install-mac.sh

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

MODEL="deepseek-v4-pro[1m]"
FAST_MODEL="deepseek-v4-flash"
CLAUDE_DIR="$HOME/.claude"
SETTINGS_FILE="$CLAUDE_DIR/settings.json"
HELPER_FILE="$CLAUDE_DIR/deepseek-api-key-helper.sh"

echo "Claude Code + DeepSeek macOS 一键配置"
echo

if ! command -v npm >/dev/null 2>&1; then
  echo "未检测到 npm。请先安装 Node.js LTS："
  echo "https://nodejs.org/"
  exit 1
fi

if ! command -v claude >/dev/null 2>&1; then
  echo "正在安装 Claude Code..."
  npm install -g @anthropic-ai/claude-code
else
  echo "已检测到 Claude Code：$(claude --version 2>/dev/null || true)"
fi

mkdir -p "$CLAUDE_DIR"

echo
echo "请输入你的 DeepSeek API Key。输入时不会显示在屏幕上。"
printf "DeepSeek API Key: "
IFS= read -r -s DEEPSEEK_API_KEY
echo

if [ -z "$DEEPSEEK_API_KEY" ]; then
  echo "API Key 不能为空。"
  exit 1
fi

security add-generic-password \
  -a "$USER" \
  -s deepseek-api-key \
  -w "$DEEPSEEK_API_KEY" \
  -U >/dev/null

cat > "$HELPER_FILE" <<'EOF'
#!/usr/bin/env sh
security find-generic-password -a "$USER" -s deepseek-api-key -w
EOF
chmod 700 "$HELPER_FILE"

if [ -f "$SETTINGS_FILE" ]; then
  BACKUP_FILE="$SETTINGS_FILE.bak.$(date +%Y%m%d%H%M%S)"
  cp "$SETTINGS_FILE" "$BACKUP_FILE"
  echo "已备份原配置：$BACKUP_FILE"
fi

cat > "$SETTINGS_FILE" <<EOF
{
  "apiKeyHelper": "$HELPER_FILE",
  "env": {
    "ANTHROPIC_BASE_URL": "https://api.deepseek.com/anthropic",
    "ANTHROPIC_MODEL": "$MODEL",
    "ANTHROPIC_DEFAULT_OPUS_MODEL": "$MODEL",
    "ANTHROPIC_DEFAULT_SONNET_MODEL": "$MODEL",
    "ANTHROPIC_DEFAULT_HAIKU_MODEL": "$FAST_MODEL",
    "CLAUDE_CODE_SUBAGENT_MODEL": "$FAST_MODEL",
    "CLAUDE_CODE_EFFORT_LEVEL": "xhigh",
    "API_TIMEOUT_MS": "3000000",
    "CLAUDE_CODE_DISABLE_NONESSENTIAL_TRAFFIC": "1"
  },
  "model": "$MODEL"
}
EOF
chmod 600 "$SETTINGS_FILE"

echo
echo "配置完成。请重新打开终端，然后运行："
echo
echo "  claude"
echo
echo "也可以先测试："
echo
echo "  claude -p \"你好，只回答 OK\""
echo
echo "默认模型：$MODEL"
echo "快速模型：$FAST_MODEL"