#!/usr/bin/env python3

from jinja2 import Environment
import sqlite3

con = sqlite3.connect('new_eden.db')
cur = con.cursor()

def genLabel(name):
  name = str.replace(name, "-","")
  name = str.replace(name, " ","")
  return name

def id2name(id):
  r = cur.execute("SELECT * FROM systems WHERE id="+str(id))
  row = r.fetchone()
  return row[1]

systems = []
deps = []
processed = []

r = cur.execute("SELECT distinct id FROM systems WHERE region_id=10000027")
for system in r.fetchall():

  processed.append(system[0])

  temp_systems = {}
  temp_systems['name'] = id2name(system[0])
  temp_systems['label']= genLabel(id2name(system[0]))

  temp_gateways = []
  r = cur.execute( "SELECT systen_id_to FROM gates WHERE system_id_from="+str(system[0]) )
  for gateway in r.fetchall():
    temp_gateways.append(genLabel(id2name(gateway[0])))
    deps.append(gateway[0])
  temp_systems['gateways'] = temp_gateways

  systems.append(temp_systems)


for dep in deps:
  if not dep in processed:
    temp_systems = {}
    temp_systems['name'] = id2name(dep)
    temp_systems['label']= genLabel(id2name(dep))
    processed.append(dep)
    systems.append(temp_systems)

con.close()

template = """
digraph {{name}} {
  concentrate=true
  layout=sfdp
  overlap = false;
  splines = true;

{% for system in systems %}
  "{{system.label}}" [label="{{system.name}}", URL="https://evemaps.dotlan.net/system/{{system.name}}"]
{% for gateway in system.gateways %}  "{{system.label}}" -> "{{gateway}}" [arrowhead="none"];
{% endfor %}{% endfor %}
}
"""
print(Environment().from_string(template).render(systems=systems))
# print(systems)