<?php

namespace App\Repositories;

use App\Events\ObjectActionCreate;
use App\Models\Action;
use App\Models\Approval;
use App\Models\Asset;
use App\Models\Container;
use App\Models\Enums\ActionObjectType;
use App\Models\Enums\ApprovalObjectType;
use App\Models\Enums\ObjectAction;
use App\Models\History;
use App\Models\File;
use App\Models\Project;
use App\Models\Requirement;
use App\Models\Task;
use App\Services\File\ImageUrlService;
use Carbon\Carbon;
use Illuminate\Support\Collection;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Storage;
use Illuminate\Support\Str;
use Overtrue\CosClient\Client;
use Overtrue\Flysystem\Cos\CosAdapter;
use App\Models\Enums\FileObjectType;

class ActionRepository
{
    public static function create(
        int $objectId,
        ActionObjectType $objectType,
        ObjectAction $action,
        int|null $projectId = null,
        string $comment = null,
        array $extraFields = [],
        array $objectChanges = [],
        int $additionalId = null,
    ): \Illuminate\Database\Eloquent\Model|\Illuminate\Database\Eloquent\Builder
    {
        $action = Action::query()->create([
            "object_id" => $objectId,
            "object_type" => $objectType->value,
            "action" => $action->value,
            "project_id" => $projectId,
            "comment" => $comment,
            "extra_fields" => $extraFields ?: null,
            "created_by" => Auth::id(),
            "additional_id" => $additionalId,
        ]);

        if ($objectChanges) {
            History::query()->insert(array_map(fn($change) => [...$change, 'action_id' => $action->id], $objectChanges));
        }

        ObjectActionCreate::dispatch($action);

        return $action;
    }

    public static function createByFile(
        int $objectId,
        string $objectType,
        ObjectAction $action,
        string $comment = null,
        array $extraFields = [],
        array $objectChanges = [],
    ): \Illuminate\Database\Eloquent\Model|\Illuminate\Database\Eloquent\Builder
    {
        $actionObjectType = FileObjectType::from($objectType)->actionObjectType();

        return self::create(
            $objectId,
            $actionObjectType,
            $action,
            $actionObjectType == ActionObjectType::PROJECT ? $objectId : null,
            $comment,
            $extraFields,
            $objectChanges
        );


    }


    public static function createByApproval(
        Approval $approval,
        ObjectAction $action,
        string $comment = null,
        array $extraFields = [],
        array $objectChanges = [],
    ): \Illuminate\Database\Eloquent\Model|\Illuminate\Database\Eloquent\Builder
    {
        $actionObjectType = ApprovalObjectType::from($approval->object_type)->actionObjectType();

        return self::create(
            $approval->object_id,
            $actionObjectType,
            $action,
            $actionObjectType == ActionObjectType::PROJECT ? $approval->object_id : null,
            $comment,
            $extraFields,
            $objectChanges,
            $approval->id,
        );
    }

    public static function createByProject(
        Project $project,
        ObjectAction $action,
        string $comment = null,
        array $extraFields = [],
        array $objectChanges = [],
    ): \Illuminate\Database\Eloquent\Model|\Illuminate\Database\Eloquent\Builder
    {
        return self::create(
            $project->id,
            ActionObjectType::PROJECT,
            $action,
            $project->id,
            $comment,
            $extraFields,
            $objectChanges,
        );
    }

     public static function createRequirement(
        Requirement  $requirement,
        ObjectAction $action,
        string       $comment = null,
        array        $extraFields = [],
        array        $objectChanges = [],
    ): \Illuminate\Database\Eloquent\Model|\Illuminate\Database\Eloquent\Builder
    {
        return self::create(
            $requirement->id,
            ActionObjectType::REQUIREMENT,
            $action,
            null,
            $comment,
            $extraFields,
            $objectChanges,
        );
    }

    public static function createByTask(
        Task         $task,
        ObjectAction $action,
        string       $comment = null,
        array        $extraFields = [],
        array        $objectChanges = [],
    ): \Illuminate\Database\Eloquent\Model|\Illuminate\Database\Eloquent\Builder
    {
        return self::create(
            $task->id,
            ActionObjectType::TASK,
            $action,
            $task->project_id,
            $comment,
            $extraFields,
            $objectChanges,
        );
    }

