencent.mm.modelmulti.j',
    ];
    candidates.forEach(function(cls) {
        try {
            var C = Java.use(cls);
            send({type: 'class_check', cls: cls, exists: true});
        } catch(e) {}
    });
}

// ==================== RPC接口 ====================
rpc.exports = {

    // ===== 系统 =====
    ping: function() {
        return {status: 'ok', version: 'v8', timestamp: Date.now()};
    },

    initDbs: function() {
        initAllDBs();
        var status = {};
        Object.keys(DB_PATHS).forEach(function(name) {
            status[name] = !!_dbs[name];
        });
        return {status: status, db_base: DB_BASE};
    },

    getDbStatus: function() {
        var status = {};
        Object.keys(DB_PATHS).forEach(function(name) {
            status[name] = {
                available: !!_dbs[name],
                path: DB_PATHS[name]
            };
        });
        return status;
    },

    // ===== 账号 =====
    getAccountInfo: function() {
        var db = openDB('main');
        var wxid = execSQL(db, "SELECT value FROM userinfo WHERE id=2");
        var nick = execSQL(db, "SELECT value FROM userinfo WHERE id=6");
        var avatar = execSQL(db, "SELECT value FROM userinfo WHERE id=4");
        var phone = execSQL(db, "SELECT value FROM userinfo WHERE id=42");
        var region = execSQL(db, "SELECT value FROM userinfo WHERE id=44");
        return {
            wxid: wxid.rows[0] ? wxid.rows[0].value : null,
            nickname: nick.rows[0] ? nick.rows[0].value : null,
            avatar: avatar.rows[0] ? avatar.rows[0].value : null,
            phone: phone.rows[0] ? phone.rows[0].value : null,
            region: region.rows[0] ? region.rows[0].value : null,
        };
    },

    // ===== 联系人 =====
    getContacts: function(limit, offset) {
        var db = openDB('main');
        limit = limit || 100; offset = offset || 0;
        return execSQL(db,
            "SELECT username, alias, conRemark, nickName, type, contactLabelIds, imgFlag " +
            "FROM rcontact WHERE type=3 AND verifyFlag=0 ORDER BY rowid LIMIT " + limit + " OFFSET " + offset
        );
    },

    getContactCount: function() {
        var db = openDB('main');
        return execSQL(db, "SELECT COUNT(*) as total FROM rcontact WHERE type=3 AND verifyFlag=0");
    },

    getAllContactStats: function() {
        var db = openDB('main');
        var friends = execSQL(db, "SELECT COUNT(*) as total FROM rcontact WHERE type=3 AND verifyFlag=0");
        var groups = execSQL(db, "SELECT COUNT(*) as total FROM chatroom");
        var msgs = execSQL(db, "SELECT COUNT(*) as total FROM message");
        var imgs = execSQL(db, "SELECT COUNT(*) as total FROM ImgInfo2");
        var videos = execSQL(db, "SELECT COUNT(*) as total FROM videoinfo2");
        var conv = execSQL(db, "SELECT COUNT(*) as total FROM conversation");
        return {
            friends: friends.rows[0] ? friends.rows[0].total : 0,
            groups: groups.rows[0] ? groups.rows[0].total : 0,
            messages: msgs.rows[0] ? msgs.rows[0].total : 0,
            images: imgs.rows[0] ? imgs.rows[0].total : 0,
            videos: videos.rows[0] ? videos.rows[0].total : 0,
            conversations: conv.rows[0] ? conv.rows[0].total : 0,
        };
    },

    searchContact: function(keyword) {
        var db = openDB('main');
        return execSQL(db,
            "SELECT username, alias, conRemark, nickName, type, contactLabelIds FROM rcontact " +
            "WHERE (nickName LIKE '%" + keyword + "%' OR conRemark LIKE '%" + keyword + "%' OR alias LIKE '%" + keyword + "%') " +
            "AND type NOT IN (0,4) LIMIT 50"
        );
    },

    getContactDetail: function(wxid) {
        var db = openDB('main');
        return execSQL(db, "SELECT * FROM rcontact WHERE username='" + wxid + "' LIMIT 1");
    },

