#
# System display and EDSM lookup
#

import json
import requests
import sys
import time
import urllib2
from calendar import timegm
from Queue import Queue
from threading import Thread

import Tkinter as tk
from ttkHyperlinkLabel import HyperlinkLabel
import myNotebook as nb

from config import appname, applongname, appversion, config
import companion
import coriolis
import edshipyard
import outfitting
import plug

if __debug__:
    from traceback import print_exc

EDSM_POLL = 0.1
_TIMEOUT = 20
FAKE = ['CQC', 'Training', 'Destination']	# Fake systems that shouldn't be sent to EDSM


this = sys.modules[__name__]	# For holding module globals
this.session = requests.Session()
this.queue = Queue()	# Items to be sent to EDSM by worker thread
this.lastship = None	# Description of last ship that we sent to EDSM
this.lastlookup = False	# whether the last lookup succeeded

# Game state
this.multicrew = False	# don't send captain's ship info to EDSM while on a crew


def plugin_start():
    # Can't be earlier since can only call PhotoImage after window is created
    this._IMG_KNOWN    = tk.PhotoImage(data = 'R0lGODlhEAAQAMIEAFWjVVWkVWS/ZGfFZ////////////////yH5BAEKAAQALAAAAAAQABAAAAMvSLrc/lAFIUIkYOgNXt5g14Dk0AQlaC1CuglM6w7wgs7rMpvNV4q932VSuRiPjQQAOw==')	# green circle
    this._IMG_UNKNOWN  = tk.PhotoImage(data = 'R0lGODlhEAAQAKEDAGVLJ+ddWO5fW////yH5BAEKAAMALAAAAAAQABAAAAItnI+pywYRQBtA2CtVvTwjDgrJFlreEJRXgKSqwB5keQ6vOKq1E+7IE5kIh4kCADs=')	# red circle
    this._IMG_NEW      = tk.PhotoImage(data = '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')
    this._IMG_ERROR    = tk.PhotoImage(data = 'R0lGODlhEAAQAKEBAAAAAP///////////yH5BAEKAAIALAAAAAAQABAAAAIwlBWpeR0AIwwNPRmZuVNJinyWuClhBlZjpm5fqnIAHJPtOd3Hou9mL6NVgj2LplEAADs=')	  # BBC Mode 5 '?'

    # Migrate old settings
    if not config.get('edsm_cmdrs'):
        if isinstance(config.get('cmdrs'), list) and config.get('edsm_usernames') and config.get('edsm_apikeys'):
            # Migrate <= 2.34 settings
            config.set('edsm_cmdrs', config.get('cmdrs'))
        elif config.get('edsm_cmdrname'):
            # Migrate <= 2.25 settings. edsm_cmdrs is unknown at this time
            config.set('edsm_usernames', [config.get('edsm_cmdrname') or ''])
            config.set('edsm_apikeys',   [config.get('edsm_apikey') or ''])
        config.delete('edsm_cmdrname')
        config.delete('edsm_apikey')
    if config.getint('output') & 256:
        # Migrate <= 2.34 setting
        config.set('edsm_out', 1)
    config.delete('edsm_autoopen')
    config.delete('edsm_historical')

    this.thread = Thread(target = worker, name = 'EDSM worker')
    this.thread.daemon = True
    this.thread.start()

    return 'EDSM'

def plugin_app(parent):
    this.system_label = tk.Label(parent, text = _('System') + ':')	# Main window
    this.system = HyperlinkLabel(parent, compound=tk.RIGHT, popup_copy = True)
    this.system.bind_all('<<EDSMStatus>>', update_status)
    return (this.system_label, this.system)

def plugin_stop():
    # Signal thread to close and wait for it
    this.queue.put(None)
    this.thread.join()
    this.thread = None

def plugin_prefs(parent, cmdr, is_beta):

    PADX = 10
    BUTTONX = 12	# indent Checkbuttons and Radiobuttons
    PADY = 2		# close spacing

    frame = nb.Frame(parent)
    frame.columnconfigure(1, weight=1)

