#!/bin/bash
#
# Convert "doctype mapping" CSV to json
# Current assumes Mission Global output mapping
#
# Usage: dtm2json.sh /path/to/csvfile

FILE=$1
if [ ! -f "${FILE}" ]; then
	echo "Input file '${FILE}' not found"
	echo "Usage: dtm2json.sh /path/to/csv"
	exit 2
fi

cat << EOF
// GENERATED FILE - DO NOT EDIT
// Created on: `date`
{
  "jobType": "LOAN",
  "fileType": "DocTypeMappings",
  "name": "MISSION GLOBAL",
  // TransformBot ::
  // 1. The doctype itself is just data within sdc.classification.value.doctype
  // 2. The filename is assumed (really required) to include a zero padded 4 digit prefix (0001);
  //	optional unique sequence alpha chars (yzz); an underscore and then doctype duplicated from #1
  // 	The logic 
  // 3. The full set of mappings[x] are run against all SDCs and they control many (SLI) to one (customer)
  // 	doctype mappings which change the doctype for every sdc ALONG with
  // 	changing the actual filename whilst preserving the filename prefix
  // 4. Finally, the output_naming_rules are applied IN ORDER to munge the output name
  // OutflowBot ::
  // 1.	Given renamed sdc/doctype model, outflow will write flat or if directed via workflow_config,
  //	hierarchical output using mappings[x].category values
  // 2. The category names can be prepended or appended using output_naming_rules.category_prefix/suffix
  //    which use subset of substitutions as shown below, namely only {p}, {j} and literal text
  "output_naming_rules":{
	 // Prepend (or append) these to all doctype names this is an amalgam of:
	 //		 * a NumberFormat -- 0000 is the normative SLEDS value
	 //		 * the token: {%} (the alpha sequence chars)
	 //		 * the token: {n} (the orig 4 digit sequence)
	 //		 * the token: {p} (the package name)
	 //		 * the token: {j} (the job name)
	 //		 * the token: {*:',#'#} if a subdoc type exists more than once, 
	 //			append a unique count based on subdoc type occurence indicated by NumberFormat following colon
	 //		 * a literal that does not have a 0/#/{x} substring
	 //		if namePrefix is omitted original name is used
	 //      use 0000{%}_ to match default SLEDS behavior
     "prefix": 	["{p}", " - "],
     "suffix": 	["{*:' #'#}"],				
	 // Next two apply to mapped doctype itself
     "upperCase":  false,			
	 "lowerCase":  false,

	 // category naming only
     "category_prefix": ["{p}", " - "]	 
  },

EOF
/sl/bin/csv2json.sh --json=mappings --file="${FILE}" 2>/dev/null | awk '
	/^{\"mappings\":\[/	{
		printf "\"mappings\":[\n"
		next
	}
	{
		print $0
	}
'