package models

import (
	"encoding/json"
)

// ArtistAlbums represents a page of albums by an artist
type ArtistAlbums struct {
	BaseModel
	Albums []Album `json:"albums"`
	Pager  *Pager  `json:"pager"`
}

// DeJSON deserializes an ArtistAlbums from JSON
func (aa *ArtistAlbums) DeJSON(data []byte, c ClientInterface) (Model, error) {
	var raw map[string]json.RawMessage
	if err := json.Unmarshal(data, &raw); err != nil {
		return nil, err
	}

	albums := &ArtistAlbums{BaseModel: *NewBaseModel(c)}

	if v, ok := raw["albums"]; ok {
		var albumList []Album
		if err := json.Unmarshal(v, &albumList); err == nil {
			albums.Albums = albumList
		}
	}
	if v, ok := raw["pager"]; ok {
		var pager Pager
		if err := json.Unmarshal(v, &pager); err == nil {
			albums.Pager = &pager
		}
	}

	return albums, nil
}

// DeList deserializes a list of ArtistAlbums
func (aa *ArtistAlbums) DeList(data []byte, c ClientInterface) ([]Model, error) {
	var rawList []json.RawMessage
	if err := json.Unmarshal(data, &rawList); err != nil {
		return nil, err
	}

	result := make([]Model, 0, len(rawList))
	for _, item := range rawList {
		albums := &ArtistAlbums{BaseModel: *NewBaseModel(c)}
		if err := json.Unmarshal(item, albums); err != nil {
			continue
		}
		result = append(result, albums)
	}
	return result, nil
}