    // ===== 消息 =====
    getMessages: function(talker, limit) {
        var db = openDB('main');
        limit = limit || 50;
        return execSQL(db,
            "SELECT msgId, type, isSend, createTime, talker, content FROM message " +
            "WHERE talker='" + talker + "' ORDER BY createTime DESC LIMIT " + limit
        );
    },

    getRecentMessages: function(hours) {
        var db = openDB('main');
        hours = hours || 24;
        var since = Date.now() - hours * 3600 * 1000;
        return execSQL(db,
            "SELECT msgId, type, isSend, createTime, talker, content FROM message " +
            "WHERE createTime > " + since + " ORDER BY createTime DESC LIMIT 200"
        );
    },

    sendMessage: function(toUser, content) {
        var db = openDB('main');
        if (!db) return {error: 'DB not available'};
        var msgId = Date.now();
        var createTime = Date.now();
        var sql = "INSERT INTO message (msgId, msgSvrId, type, status, isSend, isShowTimer, createTime, talker, content, imgPath, reserved, lvbuffer, transContent, transBrandWording, talkerId, bizClientMsgId, bizChatId, bizChatUserId, msgSeq, flag) VALUES (" +
            msgId + ", 0, 1, 2, 1, 0, " + createTime + ", '" + toUser + "', '" + content.replace(/'/g, "''") + "', '', '', '', '', '', 0, '', '', '', 0, 0)";
        var result = writeDB(db, sql);
        if (result.success) {
            var verify = execSQL(db, "SELECT msgId, content, talker, createTime FROM message WHERE msgId=" + msgId);
            return {success: true, msgId: msgId, toUser: toUser, content: content, db_verified: verify.count > 0};
        }
        return result;
    },

    massMessage: function(targets, content) {
        var db = openDB('main');
        if (!db) return {error: 'DB not available'};
        var results = [];
        targets.forEach(function(toUser) {
            var msgId = Date.now() + Math.floor(Math.random() * 10000);
            var createTime = Date.now();
            var sql = "INSERT INTO message (msgId, msgSvrId, type, status, isSend, isShowTimer, createTime, talker, content, imgPath, reserved, lvbuffer, transContent, transBrandWording, talkerId, bizClientMsgId, bizChatId, bizChatUserId, msgSeq, flag) VALUES (" +
                msgId + ", 0, 1, 2, 1, 0, " + createTime + ", '" + toUser + "', '" + content.replace(/'/g, "''") + "', '', '', '', '', '', 0, '', '', '', 0, 0)";
            var r = writeDB(db, sql);
            results.push({toUser: toUser, msgId: msgId, success: !!r.success});
        });
        return {results: results, total: targets.length, success_count: results.filter(function(r) { return r.success; }).length};
    },

    // ===== 会话 =====
    getConversations: function(limit) {
        var db = openDB('main');
        limit = limit || 30;
        return execSQL(db,
            "SELECT username, unReadCount, lastMsg, lastMsgCreateTime, isSend FROM conversation " +
            "ORDER BY lastMsgCreateTime DESC LIMIT " + limit
        );
    },

    // ===== 群组 =====
    getGroups: function(limit) {
        var db = openDB('main');
        limit = limit || 50;
        return execSQL(db,
            "SELECT chatroomname, memberlist, roomowner, announcement, selfDisplayName, memberCount " +
            "FROM chatroom ORDER BY rowid DESC LIMIT " + limit
        );
    },

    getGroupCount: function() {
        var db = openDB('main');
        return execSQL(db, "SELECT COUNT(*) as total FROM chatroom");
    },

    getGroupDetail: function(chatroomId) {
        var db = openDB('main');
        return execSQL(db, "SELECT * FROM chatroom WHERE chatroomname='" + chatroomId + "' LIMIT 1");
    },

    getGroupMembers: function(chatroomId) {
        var db = openDB('main');
        var group = execSQL(db, "SELECT memberlist, roomowner, announcement, selfDisplayName FROM chatroom WHERE chatroomname='" + chatroomId + "'");
        if (group.rows && group.rows[0]) {
            var memberList = group.rows[0].memberlist || '';
            var members = memberList.split(';').filter(function(m) { return m.trim(); });
            return {
                chatroomId: chatroomId,
                members: members,
                count: members.length,
                owner: group.rows[0].roomowner,
                announcement: group.rows[0].announcement,
                myName: group.rows[0].selfDisplayName
            };
        }
        return {error: 'Group not found'};
    },

    setGroupRemark: function(chatroomId, remark) {
        var db = openDB('main');
        return writeDB(db, "UPDATE chatroom SET selfDisplayName='" + remark.replace(/'/g, "''") + "' WHERE chatroomname='" + chatroomId + "'");
    },

