var db = require('db');
var async = require('async');
var User = require('user');
var Note = require('note');
var Notebook = require('notebook');
var Common = require('common');
var Tags = db.tags;
var needle = require('needle');
var fs = require('fs');

function log(o) {
	console.log(o);
}
// log(Common);
// log(db);
// log("??")

// 远程数据服务
var Api = {
	leanoteUrl: 'http://localhost:9000',
	baseUrl: 'http://localhost:9000/api',
	getUrl: function(url, param) {
		if(!User) {
		}
		var url = this.baseUrl + '/' + url;
		var token = User.getToken();
		param = param || {};
		param.token = token;
		if(param) {
			var paramStr = '';
			for(var i in param) {
				paramStr += i + '=' + param[i] + '&';
			}
		}
		if(url.indexOf('?') >= 0) {
			return url + '&' + paramStr;
		}
		return url + '?' + paramStr;
	},
	// 登录
	auth: function(email, pwd, callback) { 
		var me = this;
		// log({emai: email, pwd: pwd});
		// log(this.getUrl('auth/login', {email: email, pwd: pwd}));
		needle.get(this.getUrl('auth/login', {email: email, pwd: pwd}), function(error, response) {
			if(error) {
				return callback && callback(false);
			}
		// needle.get('http://localhost/phpinfo.php?email=xx', {emai: email, pwd: pwd}, function(error, response) {
			var ret = response.body;
			// 登录成功, 保存token
			// log('login ret');
			// log(ret);
			if(Common.isOk(ret)) {
				ret.Pwd = pwd;
				User.setCurUser(ret);
				callback && callback(ret);
			} else {
				log('log failed');
				callback && callback(false);
			}
		});
	},
	post: function() {
		var me = this;
		var options = {
			headers: { 'X-Custom-Header': 'Bumbaway atuna' }
		}
		// you can pass params as a string or as an object.
		needle.post(me.getUrl('auth/login'), 'foo=bar', options, function(err, resp) {
			var ret = resp.body;
			log(ret);
		});	
	},
	// get图片
	getImageTest: function(callback) {
		needle.get('http://localhost:9000/images/logo.png', function(err, resp) {
			// log(resp.body);
			/*
			{ 'accept-ranges': 'bytes',
			  'content-disposition': 'inline; filename="logo.png"',
			  'content-length': '8583',
			  'content-type': 'image/png',
			  date: 'Mon, 19 Jan 2015 15:01:47 GMT',
  			*/
			// log(resp.headers);
			fs.writeFile('/Users/life/Desktop/aa.png', resp.body);
		});
	},
	// 测试
	uploadImage: function() {
		var data = {
			foo: 'bar',
			cc: [1,2,3,3],
			dd: {name: 'life', age: 18},
			image: { file: '/Users/life/Desktop/imageplus.png', content_type: 'image/png' }
		}
		needle.post('http://localhost/phpinfo.php', data, { multipart: true }, function(err, resp, body) {
			// needle will read the file and include it in the form-data as binary
			console.log(resp.body);
		});
	},
	getSyncNotebooks: function(afterUsn, maxEntry, callback) {
		var me = this;
		var url = this.getUrl('notebook/getSyncNotebooks', {afterUsn: afterUsn, maxEntry: maxEntry});
		needle.get(url, function(error, response) {
			if(error) {
				return callback && callback(false);
			}
			var ret = response.body;
			log(ret);
			log(Common);
			if(Common.isOk(ret)) {
				callback && callback(ret);
			} else {
				callback && callback(false);
			}
		});	
	},
	getSyncNotes: function(afterUsn, maxEntry, callback) {
		var me = this;
		var url = this.getUrl('note/getSyncNotes', {afterUsn: afterUsn, maxEntry: maxEntry});
		log(url);
		needle.get(url, function(error, response) {
			if(error) {
				console.log('note/getSyncNotes');
				console.log(error);
				return callback && callback(false);
			}
			var ret = response.body;
			if(Common.isOk(ret)) {
				callback && callback(ret);
			} else {
				callback && callback(false);
			}
		});	
	},
	getSyncTags: function(afterUsn, maxEntry, callback) {
		var me = this;
		var url = this.getUrl('tag/getSyncTags', {afterUsn: afterUsn, maxEntry: maxEntry});
		log(url);
		needle.get(url, function(error, response) {
			if(error) {
				console.log('tag/getSyncTags');
				console.log(error);
				return callback && callback(false);
			}
			var ret = response.body;
			console.log(ret);
			if(Common.isOk(ret)) {
				callback && callback(ret);
			} else {
				callback && callback(false);
			}
		});	
	},
	getLastSyncState: function(callback) {
		var me = this;
		log('--getSyncState--')
		var url = this.getUrl('user/getSyncState');
		log(url);
		needle.get(url, function(error, response) {
			if(error) {
				return callback && callback(false);
			}
			var ret = response.body;
			log('--getSyncState--ret---')
			log(ret);
			if(Common.isOk(ret)) {
				callback && callback(ret);
			} else {
				callback && callback(false);
			}
		});	
	},
	// 获取笔记内容, 获取之后保存到笔记中
	getNoteContent: function(noteId, callback) {
		var me = this;
		var url = this.getUrl('note/getNoteContent', {noteId: noteId});
		log(url);
		needle.get(url, function(error, response) {
			if(error) {
				log(error);
				return callback && callback(false);
			}
			var ret = response.body;
			log('--------')
			log(ret);
			if(Common.isOk(ret)) { // {Content: 'xx', NoteId: 'xxx'}
				// Note.updateNoteContentForce(noteId, ret.Content, function() {
				callback && callback(ret);
				// });
			} else {
				callback && callback(false);
			}
		});	
	},

