#!/usr/bin/env bash
set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
cd "${SCRIPT_DIR}"

# 路径修正：validate-env.sh 在 deploy/ 目录下，而 .env 在项目根目录
# 项目根目录 = deploy/../ = ../
ENV_FILE="../.env"

if [ ! -f "$ENV_FILE" ]; then
    echo "Error: .env file not found at $(readlink -f "$ENV_FILE")"
    echo "Please copy .env.example to .env and configure it."
    exit 1
fi

echo "Validating iam-front .env configuration..."

# Helper to read env var
get_env() {
    local key=$1
    local val
    val=$(grep "^${key}=" "$ENV_FILE" | cut -d= -f2- | tr -d '"' | tr -d "'")
    echo "$val"
}

# 1. 检查必要变量
REQUIRED_VARS=(
    "IAM_SERVICE_BASE_URL"
    "CAPTCHA_SECRET"
)

for var in "${REQUIRED_VARS[@]}"; do
    val=$(get_env "$var")
    if [ -z "$val" ]; then
        echo "Error: $var is required in .env"
        exit 1
    fi
done

# 2. 检查 Docker 模式下 localhost
DEPLOY_TARGET="${DEPLOY_TARGET:-}"
if [ "$DEPLOY_TARGET" == "docker" ]; then
    IAM_URL=$(get_env "IAM_SERVICE_BASE_URL")
    if [[ "$IAM_URL" == *"localhost"* ]] || [[ "$IAM_URL" == *"127.0.0.1"* ]]; then
        echo "Error: IAM_SERVICE_BASE_URL contains localhost/127.0.0.1"
        echo "In Docker, this refers to the container itself."
        echo "Please use the host IP or docker-compose service name (if in same network)."
        exit 1
    fi
fi

echo "iam-front .env validation OK"