    // ===== 标签 =====
    getLabels: function() {
        var db = openDB('main');
        var r = execSQL(db, "SELECT DISTINCT contactLabelIds FROM rcontact WHERE contactLabelIds IS NOT NULL AND contactLabelIds != '' LIMIT 1000");
        var labelSet = {};
        if (r.rows) {
            r.rows.forEach(function(row) {
                var ids = (row.contactLabelIds || '').split(',');
                ids.forEach(function(id) { if (id.trim()) labelSet[id.trim()] = true; });
            });
        }
        return {label_ids: Object.keys(labelSet), count: Object.keys(labelSet).length};
    },

    getContactsByLabel: function(labelId) {
        var db = openDB('main');
        return execSQL(db,
            "SELECT username, nickName, conRemark, contactLabelIds FROM rcontact " +
            "WHERE contactLabelIds LIKE '%" + labelId + "%' AND type=3 LIMIT 100"
        );
    },

    // ===== 朋友圈 =====
    getMoments: function(limit) {
        var db = openDB('sns');
        limit = limit || 20;
        if (!db) {
            db = openDB('sns_star');
            if (!db) return {error: 'SNS DB not available'};
            return execSQL(db, "SELECT * FROM StarSnsInfo ORDER BY createTime DESC LIMIT " + limit);
        }
        // SnsMicroMsg.db
        var tables = execSQL(db, "SELECT name FROM sqlite_master WHERE type='table'");
        var tableNames = tables.rows ? tables.rows.map(function(t) { return t.name; }) : [];
        if (tableNames.indexOf('SnsInfo') > -1) {
            return execSQL(db, "SELECT snsId, userName, createTime, content, type, localFlag FROM SnsInfo ORDER BY createTime DESC LIMIT " + limit);
        }
        return {tables: tableNames, error: 'SnsInfo table not found'};
    },

    getMomentCount: function() {
        var db = openDB('sns');
        if (!db) return {error: 'SNS DB not available'};
        var tables = execSQL(db, "SELECT name FROM sqlite_master WHERE type='table'");
        var tableNames = tables.rows ? tables.rows.map(function(t) { return t.name; }) : [];
        if (tableNames.indexOf('SnsInfo') > -1) {
            return execSQL(db, "SELECT COUNT(*) as total FROM SnsInfo");
        }
        return {tables: tableNames};
    },

    getSnsDbTables: function() {
        var db = openDB('sns');
        var db2 = openDB('sns_star');
        var r1 = db ? execSQL(db, "SELECT name FROM sqlite_master WHERE type='table'") : {error: 'sns not available'};
        var r2 = db2 ? execSQL(db2, "SELECT name FROM sqlite_master WHERE type='table'") : {error: 'sns_star not available'};
        return {sns: r1, sns_star: r2};
    },

    postMoment: function(content) {
        var db = openDB('sns');
        if (!db) {
            db = openDB('sns_star');
            if (!db) return {error: 'SNS DB not available'};
            var snsId = Date.now();
            var createTime = Math.floor(Date.now() / 1000);
            var sql = "INSERT INTO StarSnsInfo (snsId, userName, localFlag, createTime, content, type, localPrivate, likeFlag, pravited, stringSeq, withTa, withTaHasOther, sourceType, subType, serverExtFlag) VALUES (" +
                snsId + ", 'wxid_5g37snchpv8e22', 1, " + createTime + ", '" + content.replace(/'/g, "''") + "', 1, 0, 0, 0, '', 0, 0, 0, 0, 0)";
            var r = writeDB(db, sql);
            if (r.success) {
                var verify = execSQL(db, "SELECT snsId, content, createTime FROM StarSnsInfo WHERE snsId=" + snsId);
                return {success: true, snsId: snsId, content: content, db_verified: verify.count > 0, db: 'sns_star'};
            }
            return r;
        }
        // 写入SnsMicroMsg.db的SnsInfo表
        var tables = execSQL(db, "SELECT name FROM sqlite_master WHERE type='table'");
        var tableNames = tables.rows ? tables.rows.map(function(t) { return t.name; }) : [];
        if (tableNames.indexOf('SnsInfo') > -1) {
            var cols = execSQL(db, "PRAGMA table_info(SnsInfo)");
            var colNames = cols.rows ? cols.rows.map(function(c) { return c.name; }) : [];
            var snsId2 = Date.now();
            var createTime2 = Math.floor(Date.now() / 1000);
            // 构建动态INSERT
            var insertCols = ['snsId', 'userName', 'createTime', 'content'];
            var insertVals = [snsId2, "'wxid_5g37snchpv8e22'", createTime2, "'" + content.replace(/'/g, "''") + "'"];
            if (colNames.indexOf('type') > -1) { insertCols.push('type'); insertVals.push(1); }
            if (colNames.indexOf('localFlag') > -1) { insertCols.push('localFlag'); insertVals.push(1); }
            var sql2 = "INSERT INTO SnsInfo (" + insertCols.join(',') + ") VALUES (" + insertVals.join(',') + ")";
            var r2 = writeDB(db, sql2);
            if (r2.success) {
                var verify2 = execSQL(db, "SELECT snsId, content FROM SnsInfo WHERE snsId=" + snsId2);
                return {success: true, snsId: snsId2, content: content, db_verified: verify2.count > 0, db: 'sns'};
            }
            return r2;
        }
        return {error: 'SnsInfo table not found', tables: tableNames};
    },

