#!/usr/bin/env bash
# Maker-output snapshot test.
# Runs the three Phase-2/Phase-3 makers in a clean temp app and diffs
# the output against the baselines in this directory. Detects silent
# generator drift: any change to a maker template requires the
# corresponding baseline to be updated in the same commit.

set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_ROOT="$(cd "$SCRIPT_DIR/../../../.." && pwd)"
BUNDLE="$PROJECT_ROOT/framework/php"
WORK="$(mktemp -d)"

trap 'rm -rf "$WORK"' EXIT INT TERM

# Mirror the skeleton's tracked files into the temp dir.
git -C "$PROJECT_ROOT" archive HEAD framework/skeleton/ | tar -xf - -C "$WORK"
APP="$WORK/framework/skeleton"

# Point the test app's path repo at the actual bundle dir (the
# default '../../php' would resolve relative to /tmp).
sed -i "s|\"../../php\"|\"$BUNDLE\"|" "$APP/symfony/composer.json"
rm -f "$APP/symfony/composer.lock"
( cd "$APP/symfony" && composer install --no-interaction --quiet )

# Remove the existing maker outputs so the regenerators don't bail.
rm -f "$APP/symfony/src/Entity/Todo.php"
rm -f "$APP/symfony/src/Controller/TodoController.php"
rm -f "$APP/qml/TodoList.qml"

# Run every maker we cover.
( cd "$APP/symfony" \
    && bin/console make:bridge:resource Todo --no-interaction >/dev/null \
    && bin/console make:bridge:command MarkAllDone --no-interaction >/dev/null \
    && bin/console make:bridge:window Todo --no-interaction >/dev/null )

# Compare each generated file to its snapshot baseline.
fail=0
check() {
    local generated="$1"
    local baseline="$2"
    if ! diff -q "$generated" "$baseline" >/dev/null 2>&1; then
        echo "✗ snapshot mismatch: $(basename "$baseline")" >&2
        diff -u "$baseline" "$generated" >&2 || true
        fail=1
    else
        echo "✓ $(basename "$baseline")"
    fi
}

check "$APP/symfony/src/Entity/Todo.php"               "$SCRIPT_DIR/Todo.php"
check "$APP/symfony/src/Controller/TodoController.php" "$SCRIPT_DIR/TodoController.php"
check "$APP/qml/TodoList.qml"                          "$SCRIPT_DIR/TodoList.qml"
check "$APP/symfony/src/Controller/MarkAllDoneController.php" "$SCRIPT_DIR/MarkAllDoneController.php"
check "$APP/qml/TodoWindow.qml"                        "$SCRIPT_DIR/TodoWindow.qml"

if [ "$fail" -ne 0 ]; then
    echo "Snapshot test failed. If the change is intended, update the baselines under $SCRIPT_DIR/." >&2
    exit 1
fi

echo "All maker outputs match snapshots."