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package common

import (
	"bytes"
	"io"
	"net/http"
	"one-api/constant"
	"strings"
	"time"

	"github.com/gin-gonic/gin"
)

const KeyRequestBody = "key_request_body"

func GetRequestBody(c *gin.Context) ([]byte, error) {
	requestBody, _ := c.Get(KeyRequestBody)
	if requestBody != nil {
		return requestBody.([]byte), nil
	}
	requestBody, err := io.ReadAll(c.Request.Body)
	if err != nil {
		return nil, err
	}
	_ = c.Request.Body.Close()
	c.Set(KeyRequestBody, requestBody)
	return requestBody.([]byte), nil
}

func UnmarshalBodyReusable(c *gin.Context, v any) error {
	requestBody, err := GetRequestBody(c)
	if err != nil {
		return err
	}
	//if DebugEnabled {
	//	println("UnmarshalBodyReusable request body:", string(requestBody))
	//}
	contentType := c.Request.Header.Get("Content-Type")
	if strings.HasPrefix(contentType, "application/json") {
		err = Unmarshal(requestBody, &v)
	} else {
		// skip for now
		// TODO: someday non json request have variant model, we will need to implementation this
	}
	if err != nil {
		return err
	}
	// Reset request body
	c.Request.Body = io.NopCloser(bytes.NewBuffer(requestBody))
	return nil
}

func SetContextKey(c *gin.Context, key constant.ContextKey, value any) {
	c.Set(string(key), value)
}

func GetContextKey(c *gin.Context, key constant.ContextKey) (any, bool) {
	return c.Get(string(key))
}

func GetContextKeyString(c *gin.Context, key constant.ContextKey) string {
	return c.GetString(string(key))
}

func GetContextKeyInt(c *gin.Context, key constant.ContextKey) int {
	return c.GetInt(string(key))
}

func GetContextKeyBool(c *gin.Context, key constant.ContextKey) bool {
	return c.GetBool(string(key))
}

func GetContextKeyStringSlice(c *gin.Context, key constant.ContextKey) []string {
	return c.GetStringSlice(string(key))
}

func GetContextKeyStringMap(c *gin.Context, key constant.ContextKey) map[string]any {
	return c.GetStringMap(string(key))
}

func GetContextKeyTime(c *gin.Context, key constant.ContextKey) time.Time {
	return c.GetTime(string(key))
}

func GetContextKeyType[T any](c *gin.Context, key constant.ContextKey) (T, bool) {
	if value, ok := c.Get(string(key)); ok {
		if v, ok := value.(T); ok {
			return v, true
		}
	}
	var t T
	return t, false
}

func ApiError(c *gin.Context, err error) {
	c.JSON(http.StatusOK, gin.H{
		"success": false,
		"message": err.Error(),
	})
}

func ApiErrorMsg(c *gin.Context, msg string) {
	c.JSON(http.StatusOK, gin.H{
		"success": false,
		"message": msg,
	})
}

func ApiSuccess(c *gin.Context, data any) {
	c.JSON(http.StatusOK, gin.H{
		"success": true,
		"message": "",
		"data":    data,
	})
}