#!/bin/bash
#
# 测试公共函数库
#

set -e

# 配置
BASE_URL="${BASE_URL:-http://localhost:4000}"
TEST_TIMESTAMP="${TEST_TIMESTAMP:-$(date +%s)}"

# 颜色输出
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
NC='\033[0m' # No Color

# ========================================
# 辅助函数
# ========================================

# 打印带颜色的信息
info() {
    echo -e "${BLUE}[INFO]${NC} $1"
}

success() {
    echo -e "${GREEN}[PASS]${NC} $1"
}

error() {
    echo -e "${RED}[FAIL]${NC} $1"
}

warn() {
    echo -e "${YELLOW}[WARN]${NC} $1"
}

# 检查上一个命令是否成功
check_success() {
    if [ $? -eq 0 ]; then
        success "$1"
        return 0
    else
        error "$1"
        return 1
    fi
}

# 检查上一个命令是否失败（用于测试权限拒绝）
check_fail() {
    if [ $? -ne 0 ]; then
        success "$1 (预期失败)"
        return 0
    else
        error "$1 (应该失败但没有)"
        return 1
    fi
}

# 检查HTTP响应码
# $1: 响应内容
# $2: 期望状态码（默认 200）
check_http_code() {
    local response="$1"
    local expected="${2:-200}"
    local code

    # 提取 code 字段，如果不存在则认为是 200
    code=$(echo "$response" | jq -r '.code // 200')

    if [ "$code" == "$expected" ]; then
        return 0
    else
        error "期望状态码: $expected, 实际: $code"
        info "响应: $response"
        return 1
    fi
}

# 检查服务是否运行
check_service() {
    if ! curl -s "$BASE_URL/_api.json" > /dev/null 2>&1; then
        error "服务未启动，请先启动服务"
        info "运行: go run cli/main.go -db=sqlite -dsn /tmp/vb.sqlite -p 4000"
        exit 1
    fi
    success "服务正在运行"
}

# ========================================
# API 请求封装
# ========================================

# GET 请求
api_get() {
    local path="$1"
    local token="${2:-}"
    local headers=""

    if [ -n "$token" ]; then
        headers="-H Authorization: Bearer $token"
    fi

    curl -s -X GET "$BASE_URL$path" $headers
}

# POST 请求
api_post() {
    local path="$1"
    local data="$2"
    local token="${3:-}"
    local extra_headers="${4:-}"
    local headers="-H Content-Type: application/json"

    if [ -n "$token" ]; then
        headers="$headers -H Authorization: Bearer $token"
    fi

    if [ -n "$extra_headers" ]; then
        headers="$headers $extra_headers"
    fi

    curl -s -X POST "$BASE_URL$path" $headers -d "$data"
}

# PATCH 请求
api_patch() {
    local path="$1"
    local data="$2"
    local token="${3:-}"
    local extra_headers="${4:-}"
    local headers="-H Content-Type: application/json"

    if [ -n "$token" ]; then
        headers="$headers -H Authorization: Bearer $token"
    fi

    if [ -n "$extra_headers" ]; then
        headers="$headers $extra_headers"
    fi

    curl -s -X PATCH "$BASE_URL$path" $headers -d "$data"
}

# DELETE 请求
api_delete() {
    local path="$1"
    local token="$2"
    local extra_headers="${3:-}"
    local headers=""

    if [ -n "$token" ]; then
        headers="-H Authorization: Bearer $token"
    fi

    if [ -n "$extra_headers" ]; then
        headers="$headers $extra_headers"
    fi

    curl -s -X DELETE "$BASE_URL$path" $headers
}

# ========================================
# 用户相关操作
# ========================================

# 注册用户
# 返回: 注册响应
register_user() {
    local username="$1"
    local password="$2"
    local email="$3"

    api_post "/api/auth/register" \
        "{\"username\": \"$username\", \"password\": \"$password\", \"email\": \"$email\"}"
}

# 登录用户
# 返回: 登录响应
login_user() {
    local username="$1"
    local password="$2"

    api_post "/api/auth/login" \
        "{\"username\": \"$username\", \"password\": \"$password\"}"
}

# 提取 token
get_token() {
    local login_response="$1"
    echo "$login_response" | jq -r '.access_token'
}

# 提取用户ID
get_user_id() {
    local login_response="$1"
    echo "$login_response" | jq -r '.user.id'
}

# ========================================
# 组织相关操作
# ========================================

# 创建组织
create_org() {
    local token="$1"
    local code="$2"
    local name="$3"
    local desc="${4:-}"

    api_post "/api/orgs" \
        "{\"code\": \"$code\", \"name\": \"$name\", \"description\": \"$desc\"}" \
        "$token"
}

# 更新组织
update_org() {
    local token="$1"
    local org_id="$2"
    local data="$3"

    api_patch "/api/orgs/$org_id" "$data" "$token" "-H X-Org-ID: $org_id"
}

# 添加组织成员
add_org_member() {
    local token="$1"
    local org_id="$2"
    local user_id="$3"
    local role="${4:-member}"

    api_post "/api/orgs/$org_id/members" \
        "{\"user_id\": \"$user_id\", \"role\": \"$role\"}" \
        "$token" \
        "-H X-Org-ID: $org_id"
}

# ========================================
# 测试框架
# ========================================

# 测试开始
test_start() {
    local name="$1"
    echo ""
    echo "========================================"
    echo "测试: $name"
    echo "========================================"
}

# 测试步骤
step() {
    echo ""
    info "$1"
}

# 测试结束
test_end() {
    echo ""
    success "测试完成"
}