package gamebanana

import (
	"encoding/json"
	"io"
	"net/http"
	"net/url"

	"github.com/charmbracelet/log"
)

// all fields for the "mod" type got at GET api.gamebanana.com/Core/Item/Data/AllowedFields?itemtype=Mod
// struct is gotten from requesting all fields and then converting them with https://transform.tools/json-to-go
type GameBananaMod struct {
	AppsUsed                 string     `json:"apps_used"`
	Authors                  string     `json:"authors"`
	CategoryName             string     `json:"Category().name"`
	Catid                    int        `json:"catid"`
	Contestid                int        `json:"contestid"`
	Creator                  string     `json:"creator"`
	CreditsAAuthors          [][]string `json:"Credits().aAuthors()"`
	CreditsAAuthorsAndGroups struct {
		KeyAuthor     [][]string `json:"Key Author"`
		ModelSources  [][]string `json:"Model Sources"`
		SpecialThanks [][]string `json:"Special Thanks"`
	} `json:"Credits().aAuthorsAndGroups()"`
	CreditsSsvAuthorNames string `json:"Credits().ssvAuthorNames()"`
	Date                  int    `json:"date"`
	Description           string `json:"description"`
	Downloads             int    `json:"downloads"`
	FeedbackInstructions  string `json:"feedback_instructions"`
	FilesAFiles           struct {
		Num884808 struct {
			IDRow                  string `json:"_idRow"`
			SFile                  string `json:"_sFile"`
			NFilesize              int    `json:"_nFilesize"`
			TsDateAdded            int    `json:"_tsDateAdded"`
			NDownloadCount         int    `json:"_nDownloadCount"`
			SDownloadURL           string `json:"_sDownloadUrl"`
			SMd5Checksum           string `json:"_sMd5Checksum"`
			SAnalysisState         string `json:"_sAnalysisState"`
			SAnalysisResult        string `json:"_sAnalysisResult"`
			SAnalysisResultVerbose string `json:"_sAnalysisResultVerbose"`
			SAvState               string `json:"_sAvState"`
			SAvResult              string `json:"_sAvResult"`
			BIsArchived            bool   `json:"_bIsArchived"`
			BHasContents           bool   `json:"_bHasContents"`
		} `json:"884808"`
	} `json:"Files().aFiles()"`
	GameName                          string        `json:"Game().name"`
	InstallInstructions               string        `json:"install_instructions"`
	IsObsolete                        string        `json:"is_obsolete"`
	LastpostDate                      int           `json:"lastpost_date"`
	LastpostUserid                    int           `json:"lastpost_userid"`
	Likes                             int           `json:"likes"`
	Mdate                             int           `json:"mdate"`
	Modnote                           string        `json:"modnote"`
	Name                              string        `json:"name"`
	NsfwBIsNsfw                       bool          `json:"Nsfw().bIsNsfw()"`
	ObsolNotice                       string        `json:"obsol_notice"`
	OwnerName                         string        `json:"Owner().name"`
	Postcount                         int           `json:"postcount"`
	PostsLastPostIDPosterRow          int           `json:"Posts().LastPost().idPosterRow()"`
	PostsLastPostSText                string        `json:"Posts().LastPost().sText()"`
	PostsLastPostTsDateAdded          int           `json:"Posts().LastPost().tsDateAdded()"`
	PostsPostcountNPostCount          int           `json:"Posts().Postcount().nPostCount()"`
	PreviewSStructuredDataFullsizeURL string        `json:"Preview().sStructuredDataFullsizeUrl()"`
	PreviewSSubFeedImageURL           string        `json:"Preview().sSubFeedImageUrl()"`
	RootCategoryID                    int           `json:"RootCategory().id"`
	RootCategoryName                  string        `json:"RootCategory().name"`
	Screenshots                       string        `json:"screenshots"`
	Studioid                          int           `json:"studioid"`
	Text                              string        `json:"text"`
	TrashBIsTrashed                   bool          `json:"Trash().bIsTrashed()"`
	Udate                             int           `json:"udate"`
	UpdatesAGetLatestUpdates          []interface{} `json:"Updates().aGetLatestUpdates()"`
	UpdatesALatestUpdates             []interface{} `json:"Updates().aLatestUpdates()"`
	UpdatesBSubmissionHasUpdates      bool          `json:"Updates().bSubmissionHasUpdates()"`
	UpdatesNUpdatesCount              int           `json:"Updates().nUpdatesCount()"`
	URLSDownloadURL                   string        `json:"Url().sDownloadUrl()"`
	URLSEditURL                       string        `json:"Url().sEditUrl()"`
	URLSEmbeddablesURL                string        `json:"Url().sEmbeddablesUrl()"`
	URLSHistoryURL                    string        `json:"Url().sHistoryUrl()"`
	URLSProfileURL                    string        `json:"Url().sProfileUrl()"`
	URLSTrashURL                      string        `json:"Url().sTrashUrl()"`
	URLSUntrashURL                    string        `json:"Url().sUntrashUrl()"`
	URLSUpdatesURL                    string        `json:"Url().sUpdatesUrl()"`
	URLSWithholdURL                   string        `json:"Url().sWithholdUrl()"`
	Userid                            int           `json:"userid"`
	Views                             int           `json:"views"`
	WithholdBIsWithheld               bool          `json:"Withhold().bIsWithheld()"`
}


