#!/bin/zsh

echo "🛠  Starting API Dynamic Route Autofix (Next.js 15+)..."
echo ""

# Find all dynamic API routes like src/app/api/**/[something]/route.js
DYNAMIC_API=$(find src/app/api -type f -path "*/\[*\]/route.js")

RED=$(tput setaf 1)
YELLOW=$(tput setaf 3)
GREEN=$(tput setaf 2)
RESET=$(tput sgr0)

for FILE in $DYNAMIC_API; do
  echo "=========================================="
  echo "📄 Fixing API route: $FILE"

  # Extract folder name: [id], [modelId], [partId], etc.
  FOLDER=$(basename $(dirname "$FILE"))
  PARAM_NAME=${FOLDER//[\[\]]/}   # remove brackets

  echo "➡ Dynamic API param detected: ${GREEN}${PARAM_NAME}${RESET}"

  # Make backup
  cp "$FILE" "$FILE.bak"

  CONTENT=$(cat "$FILE")

  ############################################################
  # 1. Fix function signature
  ############################################################

  if echo "$CONTENT" | grep -q "export async function GET(request, { params })"; then
    echo "   🔧 Fixing signature..."

    sed -i '' "s/export async function GET(request, { params })/export async function GET(request, context) {\n  const { $PARAM_NAME } = await context.params;\n/" "$FILE"

  elif ! echo "$CONTENT" | grep -q "await context.params"; then
    echo "   🔧 Inserting param extraction at top of GET function..."

    sed -i '' "s/export async function GET([^)]*) {/export async function GET(request, context) {\n  const { $PARAM_NAME } = await context.params;/" "$FILE"
  else
    echo "   ✔ Signature already patched"
  fi

  ############################################################
  # 2. Fix incorrect usage of params.PARAM_NAME
  ############################################################

  if echo "$CONTENT" | grep -q "params.$PARAM_NAME"; then
    echo "   🔧 Removing old params.$PARAM_NAME usage..."
    sed -i '' "s/params\.$PARAM_NAME/$PARAM_NAME/g" "$FILE"
  else
    echo "   ✔ No old params.$PARAM_NAME found"
  fi

  ############################################################
  # 3. Validate presence of correct variable usage
  ############################################################

  if grep -q "$PARAM_NAME" "$FILE"; then
    echo "   ✔ Param $PARAM_NAME is being used correctly"
  else
    echo "   ${YELLOW}⚠ WARN:${RESET} Param '$PARAM_NAME' not found in file. You may need manual review."
  fi

  ############################################################
  echo "   ${GREEN}✔ API route successfully patched${RESET}"
  echo ""
done

echo "=========================================="
echo "🏁 API Dynamic Route Autofix Complete!"