    HyperlinkLabel(frame, text='Elite Dangerous Star Map', background=nb.Label().cget('background'), url='https://www.edsm.net/', underline=True).grid(columnspan=2, padx=PADX, sticky=tk.W)	# Don't translate
    this.log = tk.IntVar(value = config.getint('edsm_out') and 1)
    this.log_button = nb.Checkbutton(frame, text=_('Send flight log and Cmdr status to EDSM'), variable=this.log, command=prefsvarchanged)
    this.log_button.grid(columnspan=2, padx=BUTTONX, pady=(5,0), sticky=tk.W)

    nb.Label(frame).grid(sticky=tk.W)	# big spacer
    this.label = HyperlinkLabel(frame, text=_('Elite Dangerous Star Map credentials'), background=nb.Label().cget('background'), url='https://www.edsm.net/settings/api', underline=True)	# Section heading in settings
    this.label.grid(columnspan=2, padx=PADX, sticky=tk.W)

    this.cmdr_label = nb.Label(frame, text=_('Cmdr'))	# Main window
    this.cmdr_label.grid(row=10, padx=PADX, sticky=tk.W)
    this.cmdr_text = nb.Label(frame)
    this.cmdr_text.grid(row=10, column=1, padx=PADX, pady=PADY, sticky=tk.W)

    this.user_label = nb.Label(frame, text=_('Commander Name'))	# EDSM setting
    this.user_label.grid(row=11, padx=PADX, sticky=tk.W)
    this.user = nb.Entry(frame)
    this.user.grid(row=11, column=1, padx=PADX, pady=PADY, sticky=tk.EW)

    this.apikey_label = nb.Label(frame, text=_('API Key'))	# EDSM setting
    this.apikey_label.grid(row=12, padx=PADX, sticky=tk.W)
    this.apikey = nb.Entry(frame)
    this.apikey.grid(row=12, column=1, padx=PADX, pady=PADY, sticky=tk.EW)

    prefs_cmdr_changed(cmdr, is_beta)

    return frame

def prefs_cmdr_changed(cmdr, is_beta):
    this.log_button['state'] = cmdr and not is_beta and tk.NORMAL or tk.DISABLED
    this.user['state'] = tk.NORMAL
    this.user.delete(0, tk.END)
    this.apikey['state'] = tk.NORMAL
    this.apikey.delete(0, tk.END)
    if cmdr:
        this.cmdr_text['text'] = cmdr + (is_beta and ' [Beta]' or '')
        cred = credentials(cmdr)
        if cred:
            this.user.insert(0, cred[0])
            this.apikey.insert(0, cred[1])
    else:
        this.cmdr_text['text'] = _('None') 	# No hotkey/shortcut currently defined
    this.label['state'] = this.cmdr_label['state'] = this.cmdr_text['state'] = this.user_label['state'] = this.user['state'] = this.apikey_label['state'] = this.apikey['state'] = cmdr and not is_beta and this.log.get() and tk.NORMAL or tk.DISABLED

def prefsvarchanged():
    this.label['state'] = this.cmdr_label['state'] = this.cmdr_text['state'] = this.user_label['state'] = this.user['state'] = this.apikey_label['state'] = this.apikey['state'] = this.log.get() and this.log_button['state'] or tk.DISABLED

def prefs_changed(cmdr, is_beta):
    this.system_label['text']  = _('System') + ':'	# Main window
    config.set('edsm_out', this.log.get())

    if cmdr and not is_beta:
        cmdrs = config.get('edsm_cmdrs')
        usernames = config.get('edsm_usernames') or []
        apikeys = config.get('edsm_apikeys') or []
        if cmdr in cmdrs:
            idx = cmdrs.index(cmdr)
            usernames.extend([''] * (1 + idx - len(usernames)))
            usernames[idx] = this.user.get().strip()
            apikeys.extend([''] * (1 + idx - len(apikeys)))
            apikeys[idx] = this.apikey.get().strip()
        else:
            config.set('edsm_cmdrs', cmdrs + [cmdr])
            usernames.append(this.user.get().strip())
            apikeys.append(this.apikey.get().strip())
        config.set('edsm_usernames', usernames)
        config.set('edsm_apikeys', apikeys)


def credentials(cmdr):
    # Credentials for cmdr
    if not cmdr:
        return None

    cmdrs = config.get('edsm_cmdrs')
    if not cmdrs:
        # Migrate from <= 2.25
        cmdrs = [cmdr]
        config.set('edsm_cmdrs', cmdrs)

    if cmdr in cmdrs and config.get('edsm_usernames') and config.get('edsm_apikeys'):
        idx = cmdrs.index(cmdr)
        return (config.get('edsm_usernames')[idx], config.get('edsm_apikeys')[idx])
    else:
        return None


def journal_entry(cmdr, is_beta, system, station, entry, state):

    # Update display
    if this.system['text'] != system:
        this.system['text'] = system or ''
        this.system['image'] = ''
        if not system or system in FAKE:
            this.system['url'] = None
            this.lastlookup = True
        else:
            this.system['url'] = 'https://www.edsm.net/show-system?systemName=%s' % urllib2.quote(system)
            this.lastlookup = False
        this.system.update_idletasks()

    this.multicrew = bool(state['Role'])