	// TODO
	// get图片, 获取内容后, 得到所有图片链接, 异步去获取图片, 并修改图片链接, 
	// 将https://leanote.com/api/resource/getImage?imageId=xx
	// 转成app://leanote/public/files, 内部可以是个服务器吗? 请求内部的controller
	getImage: function(fileId, callback) {
		var me = this;
		var url = me.getUrl('file/getImage', {fileId: fileId});
		log(url);
		needle.get(url, function(err, resp) {
			if(err) {
				return callback && callback(false);
			}
			// log(resp.body);
			/*
			{ 'accept-ranges': 'bytes',
			  'content-disposition': 'inline; filename="logo.png"',
			  'content-length': '8583',
			  'content-type': 'image/png',
			  date: 'Mon, 19 Jan 2015 15:01:47 GMT',
  			*/
			// log(resp.headers);
			if(err) {
				callback(false);
			} else {
				var typeStr = resp.headers['content-type'];
				log(resp.headers);
				log(typeStr);
				var type = 'png';
				if(typeStr) {
					var typeArr = typeStr.split('/');
					if(typeStr.length > 1) {
						type = typeArr[1];
					}
				}

				var filename = Common.uuid() + '.' + type;
				var imagePath = User.getCurUserImagesPath();
				var imagePathAll = imagePath + '/' + filename;
				log(imagePathAll);
				fs.writeFile(imagePathAll, resp.body, function(err) {
					if(err) {
						log(err);
						log('local save image failed 本地保存失败');
						callback(false);
					} else {
						callback(imagePathAll, filename);
					}
				});
			}
		});
	},

	//------------
	// 笔记本操作
	//------------
	// 添加
	addNotebook: function(notebook, callback) {
		var me = this;
		// notebook.ParentNotebookId是本的, 要得到远程的
		Notebook.getServerNotebookIdByNotebookId(notebook.ParentNotebookId, function(serverNotebookId) {
			var data = {
				title: notebook.Title,
				seq: notebook.Seq,
				parentNotebookId: serverNotebookId
			}
			log('add notebook');
			log(data);
			needle.post(me.getUrl('notebook/addNotebook'), data, {}, function(err, resp) {
				if(err) {
					return callback(false);
				}
				var ret = resp.body;
				log(ret);
				if(Common.isOk(ret)) {
					callback(ret);
				} else {
					callback(false);
				}
			});	
		});
	},
	// 更新
	updateNotebook: function(notebook, callback) {
		var me = this;
		Notebook.getServerNotebookIdByNotebookId(notebook.ParentNotebookId, function(serverNotebookId) {
			var data = {
				notebookId: notebook.ServerNotebookId,
				title: notebook.Title,
				usn: notebook.Usn,
				seq: notebook.Seq,
				parentNotebookId: serverNotebookId || ""
			}
			log('update notebook');
			log(data);
			needle.post(me.getUrl('notebook/updateNotebook'), data, {}, function(err, resp) {
				if(err) {
					log('err');
					log(err);
					return callback(false);
				}
				var ret = resp.body;
				log('update notebook ret:');
				log(ret);
				if(Common.isOk(ret)) {
					callback(ret);
				} else {
					callback(false);
				}
			});
		});
	},

