package error_helpers

import (
	"github.com/hashicorp/hcl/v2"
	"github.com/turbot/steampipe-plugin-sdk/v5/plugin"
	"github.com/turbot/steampipe-plugin-sdk/v5/sperr"
)

type ErrorAndWarnings struct {
	Error    error
	Warnings []string
}

func DiagsToErrorsAndWarnings(errPrefix string, diags hcl.Diagnostics) *ErrorAndWarnings {
	return NewErrorsAndWarning(
		plugin.DiagsToError(errPrefix, diags),
		plugin.DiagsToWarnings(diags)...,
	)
}
func EmptyErrorsAndWarning() *ErrorAndWarnings {
	return NewErrorsAndWarning(nil)
}

func NewErrorsAndWarning(err error, warnings ...string) *ErrorAndWarnings {
	return &ErrorAndWarnings{
		Error: err, Warnings: warnings,
	}
}

func (r *ErrorAndWarnings) WrapErrorWithMessage(msg string) *ErrorAndWarnings {
	if r.Error != nil {
		r.Error = sperr.WrapWithMessage(r.Error, msg)
	}
	return r
}

func (r *ErrorAndWarnings) AddWarning(warnings ...string) {
	r.Warnings = append(r.Warnings, warnings...)
}

func (r *ErrorAndWarnings) ShowWarnings() {
	for _, w := range r.Warnings {
		ShowWarning(w)
	}
}

func (r *ErrorAndWarnings) GetError() error {
	if r == nil {
		return nil
	}
	return r.Error
}

func (r *ErrorAndWarnings) Merge(other *ErrorAndWarnings) *ErrorAndWarnings {
	if other == nil {
		return r
	}

	// TODO: Restructure ErrorsAndWarning
	// [issue](https://github.com/turbot/steampipe/issues/3653)
	if r.Error == nil {
		r.Error = other.Error
	}
	if len(other.Warnings) > 0 {
		r.AddWarning(other.Warnings...)
	}
	return r
}