    # Send interesting events to EDSM
    if config.getint('edsm_out') and not is_beta and not this.multicrew and credentials(cmdr):
        try:
            # Send credits to EDSM on new game (but not on startup - data might be old)
            if entry['event'] == 'LoadGame':
                setcredits(cmdr, state['Credits'], state['Loan'])

            # Send rank info to EDSM on startup or change
            if entry['event'] in ['StartUp', 'Progress', 'Promotion'] and state['Rank']:
                setranks(cmdr, state['Rank'])

            # Send ship info to EDSM on startup or change
            if entry['event'] in ['StartUp', 'Loadout', 'LoadGame', 'SetUserShipName'] and cmdr and state['ShipID'] is not None:
                setshipid(cmdr, state['ShipID'])
                props = []
                if state['ShipIdent'] is not None:
                    props.append(('shipIdent', state['ShipIdent']))
                    if state['ShipName'] is not None:
                        props.append(('shipName', state['ShipName']))
                    if state['PaintJob'] is not None:
                        props.append(('paintJob', state['PaintJob']))
                    updateship(cmdr, state['ShipID'], state['ShipType'], props)
                elif entry['event'] in ['ShipyardBuy', 'ShipyardSell', 'SellShipOnRebuy', 'ShipyardSwap']:
                    sellship(cmdr, entry.get('SellShipID'))

            # Send cargo to EDSM on startup or change
            if entry['event'] in (['StartUp', 'LoadGame', 'CollectCargo', 'EjectCargo', 'MarketBuy', 'MarketSell',
                                   'MiningRefined', 'EngineerContribution'] or
                                  (entry['event'] == 'MissionCompleted' and entry.get('CommodityReward'))):
                setcargo(cmdr, state['Cargo'])

            # Send materials info to EDSM on startup or change
            if entry['event'] in ['StartUp', 'LoadGame', 'MaterialCollected', 'MaterialDiscarded', 'ScientificResearch', 'EngineerCraft', 'Synthesis']:
                setmaterials(cmdr, state['Raw'], state['Manufactured'], state['Encoded'])

            # Send paintjob info to EDSM on change
            if entry['event'] in ['ModuleBuy', 'ModuleSell'] and entry['Slot'] == 'PaintJob':
                updateship(cmdr, state['ShipID'], state['ShipType'], [('paintJob', state['PaintJob'])])

            # Write EDSM log on startup and change
            if system and entry['event'] in ['Location', 'FSDJump']:
                this.lastlookup = False
                writelog(cmdr, timegm(time.strptime(entry['timestamp'], '%Y-%m-%dT%H:%M:%SZ')), system, 'StarPos' in entry and tuple(entry['StarPos']), state['ShipID'])

        except Exception as e:
            if __debug__: print_exc()
            return unicode(e)


def cmdr_data(data, is_beta):

    system = data['lastSystem']['name']

    if not this.system['text']:
        this.system['text'] = system
        this.system['image'] = ''
        if not system or system in FAKE:
            this.system['url'] = None
            this.lastlookup = True
        else:
            this.system['url'] = 'https://www.edsm.net/show-system?systemName=%s' % urllib2.quote(system)
            this.lastlookup = False
        this.system.update_idletasks()

    if config.getint('edsm_out') and not is_beta and not this.multicrew and credentials(data['commander']['name']):
        # Send flightlog to EDSM if FSDJump failed to do so
        if not this.lastlookup:
            try:
                this.writelog(data['commander']['name'], int(time.time()), system, None, data['ship']['id'])
            except Exception as e:
                if __debug__: print_exc()
                return unicode(e)

        # Update credits and ship info and send to EDSM
        try:
            if data['commander'].get('credits') is not None:
                setcredits(data['commander']['name'], data['commander']['credits'], data['commander'].get('debt', 0))
            ship = companion.ship(data)
            if ship != this.lastship:
                cargo = 0
                fuel = 0
                for v in data['ship']['modules'].itervalues():
                    module = outfitting.lookup(v['module'], companion.ship_map)
                    if not module:
                        pass
                    elif 'Fuel Tank'in module['name']:
                        fuel += 2**int(module['class'])
                    elif 'Cargo Rack' in module['name']:
                        cargo += 2**int(module['class'])

                updateship(data['commander']['name'],
                           data['ship']['id'],
                           data['ship']['name'].lower(),
                           {
                               'cargoCapacity':    cargo,
                               'fuelMainCapacity': fuel,
                               'linkToCoriolis':   coriolis.url(data, is_beta),
                               'linkToEDShipyard': edshipyard.url(data, is_beta),
                           })
                this.lastship = ship
        except Exception as e:
            # Not particularly important so silent on failure
            if __debug__: print_exc()


