#!/bin/bash

rm -f ./developers.sqlite

source ./common.sh

RECIPES=./recipes
FILES=$(mktemp)
SUPPLY=$(realpath ./supply.csv)

mkdir -p recipes

hasRecipe () {
	query="SELECT recipe_id FROM recipes WHERE (name = '${1}') LIMIT 1;"
	db "${query}"
}

createRecipe () {
	id=$(createUUID)
	name="${1}"
	query="INSERT OR IGNORE INTO recipes (recipe_id, name) VALUES ('${id}', '${name}');"
	db "${query}"
	echo "${id}"
}

hasChemical () {
	query="SELECT chemical_id FROM chemicals WHERE (name = '${1}') LIMIT 1;"
	db "${query}"
}

createChemical () {
	chemical_id="$(createUUID)"
	query="INSERT OR IGNORE INTO chemicals (chemical_id, name) VALUES ('${chemical_id}', '${1}');"
	db "${query}"
}

chemical () {
	chemical_id=$(hasChemical "${1}")
	if [[ "${chemical_id}" == "" ]]; then
		chemical_id=$(createChemical "${1}");
	fi
	echo "${chemical_id}"
}

hasSupply () {
	query="SELECT supply_id FROM supply WHERE (url = '${1}') LIMIT 1;"
	db "${query}"
}

component () {
	cols="${1}"
	IFS=',' read -ra VALS <<< "${2}"
	recipe_id="${3}"
	id=$(createUUID)
	query="INSERT OR IGNORE INTO components (component_id,recipe_id,${cols}) VALUES ('${id}','${recipe_id}',"
	before=""
	first=""
	for i in "${VALS[@]}"; do
		val=NULL
		if [[ "${first}" == "" ]]; then
			chemical_id=$(chemical "${i}")
			val="'${chemical_id}'"
			first="completed"
		elif [[ "${i}" != "" ]]; then
			val="'${i}'"
		fi
		query="${query}${before}${val}"
		before=","
	done

	query="${query});"
	echo "${query}"
	db "${query}"
}

import () {
	name=$(basename "${1}")
	name=${name%.*}
	name=$(echo ${name} | sed 's/_/ /g')

	recipe_id=$(hasRecipe "${name}")
	if [[ "${recipe_id}" != "" ]]; then
		echo "${name} recipe already exists."
		return
	else
		recipe_id=$(createRecipe "${name}")
	fi
	cols="chemical,grams,milliliters,makes"
	while read line; do
		line=$(echo "${line}" | xargs)
		if [[ "${line}" == "chemical"* ]]; then
			cols="${line}"
			cols="${cols/chemical,/chemical_id,}"
			continue
		fi
		component "${cols}" "${line}" "${recipe_id}"
	done < "${1}"

	echo "Imported ${name}."
}

list () {
	echo "RECIPES:"
	db "SELECT name FROM recipes ORDER BY name DESC;"
	echo "CHEMICALS:"
	db "SELECT name FROM chemicals ORDER BY name DESC"
}

supply () {
	line=$(echo "${1}" | xargs)
	first=""
	before=""

	if [[ "${line}" == "chemical,"* ]]; then
		return
	fi

	chemical=$(echo "${line}" | awk -F',' '{print $1}')
	url=$(echo "${line}" | awk -F',' '{print $2}')

	chemical_id=$(chemical "${chemical}")
	has_supply=$(hasSupply "${url}")

	if [[ "${has_supply}" != "" ]]; then
		return
	fi
	supply_id=$(createUUID)
	query="INSERT OR IGNORE INTO supply (supply_id,chemical_id,url,grams,milliliters,price) VALUES ('${supply_id}','${chemical_id}',"
	IFS=',' read -ra VALS <<< "${line}"
	for i in "${VALS[@]}"; do
		if [[ "${first}" == "" ]]; then
			first="complete"
			continue
		fi
		val=NULL
		if [[ "${i}" != "" ]]; then
			val="'${i}'"
		fi
		query="${query}${before}${val}"
		before=","
	done
	query="${query});"
	#echo "${query}"

	db "${query}"
	ratio=$(db "SELECT round((price/100.0)/grams, 2) FROM supply WHERE (supply_id = '${supply_id}');")
	echo "${chemical}: ${ratio} $/g"
}

priceRecipe () {
	recipesList=$(mktemp)
	query="SELECT r.recipe_id FROM recipes AS r ORDER BY r.name;"
	db "${query}" > "${recipesList}"

	while read id; do
		db "SELECT name FROM recipes WHERE recipe_id = '${id}' LIMIT 1;"
		echo "---"
		db "SELECT COUNT(*) FROM components WHERE recipe_id = '${id}';"
		query="SELECT ch.name FROM components AS c
			INNER JOIN chemicals AS ch ON ch.chemical_id = c.chemical_id
		WHERE c.recipe_id = '${id}';"
		db "${query}"
		echo " "
	done < "${recipesList}"
}

ls -1 "${RECIPES}/"*.csv > "${FILES}"

while read file; do
	import "${file}"
done < "${FILES}"
echo "---"
while read line; do
	supply "${line}"
done < "${SUPPLY}"
echo "---"

priceRecipe
#list