    public static function createByContainer(
        Container    $container,
        ObjectAction $action,
        string       $comment = null,
        array        $extraFields = [],
        array        $objectChanges = [],
    ): \Illuminate\Database\Eloquent\Model|\Illuminate\Database\Eloquent\Builder
    {
        return self::create(
            $container->id,
            ActionObjectType::CONTAINER,
            $action,
            $container->library?->project_id,
            $comment,
            $extraFields,
            $objectChanges,
        );
    }

    public static function createByAsset(
        Asset  $asset,
        ObjectAction $action,
        string       $comment = null,
        array        $extraFields = [],
        array        $objectChanges = [],
    ): \Illuminate\Database\Eloquent\Model|\Illuminate\Database\Eloquent\Builder
    {
        return self::create(
            $asset->id,
            ActionObjectType::ASSET,
            $action,
            null,
            $comment,
            $extraFields,
            $objectChanges,
        );
    }

    public static function latestDynamic(Project $project)
    {
        $actions = Action::query()
            ->where("project_id", $project->id)
            ->with(['createdBy'])
            ->orderByDesc("created_at")
            ->limit(20)
            ->get();

        $objectNames = self::objectNamesGroupByType($actions);

        $items = [];
        foreach ($actions as $action) {
            $items[] = self::actionFormat($action->toArray(), $objectNames);
        }

        return $items;
    }

    public static function objectEmailActions(ActionObjectType $actionObjectType, string $objectId, int $lastActionId): array
    {
        $actions = Action::query()
            ->with(['createdBy'])
            ->where("object_type", $actionObjectType->value)
            ->where("object_id", $objectId)
            ->where("id", "<=", $lastActionId)
            ->orderByDesc("created_at")
            ->limit(5)
            ->get();

        return self::actionsFormat($actions);

    }

    protected static function actionsFormat(Collection $actions): array
    {
        $objectNames = self::objectNamesGroupByType($actions);

        $items = [];
        foreach ($actions as $action) {
            $items[] = self::actionFormat($action->toArray(), $objectNames);
        }

        return $items;
    }

    public static function actionFormat(array $action, array $objectNames): array
    {
        $labelKey = sprintf("action-labels.label.%s", $action['action']);
        $objectLabelKey = sprintf("action-labels.object_type.%s", $action['object_type']);

        $cratedAt = Carbon::parse($action['created_at'])->timezone('Asia/Shanghai');
        $imgService=new ImageUrlService();
        //存在评论时才会执行获取图片路径
        if(isset($action['comment'])){
            $action['comment']=$imgService->getImageUrl($action['comment']);
        }

        return [
            'id' => $action['id'],
            'time' => $cratedAt->toTimeString(),
            'created_at' => $cratedAt->toDateTimeString(),
            'created_by' => [
                'id' => $action['created_by']['id'],
                'name' => $action['created_by']['name'],
                'username' => $action['created_by']['username'],
            ],
            'action_label' => app('translator')->has($labelKey) ? __($labelKey) : $action['action'],
            'object_label' => app('translator')->has($objectLabelKey) ? __($objectLabelKey) : $action['object_type'],
            'object_id' => $action['object_id'],
            'object_type' => $action['object_type'],
            'object_name' => data_get($objectNames, sprintf("%s.%d", $action['object_type'], $action['object_id'])),
            'comment' => $action['comment'],
        ];
    }

    public static function dynamic(Project $project, array $filter = [])
    {
        $actions = Action::query()->filter($filter)
            ->where("project_id", $project->id)
            ->with(['createdBy'])
            ->selectRaw("*, date_format(created_at, '%Y-%m-%d') as created_date")
            ->orderBy("created_at")
            ->get();

        $objectNames = self::objectNamesGroupByType($actions);

        $items = $actions->groupBy("created_date")->toArray();
        krsort($items);

        $data = [];
        foreach ($items as $day => $actionItems) {
            $dayItems = [
                'date' => $day,
                'items' => []
            ];

            foreach ($actionItems as $actionItem) {
                $dayItems['items'][] = self::actionFormat($actionItem, $objectNames);
            }

            $data[] = $dayItems;
        }

        return $data;
    }

    public static function AssetDynamic(Asset $asset, array $filter = [])
    {
    $actions = Action::query()->filter($filter)
        ->where("object_type", "asset")
        ->where("object_id",$asset->id)
        ->with(['createdBy'])
        ->selectRaw("*, date_format(created_at, '%Y-%m-%d') as created_date")
        ->orderBy("created_at")
        ->get();

