#!/usr/bin/env bash

name=day-"$1"

if [ -d day-"$name" ]; then
    echo "program $name already exists"
    exit 1
fi

mkdir -p "$name"/cmd/cli/testdata \
	"$name"/testdata "$name"/internal/one/testdata "$name"/internal/two/testdata
touch "$name"/makefile

cat <<EOT >> "$name"/makefile
program = $name

GO = go
SRC_DIR := src
BIN_DIR := bin

EXE := \$(BIN_DIR)/\$(program)

.DEFAULT_GOAL := build

.PHONY: fmt vet build bench clean
fmt:        
	\$(GO) fmt ./...

vet: fmt        
	\$(GO) vet ./...

build: vet | \$(BIN_DIR)
	\$(GO) build -o \$(EXE) ./\$(SRC_DIR)

bench:
	\$(GO) test ./internal/one/ -bench=. > internal/one/benchmark
	\$(GO) test ./internal/two/ -bench=. > internal/two/benchmark
	\$(GO) test . -count=10 -bench=. > benchmark

\$(BIN_DIR):
	@mkdir -p \$@

clean:
	@rm -rv \$(BIN_DIR)
EOT

cat <<EOT >> "$name"/cmd/cli/main.go
/********************************************************************************
    Advent of Code 2024 - $name
********************************************************************************/

package main

func main() {
    
}
EOT

cd "$name" || exit

go mod init github.com/onyx-and-iris/aoc2024/"$name"