<?php

namespace App\Http\Controllers\Api;

use App\Exceptions\ApiException;
use App\Models\ProjectTask;
use App\Models\Report;
use App\Models\ReportReceive;
use App\Models\User;
use App\Module\Base;
use Carbon\Carbon;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use Illuminate\Validation\Rule;
use Request;
use Illuminate\Support\Facades\Validator;

/**
 * @apiDefine report
 *
 * 汇报
 */
class ReportController extends AbstractController
{
    /**
     * @api {get} api/report/my          01. 我发送的汇报
     *
     * @apiVersion 1.0.0
     * @apiGroup report
     * @apiName my
     *
     * @apiParam {String} [type]        汇报类型，weekly:周报，daily:日报
     * @apiParam {Array} [created_at]   汇报时间
     * @apiParam {Number} [page]        当前页，默认:1
     * @apiParam {Number} [pagesize]    每页显示数量，默认:20，最大:50
     *
     * @apiSuccess {Number} ret     返回状态码（1正确、0错误）
     * @apiSuccess {String} msg     返回信息（错误描述）
     * @apiSuccess {Object} data    返回数据
     */
    public function my(): array
    {
        $user = User::auth();
        // 搜索当前用户
        $builder = Report::with(['receivesUser'])->whereUserid($user->userid);
        $type = trim(Request::input('type'));
        $createAt = Request::input('created_at');
        in_array($type, [Report::WEEKLY, Report::DAILY]) && $builder->whereType($type);
        $whereArray = [];
        if (is_array($createAt)) {
            if ($createAt[0] > 0) $whereArray[] = ['created_at', '>=', date('Y-m-d H:i:s', Base::dayTimeF($createAt[0]))];
            if ($createAt[1] > 0) $whereArray[] = ['created_at', '<=', date('Y-m-d H:i:s', Base::dayTimeE($createAt[1]))];
        }
        $list = $builder->where($whereArray)->orderByDesc('created_at')->paginate(Base::getPaginate(50, 20));
        return Base::retSuccess('success', $list);
    }

    /**
     * @api {get} api/report/receive          02. 我接收的汇报
     *
     * @apiVersion 1.0.0
     * @apiGroup report
     * @apiName receive
     *
     * @apiParam {String} [username]    会员名
     * @apiParam {String} [type]        汇报类型，weekly:周报，daily:日报
     * @apiParam {Array} [created_at]   汇报时间
     * @apiParam {Number} [page]        当前页，默认:1
     * @apiParam {Number} [pagesize]    每页显示数量，默认:20，最大:50
     *
     * @apiSuccess {Number} ret     返回状态码（1正确、0错误）
     * @apiSuccess {String} msg     返回信息（错误描述）
     * @apiSuccess {Object} data    返回数据
     */
    public function receive(): array
    {
        $user = User::auth();
        $builder = Report::with(['receivesUser']);
        $builder->whereHas("receivesUser", function ($query) use ($user) {
            $query->where("report_receives.userid", $user->userid);
        });
        $type = trim(Request::input('type'));
        $createAt = Request::input('created_at');
        $username = trim(Request::input('username', ''));
        $builder->whereHas('sendUser', function ($query) use ($username) {
            if (!empty($username)) {
                $query->where('users.email', 'LIKE', '%' . $username . '%');
            }
        });
        in_array($type, [Report::WEEKLY, Report::DAILY]) && $builder->whereType($type);
        $whereArray = [];
        if (is_array($createAt)) {
            if ($createAt[0] > 0) $whereArray[] = ['created_at', '>=', date('Y-m-d H:i:s', Base::dayTimeF($createAt[0]))];
            if ($createAt[1] > 0) $whereArray[] = ['created_at', '<=', date('Y-m-d H:i:s', Base::dayTimeE($createAt[1]))];
        }
        $list = $builder->where($whereArray)->orderByDesc('created_at')->paginate(Base::getPaginate(50, 20));
        if ($list->items()) {
            foreach ($list->items() as $item) {
                $item->receive_time = ReportReceive::query()->whereRid($item["id"])->whereUserid($user->userid)->value("receive_time");
            }
        }
        return Base::retSuccess('success', $list);
    }

