#!/bin/bash
# import-qwen-oauth.sh - Import Qwen OAuth to any platform
# Usage: source import-qwen-oauth.sh && <platform-command>

set -e

echo "╔═══════════════════════════════════════════════════════════════╗"
echo "║         QWEN OAUTH CROSS-PLATFORM IMPORTER                   ║"
echo "║         FREE: 2,000 requests/day, 60 req/min                 ║"
echo "╚═══════════════════════════════════════════════════════════════╝"

# Check if Qwen Code is installed
if ! command -v qwen &> /dev/null; then
    echo "📦 Qwen Code not found. Installing..."
    npm install -g @qwen-code/qwen-code@latest
fi

# Check if Qwen Code is authenticated
if [ ! -d ~/.qwen ]; then
    echo ""
    echo "❌ Qwen Code not authenticated."
    echo ""
    echo "Please run:"
    echo "  qwen"
    echo "  /auth    # Select 'Qwen OAuth'"
    echo ""
    echo "Then run this script again."
    exit 1
fi

# Find OAuth token file
TOKEN_FILES=$(find ~/.qwen -name "*.json" -type f 2>/dev/null)
if [ -z "$TOKEN_FILES" ]; then
    echo "❌ No OAuth token found in ~/.qwen/"
    echo "   Please authenticate first: qwen && /auth"
    exit 1
fi

# Try to extract token from various file formats
QWEN_TOKEN=""
for TOKEN_FILE in $TOKEN_FILES; do
    # Try different JSON structures
    QWEN_TOKEN=$(cat "$TOKEN_FILE" | jq -r '.access_token // .token // .accessToken // .credentials?.token // empty' 2>/dev/null)
    if [ -n "$QWEN_TOKEN" ] && [ "$QWEN_TOKEN" != "null" ]; then
        echo "✅ Found token in: $TOKEN_FILE"
        break
    fi
done

if [ -z "$QWEN_TOKEN" ] || [ "$QWEN_TOKEN" = "null" ]; then
    echo "❌ Could not extract OAuth token"
    echo "   Token files found but no valid token structure"
    echo "   Try re-authenticating: qwen && /auth"
    exit 1
fi

# Export environment variables
export OPENAI_API_KEY="$QWEN_TOKEN"
export OPENAI_BASE_URL="https://api.qwen.ai/v1"
export OPENAI_MODEL="qwen3-coder-plus"

# Save to .env for persistence
mkdir -p ~/.qwen
cat > ~/.qwen/.env << ENVEOF
# Qwen OAuth Configuration for Cross-Platform Use
# Generated: $(date)
OPENAI_API_KEY=$QWEN_TOKEN
OPENAI_BASE_URL=https://api.qwen.ai/v1
OPENAI_MODEL=qwen3-coder-plus

# Usage:
#   source ~/.qwen/.env && openclaw
#   source ~/.qwen/.env && nanobot gateway
#   source ~/.qwen/.env && picoclaw gateway
#   source ~/.qwen/.env && zeroclaw gateway
ENVEOF

chmod 600 ~/.qwen/.env

echo ""
echo "✅ Qwen OAuth imported successfully!"
echo ""
echo "   OPENAI_API_KEY=***${QWEN_TOKEN: -8}"
echo "   OPENAI_BASE_URL=$OPENAI_BASE_URL"
echo "   OPENAI_MODEL=$OPENAI_MODEL"
echo ""
echo "✅ Configuration saved to ~/.qwen/.env"
echo ""
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo "Usage with platforms:"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo ""
echo "  source ~/.qwen/.env && openclaw"
echo "  source ~/.qwen/.env && nanobot gateway"
echo "  source ~/.qwen/.env && picoclaw gateway"
echo "  source ~/.qwen/.env && zeroclaw gateway"
echo ""
echo "Free tier limits: 2,000 requests/day, 60 requests/minute"
echo ""