package builder

import (
	"context"
	"git.dragse.it/anthrove/e621-sdk-go/pkg/e621/endpoints"
	"git.dragse.it/anthrove/e621-sdk-go/pkg/e621/model"
	"strconv"
)

// NoteBuilder represents a builder for constructing queries to retrieve a specific note.
type NoteBuilder interface {
	// SetNoteID sets the note ID for the query.
	SetNoteID(noteID int) NoteBuilder
	// Execute sends the constructed query and returns the requested note and an error, if any.
	Execute() (*model.Note, error)
}

// NewGetNoteBuilder creates a new instance of NoteBuilder with the provided RequestContext.
//
// Parameters:
//   - requestContext: The context for the API request, including the host, user agent, username, and API key.
//
// Returns:
//   - NoteBuilder: An instance of the NoteBuilder interface.
func NewGetNoteBuilder(requestContext model.RequestContext) NoteBuilder {
	return &getNote{requestContext: requestContext}
}

// getNote is an implementation of the NoteBuilder interface.
type getNote struct {
	requestContext model.RequestContext
	noteID         int
}

// SetNoteID sets the note ID for the query.
//
// Parameters:
//   - noteID: The ID of the note to be retrieved.
//
// Returns:
//   - NoteBuilder: The instance of the NoteBuilder for method chaining.
func (g *getNote) SetNoteID(noteID int) NoteBuilder {
	g.noteID = noteID
	return g
}

// Execute sends the constructed query and returns the requested note and an error, if any.
//
// Returns:
//   - *model.Note: The requested note.
//   - error: An error, if any, encountered during the API request or response handling.
func (g *getNote) Execute() (*model.Note, error) {
	if g.requestContext.RateLimiter != nil {
		err := g.requestContext.RateLimiter.Wait(context.Background())
		if err != nil {
			return nil, err
		}
	}
	note, err := endpoints.GetNote(g.requestContext, strconv.Itoa(g.noteID))
	if err != nil {
		return nil, err
	}
	return &note, nil
}