#!/bin/bash

db_file=games_anon.db

#chosen_players="AaaarghBot Tiltak_Bot TakticianBot"
chosen_players=""

query() {
		query="(size == $1) and (result != '1-0') and (result != '0-1') and (result != '0-0') and (result != '1/2-1/2')"
		selct=""
		for player in $chosen_players; do
				selct="$selct(player_black == '$player') or (player_white == '$player') or "
		done;
		if [ -n "$selct" ]; then
				query="$query and (${selct:0:-4})"
		fi
		echo "SELECT $2 FROM games WHERE $query;"
}

extract() {
		size="$1"
		things="$2"
		if [ ! -f "data/$db_file" ]; then
				curl "https://www.playtak.com/games_anon.db" -o "data/$db_file"
		fi
		echo Extracing games of size "$size"...
		sqlite3 "data/$db_file" "$(query $size $things)" | shuf > "data/playtak-$size"
}

process() {
		size=$1
		num_games=$2
		fn=$3

		./pptdb "$size" "data/playtak-$size" > "data/check-$size"
		tail -n22 "data/check-$size"
		echo -ne "\tStripping overflows and illegal games... "
		grep -Fvxf "data/check-$size" "data/playtak-$size" > "data/good-playtak-$size-all"

		shuf "data/good-playtak-$size-all" > "data/good-playtak-$size"
		rm "data/good-playtak-$size-all"

		echo -en "Done.\n\tGenerating training data... "
		./pptdb "$size" "data/good-playtak-$size" generate

		echo -en "\tChoosing $num_games of $(wc -l data/training-$size.csv | cut -d\  -f1) samples... "
		shuf -n $num_games "data/training-$size.csv" > "data/shuf-$size.csv"

		echo -en "Done.\n\tCompressing data... "
		mv "data/shuf-$size.csv" "data/$fn-$size.csv"
		if [ -f "data/$fn-$size.csv.zst" ]; then
							rm "data/$fn-$size.csv.zst"
		fi
		zstd --rm -13 "data/$fn-$size.csv"
		echo "Done, available in data/$fn-$size.csv.zst"
}

if [ ! -d data ]; then
	mkdir data
fi

make pptdb

for size in 5; do
		echo
		extract $size notation,result
		process $size 1000000 training
done