package table

import (
	"encoding/json"
	"fmt"
	"reflect"

	"github.com/pkg/errors"
	"gitlab.com/wpetit/goweb/cli/format"
)

const (
	hintCompactModeMaxColumnWidth format.PropHintName = "compactModeMaxColumnWidth"
)

func WithCompactModeMaxColumnWidth(max int) format.PropHintFunc {
	return format.WithPropHint(hintCompactModeMaxColumnWidth, max)
}

func getProps(d any) []format.Prop {
	props := make([]format.Prop, 0)

	v := reflect.Indirect(reflect.ValueOf(d))
	typeOf := v.Type()

	for i := 0; i < v.NumField(); i++ {
		name := typeOf.Field(i).Name
		props = append(props, format.NewProp(name, name))
	}

	return props
}

func getFieldValue(obj any, name string) string {
	v := reflect.Indirect(reflect.ValueOf(obj))

	fieldValue := v.FieldByName(name)

	if !fieldValue.IsValid() {
		return ""
	}

	if fieldValue.Kind() == reflect.Pointer && !fieldValue.IsNil() {
		fieldValue = fieldValue.Elem()
	}

	switch fieldValue.Kind() {
	case reflect.Map:
		fallthrough
	case reflect.Struct:
		fallthrough
	case reflect.Slice:
		fallthrough
	case reflect.Interface:
		json, err := json.Marshal(fieldValue.Interface())
		if err != nil {
			panic(errors.WithStack(err))
		}

		return string(json)

	default:
		return fmt.Sprintf("%v", fieldValue)
	}
}