#!/usr/bin/python
# This Python file uses the following encoding: utf-8

import sys
from collections import OrderedDict

#id,mounting_point_schedule_id,structure_element_id,main_structure_element_id,name,main_name

def readBarcodes(filename):
  ret = OrderedDict()

  with open(filename, "r") as f:
    lines = f.read().split("\n")
    cols = lines[0].strip().split(',')

    assert cols[1].lower() == "mounting_point_schedule_id"
    assert cols[2].lower() == "structure_element_id"
    assert cols[3].lower() == "main_structure_element_id"
    assert cols[4].lower() == "name"
    assert cols[5].lower() == "main_name"

    rows = [line.strip() for line in lines[1:] if line.strip() != ""]
    for row in rows:
      items = row.split(",")
      ret[items[1], items[4], items[5]] = items[2]

  return ret


def appendBarcodeUpdates(outputFile, barcodes):
  """Append an SQL INSERT statement for MPP."""
  lines = []
  for key in barcodes.keys():
    mpp_id, name, main_name = key
    update = "INSERT INTO ism.ism_mounting_point_plan (mounting_point_schedule_id, structure_element_id) VALUES (%s, (select se.id from ism.ism_structure_element se, ism.ism_main_structure_element mse where se.name = '%s' AND mse.id = se.main_structure_element_id AND mse.name = '%s'));" % (mpp_id, name, main_name)
    lines.append(update)

  with open(outputFile, "w") as f:
    for line in lines:
      f.write(line + "\n")


if __name__ == "__main__":
  barcodeFile = sys.argv[1]
  barcodes = readBarcodes(barcodeFile)

  sqlOutputFile = sys.argv[2]
  appendBarcodeUpdates(sqlOutputFile, barcodes)