import path from 'path-extra'
import uuid from 'node-uuid'

import * as utils from 'utils'
import glob from 'glob'

import fs from 'fs'
import mkdirp from 'mkdirp'
import jsfile from 'jsonfile'
import rmdir from 'rimraf'

var APP_NAME = 'TechNote'

export function getAppDataPath(){
    return path.datadir(APP_NAME)
}

export function getNotePath(notebook, note){
    var notePath = getAppDataPath()
    var notebookPath = getNotebookPath(notebook)
    return path.join(notebookPath, note.uuid+'.qvnote')
}

export function getNotebookPath(notebook){
    var noteBookPath = getAppDataPath()
    return path.join(noteBookPath, notebook.uuid+'.qvnotebook')
}

export function createNotebookDir(notebookNameOrUUID){
    var dataPath = getAppDataPath()
    var notebookPath = path.join(dataPath, notebookNameOrUUID+'.qvnotebook')

    mkdirp.sync(notebookPath)
}

export function loadNote(notePath){
    var metaPath = path.join(notePath, 'meta.json')
    var contentPath = path.join(notePath, 'content.json')

    var meta = jsfile.readFileSync(metaPath)
    var content = jsfile.readFileSync(contentPath)

    var note = meta

    note.summary = ''
    note.path = notePath

    if(content.cells.length > 0){
        note.summary = content.cells[0].data
    }

    return note
}

export function loadNotes(notebook){
    var notebookPath = getNotebookPath(notebook)
    var dataPath = getAppDataPath()
    var noteGlob = ''

    if(notebook.glob){
        noteGlob = path.join(dataPath, notebook.glob)
    }
    else{
        noteGlob = path.join(notebookPath, '*.qvnote')
    }

    var notePaths = glob.sync(noteGlob)

    var notes = []

    for(var i=0; i<notePaths.length; i++){
        var notePath = notePaths[i]
        var note = loadNote(notePath)
        note.notebook = notebook
        notes.push(note)
    }

    return notes
}

export function loadNotebookByName(nameOrUUID){
    var dataPath = getAppDataPath()
    var notebookPath = path.join(dataPath, nameOrUUID+'.qvnotebook')
    var obj = jsfile.readFileSync(path.join(notebookPath, 'meta.json'))
    var notes = glob.sync(path.join(notebookPath, '*.qvnote'))

    var nb = {
        'title': obj.name,
        'uuid': obj.uuid,
        'notes': notes.length,
        'path': notebookPath
    }

    if(nb.title == ''){
        nb.state = 'editing'
    }
    else{
        nb.state = 'displaying'
    }
    return nb
}

export function updateObject(old, newObj){
    for (var key in newObj) {
        old[key] = newObj[key];
    }
    return old
}

export function getNotePathFromUUID(notebook, uuid){
    return getNotePath(notebook, {uuid: uuid})
}

export function getNotebookPathFromUUID(uuid){
    return getNotebookPath({uuid: uuid})
}

export function isFunction(functionToCheck) {
    var getType = {}
    return functionToCheck && getType.toString.call(functionToCheck) === '[object Function]'
}

export function trunc(str, n){
    return (str.length > n) ? str.substr(0, n-1)+'...' : str;
};

export function compareNotebooks(a, b) {
    let atitle = a.title.toLowerCase()
    let btitle = b.title.toLowerCase()

    if(atitle > btitle)
        return 1
    if(atitle < btitle)
        return -1
    return 0
}