package httpx

import (
	"context"
	"time"

	"github.com/gofiber/fiber/v3/client"
)

// 全局 Fiber Client
var cc = client.New()

func init() {
	cc.SetTimeout(10 * time.Second)
}

// mergeConfig 合并默认配置和用户配置
func mergeConfig(defaultCfg, userCfg client.Config) client.Config {
	if userCfg.Ctx != nil {
		defaultCfg.Ctx = userCfg.Ctx
	}
	if userCfg.Body != nil {
		defaultCfg.Body = userCfg.Body
	}
	if userCfg.Header != nil {
		if defaultCfg.Header == nil {
			defaultCfg.Header = map[string]string{}
		}
		for k, v := range userCfg.Header {
			defaultCfg.Header[k] = v
		}
	}
	if userCfg.Param != nil {
		defaultCfg.Param = userCfg.Param
	}
	if userCfg.PathParam != nil {
		defaultCfg.PathParam = userCfg.PathParam
	}
	if userCfg.FormData != nil {
		defaultCfg.FormData = userCfg.FormData
	}
	if userCfg.Timeout != 0 {
		defaultCfg.Timeout = userCfg.Timeout
	}
	if userCfg.UserAgent != "" {
		defaultCfg.UserAgent = userCfg.UserAgent
	}
	if userCfg.Referer != "" {
		defaultCfg.Referer = userCfg.Referer
	}
	defaultCfg.DisablePathNormalizing = userCfg.DisablePathNormalizing
	defaultCfg.MaxRedirects = userCfg.MaxRedirects

	return defaultCfg
}

func Get(url string, cfg client.Config) (string, int, error) {
	defaultCfg := client.Config{
		Ctx: context.Background(),
	}
	finalCfg := mergeConfig(defaultCfg, cfg)

	resp, err := cc.Get(url, finalCfg)
	if err != nil {
		return "", 0, err
	}

	return string(resp.Body()), resp.StatusCode(), nil
}

func PostJSON(url string, data any, cfg client.Config) (string, int, error) {
	defaultCfg := client.Config{
		Ctx:    context.Background(),
		Body:   data,
		Header: map[string]string{"Content-Type": "application/json"},
	}
	finalCfg := mergeConfig(defaultCfg, cfg)

	resp, err := cc.Post(url, finalCfg)
	if err != nil {
		return "", 0, err
	}
	return string(resp.Body()), resp.StatusCode(), nil
}

func PostForm(url string, formData map[string]string, cfg client.Config) (string, int, error) {
	defaultCfg := client.Config{
		Ctx:      context.Background(),
		FormData: formData,
		Header:   map[string]string{"Content-Type": "application/x-www-form-urlencoded"},
	}
	finalCfg := mergeConfig(defaultCfg, cfg)

	resp, err := cc.Post(url, finalCfg)
	if err != nil {
		return "", 0, err
	}
	return string(resp.Body()), resp.StatusCode(), nil
}