#!/usr/bin/env zsh
setopt ERR_EXIT PIPE_FAIL NOUNSET

# Collect staged PHP and Twig files
STAGED_PHP=()
while IFS= read -r file; do
    [[ -n "$file" ]] && STAGED_PHP+=("$file")
done < <(git diff --cached --name-only --diff-filter=ACMR | grep -E '\.php$' || true)

STAGED_TWIG=()
while IFS= read -r file; do
    [[ -n "$file" ]] && STAGED_TWIG+=("$file")
done < <(git diff --cached --name-only --diff-filter=ACMR | grep -E '\.twig$' || true)

if [[ ${#STAGED_PHP[@]} -eq 0 && ${#STAGED_TWIG[@]} -eq 0 ]]; then
    exit 0
fi

# Use exec if the service is up, otherwise spin up a one-off container
if docker compose exec -T php true 2>/dev/null; then
    DOCKER_CMD=(docker compose exec -T php)
else
    echo "PHP service not running — using docker compose run..."
    DOCKER_CMD=(docker compose run --rm php)
fi

if [[ ${#STAGED_PHP[@]} -gt 0 ]]; then
    echo "PHP (${#STAGED_PHP[@]} file(s)): Rector → CS-Fixer → PHPStan"

    echo "  → Rector"
    "${DOCKER_CMD[@]}" vendor/bin/rector process "${STAGED_PHP[@]}"
    git add "${STAGED_PHP[@]}"

    echo "  → PHP-CS-Fixer"
    "${DOCKER_CMD[@]}" vendor/bin/php-cs-fixer fix --config=.php-cs-fixer.dist.php "${STAGED_PHP[@]}"
    git add "${STAGED_PHP[@]}"

    echo "  → PHPStan"
    "${DOCKER_CMD[@]}" vendor/bin/phpstan analyse "${STAGED_PHP[@]}" --no-progress
fi

if [[ ${#STAGED_TWIG[@]} -gt 0 ]]; then
    echo "Twig (${#STAGED_TWIG[@]} file(s)): Twig-CS-Fixer"

    echo "  → Twig-CS-Fixer"
    "${DOCKER_CMD[@]}" vendor/bin/twig-cs-fixer fix "${STAGED_TWIG[@]}"
    git add "${STAGED_TWIG[@]}"
fi