#!/bin/bash

# GitHub Token 权限快速检查脚本
# 使用方法: ./check-github-token.sh YOUR_TOKEN YOUR_OWNER YOUR_REPO

TOKEN=$1
OWNER=$2
REPO=$3

if [ -z "$TOKEN" ] || [ -z "$OWNER" ] || [ -z "$REPO" ]; then
    echo "❌ 用法: $0 <github_token> <owner> <repo>"
    echo "例如: $0 ghp_xxxxxxxxxxxx myusername myrepo"
    exit 1
fi

echo "🔍 检查 GitHub Token 权限..."
echo "Token: ${TOKEN:0:8}..."
echo "仓库: $OWNER/$REPO"
echo "=" * 50

# 1. 检查 Token 基本权限
echo "📋 1. 检查 Token 基本权限..."
USER_RESPONSE=$(curl -s -H "Authorization: token $TOKEN" \
                     -H "User-Agent: VvvebJs-Check/1.0" \
                     https://api.github.com/user)

if echo "$USER_RESPONSE" | grep -q '"login"'; then
    USERNAME=$(echo "$USER_RESPONSE" | grep '"login"' | sed 's/.*"login": *"\([^"]*\)".*/\1/')
    echo "✅ Token 有效 - 用户: $USERNAME"
else
    echo "❌ Token 无效或无权限"
    echo "详情: $USER_RESPONSE"
    exit 1
fi

# 2. 检查仓库访问权限
echo "📁 2. 检查仓库访问权限..."
REPO_RESPONSE=$(curl -s -H "Authorization: token $TOKEN" \
                     -H "User-Agent: VvvebJs-Check/1.0" \
                     https://api.github.com/repos/$OWNER/$REPO)

if echo "$REPO_RESPONSE" | grep -q '"full_name"'; then
    echo "✅ 仓库可访问"
    
    # 检查权限详情
    if echo "$REPO_RESPONSE" | grep -q '"permissions"'; then
        ADMIN=$(echo "$REPO_RESPONSE" | grep '"admin"' | sed 's/.*"admin": *\([^,]*\).*/\1/')
        PUSH=$(echo "$REPO_RESPONSE" | grep '"push"' | sed 's/.*"push": *\([^,]*\).*/\1/')
        PULL=$(echo "$REPO_RESPONSE" | grep '"pull"' | sed 's/.*"pull": *\([^,]*\).*/\1/')
        
        echo "   - Admin: $ADMIN"
        echo "   - Push: $PUSH"
        echo "   - Pull: $PULL"
        
        if [ "$PUSH" = "true" ]; then
            echo "✅ 有写入权限"
        else
            echo "❌ 缺少写入权限"
        fi
    fi
else
    echo "❌ 仓库不存在或无访问权限"
    echo "详情: $REPO_RESPONSE"
    exit 1
fi

# 3. 测试文件创建
echo "✏️ 3. 测试文件创建权限..."
TEST_FILE="vvvebjs-test-$(date +%s).txt"
TEST_CONTENT=$(echo "VvvebJs Test - $(date)" | base64)

CREATE_RESPONSE=$(curl -s -X PUT \
                       -H "Authorization: token $TOKEN" \
                       -H "User-Agent: VvvebJs-Check/1.0" \
                       -H "Content-Type: application/json" \
                       -d "{\"message\":\"VvvebJs permission test\",\"content\":\"$TEST_CONTENT\"}" \
                       https://api.github.com/repos/$OWNER/$REPO/contents/$TEST_FILE)

if echo "$CREATE_RESPONSE" | grep -q '"sha"'; then
    echo "✅ 文件创建成功"
    
    # 清理测试文件
    SHA=$(echo "$CREATE_RESPONSE" | grep '"sha"' | head -1 | sed 's/.*"sha": *"\([^"]*\)".*/\1/')
    curl -s -X DELETE \
         -H "Authorization: token $TOKEN" \
         -H "User-Agent: VvvebJs-Check/1.0" \
         -H "Content-Type: application/json" \
         -d "{\"message\":\"Clean up test file\",\"sha\":\"$SHA\"}" \
         https://api.github.com/repos/$OWNER/$REPO/contents/$TEST_FILE > /dev/null
    echo "🧹 测试文件已清理"
else
    echo "❌ 文件创建失败"
    echo "详情: $CREATE_RESPONSE"
fi

echo ""
echo "🎉 权限检查完成！"
echo ""
echo "📋 配置建议："
echo "GITHUB_TOKEN=$TOKEN"
echo "GITHUB_OWNER=$OWNER"
echo "GITHUB_REPO=$REPO"
echo "GITHUB_BRANCH=main"
echo "GITHUB_PATH=pages/"
echo "STORAGE_TYPE=github"