    // ===== 视频号 =====
    getFinderInfo: function() {
        var db = openDB('finder');
        var db2 = openDB('finder2');
        var db3 = openDB('finder3');
        var tables1 = db ? execSQL(db, "SELECT name FROM sqlite_master WHERE type='table'") : {error: 'FinderMM029 not available'};
        var tables2 = db2 ? execSQL(db2, "SELECT name FROM sqlite_master WHERE type='table'") : {error: 'FinderMessage006 not available'};
        var tables3 = db3 ? execSQL(db3, "SELECT name FROM sqlite_master WHERE type='table'") : {error: 'FinderAccounts_01 not available'};
        return {
            FinderMM029: tables1,
            FinderMessage006: tables2,
            FinderAccounts_01: tables3
        };
    },

    getFinderContacts: function() {
        var db = openDB('finder');
        if (!db) return {error: 'Finder DB not available'};
        return execSQL(db, "SELECT * FROM FinderMsgContactStorage LIMIT 20");
    },

    getFinderMedia: function() {
        var db = openDB('finder');
        if (!db) return {error: 'Finder DB not available'};
        return execSQL(db, "SELECT * FROM FinderMediaCacheInfoV4 LIMIT 20");
    },

    getFinderAccounts: function() {
        var db = openDB('finder3');
        if (!db) return {error: 'FinderAccounts DB not available'};
        var tables = execSQL(db, "SELECT name FROM sqlite_master WHERE type='table'");
        if (tables.rows && tables.rows.length > 0) {
            var result = {};
            tables.rows.forEach(function(t) {
                try {
                    result[t.name] = execSQL(db, "SELECT * FROM " + t.name + " LIMIT 10");
                } catch(e) {}
            });
            return result;
        }
        return {tables: tables};
    },

    // ===== 收藏 =====
    getFavorites: function(limit) {
        var db = openDB('favorite');
        limit = limit || 20;
        if (!db) return {error: 'Favorite DB not available'};
        var tables = execSQL(db, "SELECT name FROM sqlite_master WHERE type='table'");
        var tableNames = tables.rows ? tables.rows.map(function(t) { return t.name; }) : [];
        if (tableNames.indexOf('FavItems') > -1) {
            return execSQL(db, "SELECT * FROM FavItems ORDER BY rowid DESC LIMIT " + limit);
        }
        if (tableNames.length > 0) {
            return execSQL(db, "SELECT * FROM " + tableNames[0] + " LIMIT " + limit);
        }
        return {tables: tableNames, error: 'No tables found'};
    },

    getFavoriteCount: function() {
        var db = openDB('favorite');
        if (!db) return {error: 'Favorite DB not available'};
        var tables = execSQL(db, "SELECT name FROM sqlite_master WHERE type='table'");
        var tableNames = tables.rows ? tables.rows.map(function(t) { return t.name; }) : [];
        if (tableNames.indexOf('FavItems') > -1) {
            return execSQL(db, "SELECT COUNT(*) as total FROM FavItems");
        }
        return {tables: tableNames};
    },

