#!/bin/bash
set -e

# CONTRACT: docs/BUDGETS.md
# DO NOT CHANGE THESE VALUES WITHOUT UPDATING THE CONTRACT FIRST.
MAX_TOTAL_SIZE_KB=5000 # 5MB
MAX_JS_ENTRY_KB=800    # 800KB

REPO_ROOT=$(git rev-parse --show-toplevel)
WEB_DIR="$REPO_ROOT/apps/web"
DIST_DIR="$WEB_DIR/dist"

echo "📍 Frontend Bundle Size Check (Strict)"
echo "📜 Contract: docs/BUDGETS.md"

if [ ! -d "$DIST_DIR" ]; then
    echo "❌ Dist directory not found. Run build first."
    exit 1
fi

# Calculate total size
TOTAL_SIZE_KB=$(du -sk "$DIST_DIR" | cut -f1)

echo "📊 Total Bundle Size: ${TOTAL_SIZE_KB}KB"
echo "   Invariant Limit:   ${MAX_TOTAL_SIZE_KB}KB"

if [ "$TOTAL_SIZE_KB" -gt "$MAX_TOTAL_SIZE_KB" ]; then
    echo "❌ FATAL: OBESITY DETECTED."
    echo "   The bundle exceeds the hard limit set in the Frugality Manifesto."
    echo "   You must reduce the size or initiate a formal debate to change the limit."
    exit 1
fi

echo "✅ Bundle adheres to strict diet."