#!/usr/bin/env python3
from bottle import route, run, request, install, response
from bottle_sqlite import SQLitePlugin
import json

install(SQLitePlugin(dbfile='test.db'))

def ip_from_name(db, machine):
    cur = db.execute('SELECT ip FROM machines where name=?', (machine,))
    row = cur.fetchone()
    if row is None:
        return None
    return row[0]

def next_port(db, ip):
    BASE_PORT=8000
    cur = db.execute('SELECT port FROM domains where ip=? order by port desc limit 1', (ip,))
    row = cur.fetchone()
    if row is None:
        return BASE_PORT

    return row[0]+1

def turn_me_to_json(cursor,res):
    out = []
    for row in res:
        v = {}
        for i, val in enumerate(row):
            v[cursor.description[i][0]]=val
        out.append(v)
    return out

@route('/machines/', method='GET')
def get_machines(db):
    c = db.execute('SELECT mgroup,name,ip FROM machines')
    out = turn_me_to_json(c,c.fetchall())
    response.content_type = "application/json"
    return json.dumps(out)

@route('/machines/<group>/<name>/<ip>', method='PUT')
def put_machines(db, group, name, ip):
    c = db.execute('UPDATE machines set mgroup=? and name=? where ip=?', (group,name,ip))
    if c.rowcount == 0:
        c = db.execute('INSERT INTO machines (mgroup,name,ip) values(?,?,?)', (group,name,ip))

@route('/domains/', method='GET')
def get_domains(db):
    c = db.execute('SELECT ip,port,domain,subdomain,user FROM domains')
    out = turn_me_to_json(c,c.fetchall())
    response.content_type = "application/json"
    return json.dumps(out)

@route('/domains/<machine>', method='PUT')
def put_domain(db, machine ):
    if request.json is None or \
        "domain" not in request.json or \
        "user" not in request.json or \
        "subdomain" not in request.json:
        response.status=400
        return
    ip = ip_from_name(db,machine)
    if ip is None:
        response.status=400
        return
    port = next_port(db,ip)
    domain = request.json["domain"]
    user = request.json["user"]
    sub = request.json["subdomain"]

    print(domain)
    c = db.execute('UPDATE domains set domain = ?, user = ? where ip=? and subdomain=?', 
            (domain,user,ip,sub))

    if c.rowcount == 0:
        print("inserting!")
        c = db.execute('INSERT INTO domains(domain,subdomain,user,port,ip) VALUES (?,?,?,?,?)', 
            (domain,sub,user,port,ip))
    else:
        print("updating! %d" % c.rowcount)
        print(domain,port,user,ip,sub)

run(host='localhost', port=8080)