// Package validator ...
//
// Description : validator ...
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 2024-05-01 22:34
package validator

import (
	"fmt"
	"git.zhangdeman.cn/gateway/validator/define"
	"git.zhangdeman.cn/zhangdeman/util"
	"git.zhangdeman.cn/zhangdeman/wrapper"
	"strconv"
	"strings"
)

// handleFloat 处理float数据
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 15:29 2024/4/29
func handleFloat(inputVal any, rule *define.FieldRule) (float64, error) {
	var (
		err        error
		formatData float64
	)
	if err = util.ConvertAssign(&formatData, inputVal); nil != err {
		return 0, err
	}
	if !rule.AllowZero && formatData == 0 {
		return 0, fmt.Errorf("%v : field type is float, but zero val is not allowed", rule.Path)
	}
	if nil == rule.ValueLimit {
		return formatData, nil
	}
	if nil != rule.ValueLimit.Min && formatData < *rule.ValueLimit.Min {
		return 0, fmt.Errorf("%v : field type is float, min val is [%v], real val is [%v]", rule.Path, *rule.ValueLimit.Min, formatData)
	}
	if nil != rule.ValueLimit.Max && formatData > *rule.ValueLimit.Max {
		return 0, fmt.Errorf("%v : field type is float, max val is %v, real val is %v", rule.Path, *rule.ValueLimit.Max, formatData)
	}
	if len(rule.ValueLimit.EnumList) > 0 {
		if wrapper.ArrayType(rule.ValueLimit.EnumList).Has(strconv.FormatFloat(formatData, 'f', -1, 64)) < 0 {
			return 0, fmt.Errorf("%v : field type is float, real val is %v, is not in enum list", rule.Path, formatData)
		}
	}
	return formatData, nil
}

// handleInt ...
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 15:36 2024/4/29
func handleInt(inputVal any, rule *define.FieldRule) (int64, error) {
	var (
		err        error
		formatData int64
	)
	if err = util.ConvertAssign(&formatData, inputVal); nil != err {
		return 0, err
	}
	if _, err = handleFloat(formatData, rule); nil != err {
		return 0, err
	}
	return formatData, nil
}

// handleUint ...
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 21:28 2024/4/30
func handleUint(inputVal any, rule *define.FieldRule) (uint64, error) {
	var (
		err        error
		formatData uint64
	)
	if err = util.ConvertAssign(&formatData, inputVal); nil != err {
		return 0, err
	}
	if _, err = handleFloat(formatData, rule); nil != err {
		return 0, err
	}
	return formatData, nil
}

//	handleBool...
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 21:26 2024/4/30
func handleBool(inputVal any, rule *define.FieldRule) (bool, error) {
	var (
		err        error
		formatData bool
	)
	if err = util.ConvertAssign(&formatData, inputVal); nil != err {
		return false, err
	}
	return formatData, nil
}

// handleString ...
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 15:53 2024/4/29
func handleString(inputVal any, rule *define.FieldRule) (string, error) {
	var (
		err        error
		formatData string
	)
	if err = util.ConvertAssign(&formatData, inputVal); nil != err {
		return "", err
	}
	// 判断空字符串
	if !rule.AllowEmpty && formatData == "" && rule.IsRequired {
		// 必传且不允许空字符串
		return "", fmt.Errorf("%v : data type is string empty, field is required and empty value is not allowed", rule.Path)
	}
	if nil == rule.ValueLimit {
		return formatData, nil
	}
	if nil != rule.ValueLimit.String {
		if len(rule.ValueLimit.String.IncludeSubStrList) > 0 {
			include := true
			for _, item := range rule.ValueLimit.String.IncludeSubStrList {
				if !strings.Contains(formatData, item) {
					include = false
					break
				}
			}
			if !include {
				return "", fmt.Errorf("%v : data type is string, value is %v, not include must substr", rule.Path, formatData)
			}
		}
		if len(rule.ValueLimit.String.NotIncludeSubStrList) > 0 {
			include := false
			for _, item := range rule.ValueLimit.String.NotIncludeSubStrList {
				if strings.Contains(formatData, item) {
					include = true
					break
				}
			}
			if include {
				return "", fmt.Errorf("%v : data type is string, value is %v, include not must substr", rule.Path, formatData)
			}
		}
	}
	if nil != rule.ValueLimit.Min {
		if float64(len(formatData)) < *rule.ValueLimit.Min {
			return "", fmt.Errorf("%v : data type is string, min length is %v, real length is %v", rule.Path, *rule.ValueLimit.Min, len(formatData))
		}
	}
	if nil != rule.ValueLimit.Max {
		if float64(len(formatData)) >= *rule.ValueLimit.Max {
			return "", fmt.Errorf("%v : data type is string, max length is %v, real length is %v", rule.Path, *rule.ValueLimit.Max, len(formatData))
		}
	}
	if len(rule.ValueLimit.EnumList) > 0 {
		if wrapper.ArrayType(rule.ValueLimit.EnumList).Has(formatData) < 0 {
			return "", fmt.Errorf("%v : data type is string, not in enum list, real val is %v", rule.Path, formatData)
		}
	}
	return formatData, nil
}