ISO3166_COUNTRYCODE_INDEX = 0
ISO3166_COUNTRYNAME_INDEX = 1

REGIONCODES_COUNTRYCODE_INDEX = 0
REGIONCODES_REGIONCODE_INDEX = 1
REGIONCODES_REGIONNAME_INDEX = 2

GEOIPBLOCKS_BEGINIP_INDEX = 0
GEOIPBLOCKS_ENDIP_INDEX = 1
GEOIPBLOCKS_LOCID_INDEX = 2

GEOIPLOCATIONS_LOCID_INDEX = 0
GEOIPLOCATIONS_COUNTRY_INDEX = 1
GEOIPLOCATIONS_REGION_INDEX = 2
GEOIPLOCATIONS_CITY_INDEX = 3
GEOIPLOCATIONS_POSTALCODE_INDEX = 4
GEOIPLOCATIONS_LATITUDE_INDEX = 5
GEOIPLOCATIONS_LONGITUDE_INDEX = 6
GEOIPLOCATIONS_METROCODE_INDEX = 7
GEOIPLOCATIONS_AREACODE_INDEX = 8

GEOIPISP_BEGINIP_INDEX  = 0
GEOIPISP_ENDIP_INDEX    = 1
GEOIPISP_COMPANY_INDEX  = 2

JAMISP_BEGINIP_INDEX    = 0
JAMISP_ENDIP_INDEX      = 1
JAMISP_COMPANY_INDEX    = 2

# the goal is to specify just  enough data to build out a score (a 'leaf' in maxmind data)
def tiny_maxmind_dataset

  region_codes = [
      ["US","TX","Texas"]
  ]

  iso3166 = [
      ["US", "United States"]
  ]

  # table=max_mind_isp
  geo_ip_isp_142 = [
      ["1.0.0.0","1.0.0.255","US","Google"],
      ["1.0.1.0","1.0.1.255","US","Time Warner"],
      ["1.0.2.0","1.0.2.255","US","AT&T"]
  ]

  # table=max_mind_geo
  geo_ip_city_139 = [
      ["1.0.0.0","1.0.0.255","US","TX","Austin","78759","30.4000","-97.7528","635","512"], # original: 4.15.0.0,   4.15.0.255   (68091904, 68092159), locid=1504
      ["1.0.1.0","1.0.1.255","US","TX","Austin","78701","30.2678","-97.7426","635","512"], # original: 4.28.169.0, 4.28.169.255 (68987136, 68987391), locid=1102
      ["1.0.2.0","1.0.2.255","US","TX","Austin","78729","30.4549","-97.7565","635","512"]  # original: 4.30.69.0,  4.30.69.127  (69092608, 69092735), locid=14655
  ]

  # table=geoipblocks, file=GeoIPCity-134-Blocks.csv
  geo_ip_city_134_blocks = [
    [68091904, 68092159, 1504],
    [68987136, 68987391, 1102],
    [69092608, 69092735, 14655]
  ]

  # table=geoiplocations, file=GeoIpCity-134-Locations.csv
  geo_ip_city_134_locations = [
      [1504,"US","TX","Austin","78759",30.4000,-97.7528,635,512],
      [1102,"US","TX","Austin","78701",30.2678,-97.7426,635,512],
      [14655,"US","TX","Austin","78729",30.4549,-97.7565,635,512]
  ]

  #table=geoipisp
  geo_ip_isp = [
    [401604608,401866751,"Time Warner Cable"]
  ]

  {
      region_codes: region_codes,
      iso3166: iso3166,
      geo_ip_isp_142: geo_ip_isp_142,
      geo_ip_city_139: geo_ip_city_139,
      geo_ip_city_134_blocks: geo_ip_city_134_blocks,
      geo_ip_city_134_locations: geo_ip_city_134_locations,
      geo_ip_isp: geo_ip_isp
  }
end

def write_content_to_tmp_file(name, content, prefix = '')
  file = Tempfile.new([name.to_s, '.csv'])
  File.open(file, 'w') {|f| f.write(to_csv(content, prefix)) }
  file
end

def dataset_to_tmp_files(dataset=tiny_maxmind_dataset)
  tmp_files = {}

  geo_ip_isp_124 = write_content_to_tmp_file(:geo_ip_isp, dataset[:geo_ip_isp])
  tmp_files[:geo_ip_124_files] = { 'GeoIPISP.csv' => geo_ip_isp_124 }

  geo_ip_isp_134_blocks = write_content_to_tmp_file(:geo_ip_city_134_blocks, dataset[:geo_ip_city_134_blocks],
                                                    "Copyright (c) 2011 MaxMind Inc.  All Rights Reserved.\n" +
                                                    "startIpNum,endIpNum,locId\n")
  geo_ip_isp_134_locations = write_content_to_tmp_file(:geo_ip_city_134_locations, dataset[:geo_ip_city_134_locations],
                                                    "Copyright (c) 2012 MaxMind LLC.  All Rights Reserved.\n" +
                                                    "locId,country,region,city,postalCode,latitude,longitude,metroCode,areaCode\n")
  tmp_files[:geo_ip_134_files] = { 'GeoIPCity-134-Blocks.csv' => geo_ip_isp_134_blocks , 'GeoIPCity-134-Location.csv' => geo_ip_isp_134_locations }

  tmp_files[:region_codes] = write_content_to_tmp_file(:region_codes, dataset[:region_codes])
  tmp_files[:iso3166] = write_content_to_tmp_file(:iso3166, dataset[:iso3166])

  tmp_files
end

# to be used with maxmind datasets (should be an array of arrays)
def to_csv(content, prefix = '')
  buffer = prefix
  count = 0
  while count < content.length
    buffer += content[count].to_csv
    count = count + 1
  end
  buffer[0..buffer.length-2] # take off last trailing \n
end

