<?php

namespace App\Kintone;

use App\Exceptions\AppCommonException;
use App\Exceptions\ConfigException;
use App\Files\TmpFile;
use App\Kintone\Models\KintoneModel;
use Exception;
use Illuminate\Database\Eloquent\ModelNotFoundException;
use Illuminate\Http\UploadedFile;
use Illuminate\Support\Collection;
use Illuminate\Support\Facades\Http;
use Log;

/**
 * @template TValue of KintoneModel
 */
class KintoneAccess
{

    private string $appName;
    private ?string $modelName;
    private string $host;
    private string $apiToken = "";
    private int $appId;

    private const DEFAULT_FIELDS = [
        "作成日時",
        "更新日時",
        '$id',
        '$revision',
    ];

    private array $fields = [];

    private string|null $cursor = null;
    private int $cursorDataCount = 0;
    private bool $hasNext = false;

    private const URL_RECORD = "/k/v1/record.json";
    private const URL_RECORDS = "/k/v1/records.json";
    private const URL_CURSOL = "/k/v1/records/cursor.json";
    private const URL_FILE = "/k/v1/file.json";
    private const URL_APP_FORM_FIELDS = "/k/v1/app/form/fields.json";


    public function __construct(string $appName, ?string $modelName)
    {
        $this->appName = $appName;
        $this->modelName = $modelName;

        $key = "kintone.host";
        $host = config($key);
        if (!$host) {
            throw new ConfigException("kintone.host", $host);
        }

        $key = "kintone.applications." . $appName . ".apiToken";
        $apiToken = config($key);
        if (!$apiToken) {
            throw new ConfigException($key, $apiToken);
        }

        $key = "kintone.applications." . $appName . ".appId";
        $appId = config($key);
        if (!$appId) {
            throw new ConfigException($key, $appId);
        }

        $this->addAppToken($appName);
        $this->host = $host;
        $this->appId = $appId;
    }

    public function addAppToken(string $appName): static
    {
        $key = "kintone.applications." . $appName . ".apiToken";
        $apiToken = config($key);
        if (!$apiToken) {
            throw new ConfigException($key, $apiToken);
        }
        $this->apiToken =  $this->apiToken ?  $this->apiToken . "," . $apiToken :  $apiToken;
        return $this;
    }


    public function setFields(array $fields): static
    {
        $this->fields = [
            ...$fields,
            ...self::DEFAULT_FIELDS,
        ];
        return $this;
    }

    public function __destruct()
    {
        $this->deleteCursor();
    }


    /**
     * @param integer $id
     * @return TValue
     */
    public function find(int $id)
    {

        $response = Http::withHeaders([
            "X-Cybozu-API-Token" => $this->apiToken,
        ])->get($this->getRecordUrl(), [
            "app" => $this->appId,
            "id" => $id,
        ]);

        if ($response->failed()) {
            $e =  $response->toException();
            if ($e instanceof Exception) {
                Log::error($e->getMessage());
                throw $e;
            }
        }
        $result = $this->modelName ? new $this->modelName() : new $this->appName();

        $result->setDataFromRecordResponse($response['record']);
        return $result;
    }

    /**
     * @param KintoneRecordQuery|null|null $query
     * @return  Collection<string,TValue>
     */
    public function some(KintoneRecordQuery|null $query = null)
    {

        $data = [
            "app" => $this->appId,
            'fields' => $this->fields,
        ];
        if ($query !== null) {
            $data["query"] = $query->toQuery();
        }

        $response = Http::withHeaders([
            "X-Cybozu-API-Token" => $this->apiToken,
        ])->get($this->getRecordsUrl(), $data);

        if ($response->failed()) {
            $e =  $response->toException();
            if ($e instanceof Exception) {
                Log::error($e->getMessage());
                throw $e;
            }
        }

        $ret = collect();

        foreach ($response["records"] as $data) {
            /**
             * @var KintoneModel $model
             */
            $model = $this->modelName ? new $this->modelName() : new $this->appName();

            $model->setDataFromRecordResponse($data);
            $ret->put($model->getRecordId(), $model);
        }

        return $ret;
    }

    /**
     * @param KintoneRecordQuery|null|null $query
     * @return TValue
     */
    public function first(KintoneRecordQuery|null $query = null)
    {
        $list = $this->some($query);
        if ($list->count() !== 1) {
            throw new ModelNotFoundException(sprintf("モデル取得数エラー %s count:%d queey:<%s>", $this->appName, $list->count(), $query->toQuery()));
        }
        return $list->first();
    }


    /**
     * @param TValue $model
     * @return void
     */
    public function update(KintoneModel &$model)
    {
        $sendData = [
            "app" => $this->appId,
            "id" => $model->getRecordId(),
            "record" => $model->getApiLayout(),
            "revision" => $model->getRevision(),
        ];

        // logger([
        //     "ACTION" => "KINTONE UPDATE",
        //     "APP" => $this->appName,
        //     "RECORD_NO" => $model->getRecordId(),
        //     "SEND_DATA" => $sendData,
        //     "JSON" => json_encode($sendData, JSON_UNESCAPED_UNICODE),
        // ]);

        $response = Http::withHeaders([
            "X-Cybozu-API-Token" => $this->apiToken,
        ])->put($this->getRecordUrl(), $sendData);

        if ($response->failed()) {
            $e =  $response->toException();
            if ($e instanceof Exception) {
                Log::error($e->getMessage());
                throw $e;
            }
        }

        $model->clean($response["revision"]);
        return $response;
    }

    /**
     * @param TValue $model
     * @return void
     */
    public function create(KintoneModel &$model)
    {

