from flask import Flask, request
import os
import incident

app = Flask( __name__ )
app.config.from_envvar( 'FIH_SETTINGS' )

app.mm = incident.Mattermost( url = app.config[ 'MATTERMOST_URL' ],
                              port = app.config[ 'MATTERMOST_PORT' ],
                              login_id = app.config[ 'MATTERMOST_USER_EMAIL' ],
                              password = app.config[ 'MATTERMOST_USER_PASSWORD' ],
                              ).mm

@app.route( '/mattermost/incident', methods = [ 'POST' ] )
def mattermost_incident():
    # channel_name: testing
    # command: /incident
    # channel_id: o3ob1utim3nummoswjyt4174mo
    # user_name: marek
    # test_domain: faelix
    # text: test
    # team_id: 3woo8mbjrbb1in53xwdzi4ynqh
    # user_id: ko3uxmend7ne8ger4uw9mxkt1o
    # token: XXXXXXXXXXXXXXXXXXXXXXXXXX

    if request.form[ 'token' ] in app.config[ 'MATTERMOST_COMMAND_TOKENS' ]:
        fi_number = incident.generate_incident_number()
        channel_name = fi_number.lower()
        purpose = request.form[ 'text' ]

        channel = app.mm.channels.create_channel( options = { "team_id": request.form[ 'team_id' ],
                                                              "name": channel_name,
                                                              "purpose": "Incident " + fi_number + ( purpose and " " + purpose or "" ),
                                                              "header": "", ## Incident #" + fi_number,
                                                              "type": "P",
                                                              } )
        app.mm.posts.create_post( options = { 'channel_id': channel[ 'id' ],
                                              'message': "Incident Channel for #%s created by @%s" % ( fi_number, request.form[ 'user_name' ] ),
                                              } )


        app.mm.posts.create_post( options = { 'channel_id': request.form[ 'channel_id' ],
                                              'message': 'Starting incident %s with discussion tagged as #%s' % ( fi_number, fi_number, ),
                                              } )


        return "" # "Starting incident %s in channel #%s." % ( fi_number, channel_name )
    else:
        return "Invalid command token."
    
@app.route( '/' )
def hello_world():
    return 'Hello, World!'