# from here: http://stackoverflow.com/questions/2204058/show-which-columns-an-index-is-on-in-postgresql
def list_indexes(table_name)
  result = GeoIpBlocks.connection.execute("select
    i.relname as index_name,
    array_to_string(array_agg(a.attname), ', ') as column_names
from
    pg_class t,
    pg_class i,
    pg_index ix,
    pg_attribute a
where
    t.oid = ix.indrelid
    and i.oid = ix.indexrelid
    and a.attrelid = t.oid
    and a.attnum = ANY(ix.indkey)
    and t.relkind = 'r'
    and t.relname = '#{table_name}'
group by
    t.relname,
    i.relname
order by
    t.relname,
    i.relname;")

  result.values.map { |row| row[0] }
end

def table_exists?(table_name)
  GeoIpBlocks.connection.select_value("SELECT 1
  FROM   pg_catalog.pg_class c
  JOIN   pg_catalog.pg_namespace n ON n.oid = c.relnamespace
  WHERE  n.nspname = 'public'
  AND    c.relname = '#{table_name}'");
end

def create_phony_database
  GeoIpBlocks.connection.execute("select generate_scores_dataset()").check
end

# helper to create scores for test; most tests don't care about anything but these 3 fields
def score_location(a_locidispid, b_locidispid, latency)
  Score.createx(a_locidispid, 'anodeid', 1, b_locidispid, 'bnodeid', 1, latency, nil)
end

def ip_from_num(num)
    IPAddr.new(num,  Socket::AF_INET).to_s
end

def austin_ip
  IPAddr.new(austin_ip_as_num,  Socket::AF_INET).to_s
end

def austin_ip_as_num
  0x0FFFFFFF
end

def dallas_ip
  IPAddr.new(dallas_ip_as_num,  Socket::AF_INET).to_s
end

def dallas_ip_as_num
  0x1FFFFFFF
end

def houston_ip
  IPAddr.new(houston_ip_as_num,  Socket::AF_INET).to_s
end

def houston_ip_as_num
  0x2FFFFFFF
end

def miami_ip
  IPAddr.new(miami_ip_as_num,  Socket::AF_INET).to_s
end

def miami_ip_as_num
  0x5FFFFFFF
end

def seattle_ip
  IPAddr.new(seattle_ip_as_num,  Socket::AF_INET).to_s
end

def seattle_ip_as_num
  0xAFFFFFFF
end

def create_geoip(locid)
  geoiplocation = GeoIpLocations.find_by_locid(locid)
  geoipblock = GeoIpBlocks.find_by_locid(locid)
  #jamisp = JamIsp.find_by_beginip(geoipblock.beginip)
  jamisp = nil
  coid = 0 #jamisp.coid
  {jamisp: jamisp, geoiplocation: geoiplocation, geoipblock: geoipblock, locidispid: Score.compute_locidispid(geoiplocation.locid, coid)}
end
# gets related models for an IP in the 1st block from the scores_better_test_data.sql
def austin_geoip
  create_geoip(17192)
end

# gets related models for an IP in the 1st block from the scores_better_test_data.sql
def dallas_geoip
  create_geoip(667)
end

# gets related models for an IP in the 1st block from the scores_better_test_data.sql
def houston_geoip
  create_geoip(30350)
end

def miami_geoip
  create_geoip(23565)
end

def seattle_geoip
  create_geoip(1539)
end

# attempts to make the creation of a score more straightforward.
# a_geoip and b_geoip are hashes with keys jamisp and geoiplocation (like those created by austin_geoip and dallas_geoip)
def create_score(a_geoip, b_geoip, user_info = {}, a_addr = a_geoip[:jamisp].beginip, b_addr = b_geoip[:jamisp].beginip,
    a_client_id = 'a_client_id', b_client_id = 'b_client_id', score = 10, score_dt = Time.now, score_data = nil)
  Score.createx(Score.create_locidispid(a_geoip[:geoiplocation], a_geoip[:jamisp]), a_client_id, a_addr,
                Score.create_locidispid(b_geoip[:geoiplocation], b_geoip[:jamisp]), b_client_id, b_addr,
                score, score_dt, score_data, user_info)
end

def locidispid_from_ip(ip_address)
  location = GeoIpLocations.lookup(ip_address)

  if location
    location[:locidispid]
  else
    nil
  end
end