    $objectNames = self::objectNamesGroupByType($actions);

    $items = $actions->groupBy("created_date")->toArray();
    krsort($items);

    $data = [];
    foreach ($items as $day => $actionItems) {
        $dayItems = [
            'date' => $day,
            'items' => []
        ];

        foreach ($actionItems as $actionItem) {
            $dayItems['items'][] = self::actionFormat($actionItem, $objectNames);
        }

        $data[] = $dayItems;
    }

    return $data;
}

    /**
     * @param Collection $actions
     * @return array
     */
    protected static function objectNamesGroupByType(Collection $actions): array
    {
        $groupActions = $actions->groupBy("object_type");

        $objectNames = [];
        foreach ($groupActions as $group => $items) {
            $objectType = ActionObjectType::tryFrom($group);

            $actionObjectBuilder= $objectType?->modelBuilder();
            if (! $actionObjectBuilder) {
                continue;
            }

            $objectNames[$group] = $actionObjectBuilder
                ->whereIn("id", $items->pluck("object_id")->unique()->toArray())
                ->pluck($objectType->nameField(), "id");
        }

        return $objectNames;
    }

    public static function actionWithHistory(ActionObjectType $actionObjectType, string $objectId): array
    {
        $actions = Action::query()
            ->with(['histories', 'createdBy'])
            ->where("object_type", $actionObjectType->value)
            ->where("object_id", $objectId)
            ->orderBy("created_at")
            ->get();

        $objectNames = self::objectNamesGroupByType($actions);

        self::eagerLoadingHistoryConverters($actionObjectType, $actions);

        $items = [];
        foreach ($actions as $action) {
            $item = self::actionFormat($action->toArray(), $objectNames);
            $item['histories'] = self::formatHistories($actionObjectType, $action->histories);

            $items[] = $item;
        }

        return $items;
    }

    public static function eagerLoadingHistoryConverters(ActionObjectType $actionObjectType, Collection $actions)
    {
        $detector = $actionObjectType->detectorClassName();

        $converters = [];
        foreach(call_user_func([$detector, "converters"]) as $key => $converter) {
            if (! $converter->isEagerLoading()) {
                continue;
            }

            $converters[$key] = $converter;
        }

        if (! $converters) {
            return;
        }

        $arrayFields = call_user_func([$detector, "arrayFields"]);
        $converterFields = array_keys($converters);

        $values = [];

        $pushValue = function (string $field, $fieldValue) use (&$values) {
            if (! $fieldValue) {
                return;
            }
            if (is_array($fieldValue)) {
                foreach ($fieldValue as $v) {
                    if (in_array($v, $values[$field] ?? [])) {
                      continue;
                    }
                    $values[$field][] = $v;
                }
            } else {
                if (! in_array($fieldValue, $values[$field] ?? [])) {
                    $values[$field][] = $fieldValue;
                }
            }
        };

        foreach ($actions as $action) {
            foreach ($action->histories as $history) {
                if (! in_array($history->field, $converterFields)) {
                    continue;
                }

                $old = in_array($history->field, $arrayFields) ? json_decode($history->old, true) : $history->old;
                $new = in_array($history->field, $arrayFields) ? json_decode($history->new, true) : $history->new;

                $pushValue($history->field, $old);
                $pushValue($history->field, $new);
            }
        }

        foreach ($values as $key => $value) {
            call_user_func([$converters[$key], "eagerLoad"], $value);
        }
    }

    public static function formatHistories(ActionObjectType $actionObjectType, Collection $histories): array
    {
        $detector = $actionObjectType->detectorClassName();

        $items = [];
        foreach ($histories as $history) {
            $labelKey = sprintf("fields.%s", $history->field);

            $item = [
                'field' => $history->field,
                'field_label' => app('translator')->has($labelKey) ? __($labelKey) : $history->field,
                'new' => self::coverFieldValue($detector, $history->field ?? '', $history->new ?? ''),
                'old' => self::coverFieldValue($detector, $history->field ?? '', $history->old ?? ''),
                'diff' => (string)$history->diff,
            ];

            $items[] = $item;
        }

        return $items;
    }

    protected static function coverFieldValue(string $detector, string $field, string $value): mixed
    {
        if (! $detector) {
            return $value;
        }

        $converter = call_user_func([$detector, "converter"], $field);

        return $converter ? $converter->handle($value) : $value;
    }
}