func GetGameBananaMod(id string) (GameBananaMod, error) {
	// build URL params
	base, err := url.Parse("https://api.gamebanana.com/Core/Item/Data")
  if err != nil {
    log.Error("failed to parse URL", "err", err)
		return GameBananaMod{}, err
  }

	params := url.Values{}
  params.Add("itemtype", "Mod")
  params.Add("itemid", id)
  params.Add("format", "json_min")
	params.Add("return_keys", "1")
  params.Add("fields", "apps_used,authors,Category().name,catid,contestid,creator,Credits().aAuthors(),Credits().aAuthorsAndGroups(),Credits().ssvAuthorNames(),date,description,downloads,feedback_instructions,Files().aFiles(),Game().name,install_instructions,is_obsolete,lastpost_date,lastpost_userid,likes,mdate,modnote,name,Nsfw().bIsNsfw(),obsol_notice,Owner().name,postcount,Posts().LastPost().idPosterRow(),Posts().LastPost().sText(),Posts().LastPost().tsDateAdded(),Posts().Postcount().nPostCount(),Preview().sStructuredDataFullsizeUrl(),Preview().sSubFeedImageUrl(),RootCategory().id,RootCategory().name,screenshots,studioid,text,Trash().bIsTrashed(),udate,Updates().aGetLatestUpdates(),Updates().aLatestUpdates(),Updates().bSubmissionHasUpdates(),Updates().nUpdatesCount(),Url().sDownloadUrl(),Url().sEditUrl(),Url().sEmbeddablesUrl(),Url().sHistoryUrl(),Url().sProfileUrl(),Url().sTrashUrl(),Url().sUntrashUrl(),Url().sUpdatesUrl(),Url().sWithholdUrl(),userid,views,Withhold().bIsWithheld()")
  base.RawQuery = params.Encode()

	// send request
	log.Info("got request url for Mod information", "id", id, "url", base.String())
	resp, err := http.Get(base.String())

	if err != nil || resp.StatusCode != 200 {
    log.Error("failed to request URL", "url", base.String(), "err", err, "httpstatus", resp.StatusCode)
		return GameBananaMod{}, err
	}
	defer resp.Body.Close()


	// decode response
	body, err := io.ReadAll(resp.Body)
	if err != nil {
    log.Error("failed to decode body into bytes")
		return GameBananaMod{}, err
	}


	var dataStruct GameBananaMod
	err = json.Unmarshal(body, &dataStruct)
	if err != nil {
		log.Error("failed to decode request body", "err", err)
	  log.Debug(string(body))
		return GameBananaMod{}, err
	}

	return dataStruct, nil
}