# Worker thread
def worker():
    while True:
        item = this.queue.get()
        if not item:
            return	# Closing
        else:
            (url, data, callback) = item

        retrying = 0
        while retrying < 3:
            try:
                r = this.session.post(url, data=data, timeout=_TIMEOUT)
                r.raise_for_status()
                reply = r.json()
                (msgnum, msg) = reply['msgnum'], reply['msg']
                if callback:
                    callback(reply)
                elif msgnum // 100 != 1:	# 1xx = OK, 2xx = fatal error
                    plug.show_error(_('Error: EDSM {MSG}').format(MSG=msg))
                break
            except:
                retrying += 1
        else:
            if callback:
                callback(None)
            else:
                plug.show_error(_("Error: Can't connect to EDSM"))


# Queue a call to an EDSM endpoint with args (which should be quoted)
def call(cmdr, endpoint, args, callback=None):
    (username, apikey) = credentials(cmdr)
    args = dict(args)
    args['commanderName'] = username
    args['apiKey'] = apikey
    args['fromSoftware'] = applongname
    args['fromSoftwareVersion'] =appversion
    this.queue.put(('https://www.edsm.net/%s' % endpoint, args, callback))


# Send flight log and also do lookup
def writelog(cmdr, timestamp, system_name, coordinates, shipid = None):

    if system_name in FAKE:
        return

    args = {
        'systemName': system_name,
        'dateVisited': time.strftime('%Y-%m-%d %H:%M:%S', time.gmtime(timestamp)),
    }
    if coordinates:
        args['x'] = '%.3f' % coordinates[0]
        args['y'] = '%.3f' % coordinates[1]
        args['z'] = '%.3f' % coordinates[2]
    if shipid is not None:
        args['shipId'] = '%d' % shipid
    call(cmdr, 'api-logs-v1/set-log', args, writelog_callback)

def writelog_callback(reply):
    this.lastlookup = reply
    this.system.event_generate('<<EDSMStatus>>', when="tail")	# calls update_status in main thread

def update_status(event=None):
    reply = this.lastlookup
    # Message numbers: 1xx = OK, 2xx = fatal error, 3xx = error (but not generated in practice), 4xx = ignorable errors
    if not reply:
        this.system['image'] = this._IMG_ERROR
        plug.show_error(_("Error: Can't connect to EDSM"))
    elif reply['msgnum'] // 100 not in (1,4):
        this.system['image'] = this._IMG_ERROR
        plug.show_error(_('Error: EDSM {MSG}').format(MSG=reply['msg']))
    elif reply.get('systemCreated'):
        this.system['image'] = this._IMG_NEW
    else:
        this.system['image'] = this._IMG_KNOWN


# When we don't care about return msgnum from EDSM
def null_callback(reply):
    if not reply:
        plug.show_error(_("Error: Can't connect to EDSM"))


def setranks(cmdr, ranks):
    args = {}
    if ranks:
        for k,v in ranks.iteritems():
            if v is not None:
                args[k] = '%d;%d' % v
    if args:
        call(cmdr, 'api-commander-v1/set-ranks', args)

def setcredits(cmdr, balance, loan):
    if balance is not None:
        args = {
            'balance': '%d' % balance,
            'loan': '%d' % loan,
        }
        call(cmdr, 'api-commander-v1/set-credits', args)

def setcargo(cmdr, cargo):
    args = {
        'type': 'cargo',
        'values': json.dumps(cargo, separators = (',', ':')),
    }
    call(cmdr, 'api-commander-v1/set-materials', args)

def setmaterials(cmdr, raw, manufactured, encoded):
    args = {
        'type': 'data',
        'values': json.dumps(encoded, separators = (',', ':')),
    }
    call(cmdr, 'api-commander-v1/set-materials', args)

    materials = {}
    materials.update(raw)
    materials.update(manufactured)
    args = {
        'type': 'materials',
        'values': json.dumps(materials, separators = (',', ':')),
    }
    call(cmdr, 'api-commander-v1/set-materials', args)

def setshipid(cmdr, shipid):
    if shipid is not None:
        call(cmdr, 'api-commander-v1/set-ship-id', { 'shipId': '%d' % shipid })

def updateship(cmdr, shipid, shiptype, args={}):
    if shipid is not None and shiptype:
        args = dict(args)
        args['shipId'] = '%d' % shipid
        args['type'] = shiptype
        call(cmdr, 'api-commander-v1/update-ship', args)

def sellship(cmdr, shipid):
    if shipid is not None:
        call(cmdr, 'api-commander-v1/sell-ship', { 'shipId': '%d' % shipid }, null_callback)