// Copyright (c) 2015 qianqiusoft.com
// Licensed to You under the GNU Affero GPL v3
// See the LICENSE file at git.qianqiusoft.com/qianqiusoft/light-vocation/LICENSE
// http://www.gnu.org/licenses/why-affero-gpl.en.html

package utils

import (
	"fmt"
	"net/url"
	"strings"

	"git.qianqiusoft.com/qianqiusoft/light-apiengine/logs"
)

func SubString(str string, begin, length int) (substr string) {
	//将字符串的转换成[]rune
	rs := []rune(str)
	lth := len(rs)
	// 简单的越界判断
	if begin < 0 {
		begin = 0
	}
	if begin >= lth {
		begin = lth
	}
	end := begin + length
	if end > lth {
		end = lth
	}
	// 返回子串
	return string(rs[begin:end])
}

func FormatCamelString(str string) string {
	res := ""
	array := strings.Split(str, "_")
	for _, val := range array {
		if len(val) > 0 {
			res += strings.ToUpper(SubString(val, 0, 1)) + strings.ToLower(SubString(val, 1, len(str)-1))
		}
	}
	return res
}

func FormatFieldAndJsonString(columnName string) string {
	return strings.ToLower(columnName)
}

func GetSizeOfColumn(size int) string {
	//fmt.Printf(".............size is %d", size)
	if size <= 0 {
		return ""
	} else {
		ss := fmt.Sprintf("size(%d);", size)
		//fmt.Println(ss)
		return ss
	}
}

func ConvertColTypeToDBType(colType string) string {
	colType = strings.ToLower(colType)
	switch colType {
	case "string":
		return "varchar"
	case "text":
		return "text"
	case "datetime":
		return "datetime"
	default:
		return colType
	}
}

func ConvertColType(colType string) string {
	colType = strings.ToLower(colType)
	switch colType {
	case "string-text":
		return "string"
	case "time.Time-date":
		return "time.Time"
	case "text":
		return "string"
	case "string":
		return "string"
	case "datetime":
		return "time.Time"
	default:
		return colType
	}
}

func TotalPage(record, size int) int {
	tp := record / size
	if tp < 0 {
		return 1
	}
	if record%size == 0 {
		return tp
	}
	return tp + 1
}

func FormatForBrowse(agent, val string) string {
	if strings.Contains(strings.ToLower(agent), "safari/") && !strings.Contains(strings.ToLower(agent), "chrome/") {
		logs.Debug("Safari浏览器编码")
	} else if strings.Contains(strings.ToLower(agent), "firefox/") {
		logs.Debug("Firefox浏览器编码")
	} else if strings.Contains(strings.ToLower(agent), "chrome/") && strings.Contains(strings.ToLower(agent), "safari/") && !strings.Contains(strings.ToLower(agent), "edge/") {
		logs.Debug("Chrome浏览器编码")
	} else {
		logs.Debug("IE浏览器编码")
		val = url.QueryEscape(val)
		val = strings.Replace(val, "+", "%20", -1)
	}
	return val
}