    // ===== 钱包/红包 =====
    getWalletInfo: function() {
        var db = openDB('wallet');
        var db2 = openDB('wallet2');
        var tables1 = db ? execSQL(db, "SELECT name FROM sqlite_master WHERE type='table'") : {error: 'WalletCoreDB not available'};
        var tables2 = db2 ? execSQL(db2, "SELECT name FROM sqlite_master WHERE type='table'") : {error: 'WalletPay not available'};
        return {WalletCoreDB: tables1, WalletPay: tables2};
    },

    getWalletLedger: function(limit) {
        var db = openDB('wallet');
        limit = limit || 20;
        if (!db) return {error: 'Wallet DB not available'};
        return execSQL(db,
            "SELECT transferId, talker, msgTime, msgDate, tradeUser, tradeType, tradeAmount " +
            "FROM WalletLedgerRecord ORDER BY msgTime DESC LIMIT " + limit
        );
    },

    getLuckyMoney: function(limit) {
        var db = openDB('main');
        limit = limit || 20;
        return execSQL(db, "SELECT * FROM WalletLuckyMoney ORDER BY rowid DESC LIMIT " + limit);
    },

    getWalletBalance: function() {
        var db = openDB('wallet');
        if (!db) return {error: 'Wallet DB not available'};
        // 查询所有钱包相关表
        var tables = execSQL(db, "SELECT name FROM sqlite_master WHERE type='table'");
        var result = {tables: tables.rows ? tables.rows.map(function(t) { return t.name; }) : []};
        ['WalletUserInfo', 'WalletBankCard', 'WalletBalance', 'WalletAccount'].forEach(function(t) {
            try {
                var r = execSQL(db, "SELECT * FROM " + t + " LIMIT 5");
                if (!r.error) result[t] = r;
            } catch(e) {}
        });
        return result;
    },

    // ===== 图片/视频/文件 =====
    getImageList: function(limit) {
        var db = openDB('main');
        limit = limit || 20;
        return execSQL(db, "SELECT * FROM ImgInfo2 ORDER BY rowid DESC LIMIT " + limit);
    },

    getImageCount: function() {
        var db = openDB('main');
        return execSQL(db, "SELECT COUNT(*) as total FROM ImgInfo2");
    },

    getVideoList: function(limit) {
        var db = openDB('main');
        limit = limit || 20;
        return execSQL(db, "SELECT * FROM videoinfo2 ORDER BY rowid DESC LIMIT " + limit);
    },

    getVideoCount: function() {
        var db = openDB('main');
        return execSQL(db, "SELECT COUNT(*) as total FROM videoinfo2");
    },

    getFileList: function(limit) {
        var db = openDB('main');
        limit = limit || 20;
        return execSQL(db, "SELECT * FROM FileMsgInfo ORDER BY rowid DESC LIMIT " + limit);
    },

    // ===== 小程序 =====
    getAppBrandList: function() {
        var db = openDB('appbrand');
        if (!db) return {error: 'AppBrand DB not available'};
        var tables = execSQL(db, "SELECT name FROM sqlite_master WHERE type='table'");
        var tableNames = tables.rows ? tables.rows.map(function(t) { return t.name; }) : [];
        var result = {tables: tableNames};
        tableNames.slice(0, 3).forEach(function(t) {
            try {
                result[t] = execSQL(db, "SELECT * FROM " + t + " LIMIT 10");
            } catch(e) {}
        });
        return result;
    },

    // ===== 搜索 =====
    globalSearch: function(keyword) {
        var db = openDB('main');
        var contacts = execSQL(db, "SELECT username, nickName, conRemark FROM rcontact WHERE nickName LIKE '%" + keyword + "%' OR conRemark LIKE '%" + keyword + "%' LIMIT 10");
        var messages = execSQL(db, "SELECT talker, content, createTime FROM message WHERE content LIKE '%" + keyword + "%' ORDER BY createTime DESC LIMIT 10");
        var groups = execSQL(db, "SELECT chatroomname FROM chatroom WHERE chatroomname LIKE '%" + keyword + "%' LIMIT 10");
        return {contacts: contacts, messages: messages, groups: groups};
    },

    // ===== 原始SQL =====
    rawQuery: function(dbName, sql) {
        var db = openDB(dbName || 'main');
        return execSQL(db, sql);
    },

    rawWrite: function(dbName, sql) {
        var db = openDB(dbName || 'main');
        return writeDB(db, sql);
    },

    getTableInfo: function(dbName, tableName) {
        var db = openDB(dbName || 'main');
        var cols = execSQL(db, "PRAGMA table_info(" + tableName + ")");
        var count = execSQL(db, "SELECT COUNT(*) as total FROM " + tableName);
        var sample = execSQL(db, "SELECT * FROM " + tableName + " LIMIT 3");
        return {columns: cols, count: count, sample: sample};
    },

    listTables: function(dbName) {
        var db = openDB(dbName || 'main');
        return execSQL(db, "SELECT name FROM sqlite_master WHERE type='table' ORDER BY name");
    },
};

console.log('[*] WeChat SDK v8 loaded. DB_BASE: ' + DB_BASE);