# -*- coding: utf-8 -*-

import sardine

import subprocess


class DropboxStatus(object):

    up_to_date = 0
    updating = 1
    paused = 2
    stopped = 3
    error = 4
    starting = 5
    connecting = 6
    unknown = 99

    symbols = {
        'ascii': {
            up_to_date: ".",
            starting: ">",
            connecting: "^",
            updating: ":",
            paused: "\"",
            stopped: "-",
            error: "X",
            unknown: "?",
        },
        'utf-8': {
            up_to_date: "✓",
            starting: "➤",
            connecting: "▰",
            updating: "★",
            paused: "…",
            stopped: "⬛",
            error: "‼",
            unknown: "▒",
        }
    }

    def __init__(self):
        self.status = DropboxStatus.unknown
        self.downloading = False
        self.syncing = None
        self.indexing = None
        self.uploading = None
        self.load()

    def render(self, charset='utf-8'):
        out = DropboxStatus.symbols[charset][self.status]
        if self.downloading:
            out += "v"
        if self.syncing:
            out += 's'
        if self.indexing:
            out += 'i'
        if self.uploading:
            out += 'u'
        return out

    def load(self):
        cmd = ['dropbox', 'status']
        try:
            out = subprocess.check_output(cmd)
        except OSError:
            self.status = DropboxStatus.error
        else:
            if "Up to date" in out:
                self.status = DropboxStatus.up_to_date
                return
            elif "Starting..." in out:
                self.status = DropboxStatus.starting
                return
            elif "Syncing paused" in out:
                self.status = DropboxStatus.paused
                return
            elif "Dropbox isn't running!" in out:
                self.status = DropboxStatus.stopped
                return
            elif "Connecting..." in out:
                self.status = DropboxStatus.connecting
                return
            else:
                try:
                    if "Downloading file list" in out:
                        self.status = DropboxStatus.updating
                        self.downloading = True
                    if "Syncing (" in out:
                        self.status = DropboxStatus.updating
                        self.syncing = True
                    if "Indexing " in out:
                        self.status = DropboxStatus.updating
                        self.indexing = True
                    if "Uploading " in out:
                        self.status = DropboxStatus.updating
                        self.uploading = True
                    if self.status == DropboxStatus.unknown:
                        raise sardine.PluginError("unknown status: %s" % out)
                except ValueError:
                    with open('out.dmp', 'w') as fh:
                        fh.write(out)


class Plugin(sardine.BasePlugin):

    name = "dropbox"

    def render_plain(self):
        return DropboxStatus().render('utf-8')