#!/bin/bash
set -e

# === PATH SETUP ===
PARENT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
CONFIG_FILE="$PARENT_DIR/config.json"
ENV_FILE="$PARENT_DIR/.env"

# --- Check .env file ---
if [[ ! -f "$ENV_FILE" ]]; then
  echo "[ERROR] .env file not found. Please copy .env.example to .env and configure it."
  exit 1
fi

# --- Check jq availability ---
if ! command -v jq &>/dev/null; then
  echo "[ERROR] 'jq' is required. Install it with: brew install jq"
  exit 1
fi

# --- Extract values from config.json ---
ICON_PATH=$(jq -r '.icon_path' "$CONFIG_FILE")
APP_NAME=$(jq -r '.app_name' "$CONFIG_FILE")
ARCHITECTURE=$(jq -r '.architecture' "$CONFIG_FILE")

# --- Extract PYTHON_PATH from .env ---
SYSTEM_PYTHON=$(grep -E "^PYTHON_PATH=" "$ENV_FILE" | cut -d '=' -f2)

VENV_PATH="$PARENT_DIR/MACenv_$ARCHITECTURE"
EXE_NAME="${APP_NAME}-MacOS-${ARCHITECTURE}"
PYTHON_IN_VENV="$VENV_PATH/bin/python"

# --- Verify Python existence ---
if [[ ! -x "$SYSTEM_PYTHON" ]]; then
  echo "[ERROR] Python not found at: $SYSTEM_PYTHON"
  exit 1
fi

# --- Check if virtual environment exists ---
if [[ ! -f "$VENV_PATH/bin/activate" ]]; then
  echo "[INFO] Virtual environment not found. Creating..."
  "$SYSTEM_PYTHON" -m venv "$VENV_PATH"
  "$PYTHON_IN_VENV" -m pip install --upgrade pip
  "$PYTHON_IN_VENV" -m pip install -r "$PARENT_DIR/requirements.txt"
else
  echo "[INFO] Virtual environment found."
fi

# --- Run PyInstaller ---
"$PYTHON_IN_VENV" -m PyInstaller \
  --distpath "$PARENT_DIR/build" \
  --workpath "$PARENT_DIR/build/dist" \
  --clean \
  "$PARENT_DIR/BUILD.spec"

# --- Clean build cache ---
rm -rf "$PARENT_DIR/build/dist"

echo "[INFO] Build complete: $EXE_NAME"