	// 删除
	deleteNotebook: function(notebook, callback) {
		var me = this;
		var data = {notebookId: notebook.ServerNotebookId, usn: notebook.Usn};
		log('delete notebook');
		needle.post(me.getUrl('notebook/deleteNotebook'), data, {}, function(err, resp) {
			if(err) {
				return callback(false);
			}
			var ret = resp.body;
			log('delete notebook ret');
			log(ret);
			if(Common.isOk(ret)) {
				// 以后不要再发了
				Notebook.setNotDirty(notebook.NotebookId);
				callback(ret);
			} else {
				callback(false);
				try {
					log('delete notebook conflict');
					// 代表冲突了, 那么本地的删除无效, 设为IsDirty为false, 不删除
					// 待以后同步
					if(ret.Msg == 'conflict') {
						log('delete notebook conflict: setNotDirtyNotDelete');
						Notebook.setNotDirtyNotDelete(notebook.NotebookId);
					} else {
						log('delete notebook conflict: setNotDirty');
						Notebook.setNotDirty(notebook.NotebookId);
					}

				} catch(e) {}
			}
		});
	},

	//---------
	// note
	//--------

	// 获取笔记
	// noteId是serverNoteId
	getNote: function(noteId, callback) {
		needle.get(this.getUrl('note/getNote', {NoteId: noteId}), function(error, response) {
			if(error) {
				return callback && callback(false);
			}
			var ret = response.body;
			if(Common.isOk(ret)) {
				callback && callback(ret);
			} else {
				log(error);
				callback && callback(false);
			}
		});
	},

	// 添加笔记
	// 要把文件也发送过去
	addNote: function(note, callback) {
		var me = this;
		// note.NotebookId是本的, 要得到远程的
		Notebook.getServerNotebookIdByNotebookId(note.NotebookId, function(serverNotebookId) {
			var data = {
				Title: note.Title,
				NotebookId: serverNotebookId,
				Content: note.Content,
				IsMarkdown: note.isMarkdown,
				Tags: note.Tags,
				IsBlog: note.IsBlog,
				Files: note.Files,
				FileDatas: note.FileDatas
			}
			// log('add note');
			// log(data);

			// files处理
			var needMultiple = false;
			for(var i in data.FileDatas) {
				needMultiple = true;
				break;
			}

			// 最终传递的数据
			console.log('end transfer data');
			console.log(data);

			try {
				needle.post(me.getUrl('note/addNote'), data, {multipart: needMultiple}, function(err, resp) {
					if(err) {
						return callback(false);
					}
					var ret = resp.body;
					log('add note ret');
					log(ret);
					log('add note ret<-');
					if(Common.isOk(ret)) {
						// 将serverId保存
						callback(ret);
					} else {
						callback(false);
					}
				});
			} catch(e) {};
		});
	},

	// 更新
	updateNote: function(note, callback) {
		var me = this;
		Notebook.getServerNotebookIdByNotebookId(note.NotebookId, function(serverNotebookId) {
			var data = {
				noteId: note.ServerNoteId,
				notebookId: serverNotebookId || "",
				title: note.Title,
				usn: note.Usn,
				isTrash: note.IsTrash,
				content: note.Content,
				Files: note.Files,
				FileDatas: note.FileDatas
			}
			console.log('update note :');
			console.log(data);

			// files处理
			var needMultiple = false;
			for(var i in data.FileDatas) {
				needMultiple = true;
				break;
			}

			needle.post(me.getUrl('note/updateNote'), data, {multipart: needMultiple}, function(err, resp) {
				if(err) {
					log('err');
					log(err);
					return callback(false);
				}
				var ret = resp.body;
				log('update note ret:');
				log(ret);
				callback(ret);
				/*
				if(Common.isOk(ret)) {
				} else {
					callback(false);
				}
				*/
			});
		});
	},

	// 删除
	deleteTrash: function(note, callback) {
		var me = this;
		var data = {noteId: note.ServerNoteId, usn: note.Usn};
		log('delete note');
		// 这里要重新require下, 不然为{}
		Note = require('note');
		needle.post(me.getUrl('note/deleteTrash'), data, {}, function(err, resp) {
			if(err) {
				return callback(false);
			}
			var ret = resp.body;
			log('delete note ret');
			log(ret);
			if(Common.isOk(ret)) {
				// 以后不要再发了
				Note.setNotDirty(note.NoteId);
				callback(ret);
			} else {
				callback(false);
				try {
					log('delete note conflict');
					// 代表冲突了, 那么本地的删除无效, 设为IsDirty为false, 不删除
					// 待以后同步
					if(ret.Msg == 'conflict') {
						log('delete note conflict: setNotDirtyNotDelete');
						Note.setNotDirtyNotDelete(note.NoteId);
					} else {
						log('delete note conflict: setNotDirty');
						Note.setNotDirty(note.NoteId);
					}
				} catch(e) {}
			}
		});
	},


	test: function() {
		log("??");
		Note = require('note');
		log(Note);
	}

};
module.exports = Api;