        $sendData =  [
            "app" => $this->appId,
            "record" => $model->getApiLayout(),
        ];
        $response = Http::withHeaders([
            "X-Cybozu-API-Token" => $this->apiToken,
        ])->post($this->getRecordUrl(), $sendData);

        if ($response->failed()) {
            $e =  $response->toException();
            if ($e instanceof Exception) {
                Log::error($e->getMessage());
                Log::error($response->body());
                Log::error($sendData);
                throw $e;
            }
        }

        $model->clean($response["revision"]);
        $model->setRecordId($response["id"]);
        return $response;
    }

    public function createCursor(KintoneRecordQuery|null $query = null)
    {
        $data = [
            "app" => $this->appId,
            'fields' => $this->fields,
        ];
        if ($query !== null) {
            $data["query"] = $query->toQuery();
        }

        $response = Http::withHeaders([
            "X-Cybozu-API-Token" => $this->apiToken,
        ])->post($this->getCursorUrl(), $data);

        if ($response->failed()) {
            $e =  $response->toException();
            if ($e instanceof Exception) {
                Log::error($e->getMessage(), ['data' => $data]);
                Log::error($response->body());
                throw $e;
            }
        }

        $cursor = $response["id"];
        $totalCount = intval($response["totalCount"]);
        $this->cursor = $cursor;


        if (0 < $totalCount) {
            $this->hasNext = true;
            $this->cursorDataCount = $totalCount;
        } else {
            $this->deleteCursor();
        }

        return $response;
    }


    /**
     * @return Collection<int,TValue>
     */
    public function next()
    {
        if (!$this->hasNext) {
            return collect();
        }

        $response = Http::withHeaders([
            "X-Cybozu-API-Token" => $this->apiToken,
        ])->get($this->getCursorUrl(), [
            "id" => $this->cursor,
        ]);

        if ($response->failed()) {
            $e =  $response->toException();
            if ($e instanceof Exception) {
                Log::error($e->getMessage());
                throw $e;
            }
        }

        $ret = collect();

        $hasNext = $response["next"];
        if (!$hasNext) {
            $this->cursor = null;
            $this->hasNext = false;
            $this->cursorDataCount = 0;
        }

        foreach ($response["records"] as $data) {
            /**
             * @var KintoneModel $model
             */
            $model = new $this->appName();

            $model->setDataFromRecordResponse($data);
            $ret->push($model);
        }


        return $ret;
    }

    /**
     * @return Collection<int,TValue>
     */
    public function all(KintoneRecordQuery|null $query = null)
    {

        if ($this->cursor !== null) {
            $this->deleteCursor();
        }
        $this->createCursor($query);

        $list = collect();
        while (true) {
            $ret = $this->next();

            foreach ($ret as $ele) {
                $list->push($ele);
            }

            if ($this->cursor === null) {
                break;
            }
        }
        return $list;
    }

    public function deleteCursor()
    {
        if ($this->cursor === null) {
            return;
        }

        $response = Http::withHeaders([
            "X-Cybozu-API-Token" => $this->apiToken,
        ])->delete($this->getCursorUrl(), [
            "id" => $this->cursor,
        ]);

        if ($response->failed()) {
            $e =  $response->toException();
            if ($e instanceof Exception) {
                Log::error($e->getMessage());
                throw $e;
            }
        }

        $this->cursor = null;
        $this->hasNext = false;
        $this->cursorDataCount = 0;
    }

    public function fileGet(string $fileKey)
    {
        $response = Http::withHeaders([
            "X-Cybozu-API-Token" => $this->apiToken,
        ])->get($this->getFileUrl(), [
            "fileKey" => $fileKey,
        ]);

        if ($response->failed()) {
            $e =  $response->toException();
            if ($e instanceof Exception) {
                Log::error($e->getMessage());
                Log::error($response->body());
                throw $e;
            }
        }
        return $response;
    }

    /**
     * ファイルアップロード
     *
     * @param  UploadedFile|TmpFile $file
     * @return string fileKey
     */
    public function filePut(UploadedFile|TmpFile $file): string
    {
        $content = "";
        $sendFileName = "";
        if ($file instanceof UploadedFile) {
            $content = file_get_contents($file);
            $sendFileName =  sprintf("file.%s", $file->extension());
        } else if ($file instanceof TmpFile) {
            $content = $file->get();
            $sendFileName = $file->getAppFileName();
        }

        $response = Http::withHeaders([
            "X-Cybozu-API-Token" => $this->apiToken,
        ])
            ->attach("file", $content, $sendFileName)
            ->post($this->getFileUrl());

        if ($response->failed()) {
            $e =  $response->toException();
            if ($e instanceof Exception) {
                Log::error($e->getMessage());
                Log::error($response->body());
                throw $e;
            }
        }
        return $response['fileKey'];
    }

    public function getAppFormFields(): array
    {
        $response = Http::withHeaders([
            "X-Cybozu-API-Token" => $this->apiToken,

        ])->get($this->getAppFormFieldsUrl(), [
            "app" => $this->appId,
        ]);

        if ($response->failed()) {
            $e =  $response->toException();
            if ($e instanceof Exception) {
                Log::error($e->getMessage());
                throw $e;
            }
        }

        return $response['properties'];
    }

    private function getRecordUrl()
    {
        return $this->getUrl(self::URL_RECORD);
    }
    private function getRecordsUrl()
    {
        return $this->getUrl(self::URL_RECORDS);
    }

    private function getCursorUrl()
    {
        return $this->getUrl(self::URL_CURSOL);
    }

    private function getFileUrl()
    {
        return $this->getUrl(self::URL_FILE);
    }
    private function getAppFormFieldsUrl()
    {
        return $this->getUrl(self::URL_APP_FORM_FIELDS);
    }

    private function getUrl(string $path)
    {
        return  $this->host . $path;
    }
}