    /**
     * @api {get} api/report/store          03. 保存并发送工作汇报
     *
     * @apiVersion 1.0.0
     * @apiGroup report
     * @apiName store
     *
     * @apiParam {Number} [id]           汇报ID
     * @apiParam {String} [title]        汇报标题
     * @apiParam {Array}  [type]         汇报类型，weekly:周报，daily:日报
     * @apiParam {Number} [content]      内容
     * @apiParam {Number} [receive]      汇报对象
     * @apiParam {Number} [offset]       偏移量
     *
     * @apiSuccess {Number} ret     返回状态码（1正确、0错误）
     * @apiSuccess {String} msg     返回信息（错误描述）
     * @apiSuccess {Object} data    返回数据
     */
    public function store(): array
    {
        $input = [
            "id" => Base::getPostValue("id", 0),
            "title" => Base::getPostValue("title"),
            "type" => Base::getPostValue("type"),
            "content" => Base::getPostValue("content"),
            "receive" => Base::getPostValue("receive"),
            // 以当前日期为基础的周期偏移量。例如选择了上一周那么就是 -1，上一天同理。
            "offset" => Base::getPostValue("offset", 0),
        ];
        $validator = Validator::make($input, [
            'id' => 'numeric',
            'title' => 'required',
            'type' => ['required', Rule::in([Report::WEEKLY, Report::DAILY])],
            'content' => 'required',
            'receive' => 'required',
            'offset' => ['numeric', 'max:0'],
        ], [
            'id.numeric' => 'ID只能是数字',
            'title.required' => '请填写标题',
            'type.required' => '请选择汇报类型',
            'type.in' => '汇报类型错误',
            'content.required' => '请填写汇报内容',
            'receive.required' => '请选择接收人',
            'offset.numeric' => '工作汇报周期格式错误，只能是数字',
            'offset.max' => '只能提交当天/本周或者之前的的工作汇报',
        ]);
        if ($validator->fails())
            return Base::retError($validator->errors()->first());

        $user = User::auth();
        // 接收人
        if (is_array($input["receive"])) {
            // 删除当前登录人
            $input["receive"] = array_diff($input["receive"], [$user->userid]);

            // 查询用户是否存在
            if (count($input["receive"]) !== User::whereIn("userid", $input["receive"])->count())
                return Base::retError("用户不存在");

            foreach ($input["receive"] as $userid) {
                $input["receive_content"][] = [
                    "receive_time" => Carbon::now()->toDateTimeString(),
                    "userid" => $userid,
                    "read" => 0,
                ];
            }
        }

        // 在事务中运行
        Report::transaction(function () use ($input, $user) {
            $id = $input["id"];
            if ($id) {
                // 编辑
                $report = Report::getOne($id);
                $report->updateInstance([
                    "title" => $input["title"],
                    "type" => $input["type"],
                    "content" => htmlspecialchars($input["content"]),
                ]);
            } else {
                // 生成唯一标识
                $sign = Report::generateSign($input["type"], $input["offset"]);
                // 检查唯一标识是否存在
                if (empty($input["id"])) {
                    if (Report::query()->whereSign($sign)->count() > 0)
                        throw new ApiException("请勿重复提交工作汇报");
                }
                $report = Report::createInstance([
                    "title" => $input["title"],
                    "type" => $input["type"],
                    "content" => htmlspecialchars($input["content"]),
                    "userid" => $user->userid,
                    "sign" => $sign,
                ]);
            }

            $report->save();
            if (!empty($input["receive_content"])) {
                // 删除关联
                $report->Receives()->delete();
                // 保存接收人
                $report->Receives()->createMany($input["receive_content"]);
            }

        });
        return Base::retSuccess('保存成功');
    }

    /**
     * @api {get} api/report/template          04. 生成汇报模板
     *
     * @apiVersion 1.0.0
     * @apiGroup report
     * @apiName template
     *
     * @apiParam {Array}  [type]         汇报类型，weekly:周报，daily:日报
     * @apiParam {Number} [offset]       偏移量
     * @apiParam {String} [date]         时间
     *
     * @apiSuccess {Number} ret     返回状态码（1正确、0错误）
     * @apiSuccess {String} msg     返回信息（错误描述）
     * @apiSuccess {Object} data    返回数据
     */
    public function template(): array
    {
        $user = User::auth();
        $type = trim(Request::input("type"));
        $offset = abs(intval(Request::input("offset", 0)));
        $id = intval(Request::input("offset", 0));
        $now_dt = trim(Request::input("date")) ? Carbon::parse(Request::input("date")) : Carbon::now();
        // 获取开始时间
        if ($type === Report::DAILY) {
            $start_time = Carbon::today();
            if ($offset > 0) {
                // 将当前时间调整为偏移量当天结束
                $now_dt->subDays($offset)->endOfDay();
                // 开始时间偏移量计算
                $start_time->subDays($offset);
            }
            $end_time = Carbon::instance($start_time)->endOfDay();
        } else {
            $start_time = Carbon::now();
            if ($offset > 0) {
                // 将当前时间调整为偏移量当周结束
                $now_dt->subWeeks($offset)->endOfDay();
                // 开始时间偏移量计算
                $start_time->subWeeks($offset);
            }
            $start_time->startOfWeek();
            $end_time = Carbon::instance($start_time)->endOfWeek();
        }
        // 生成唯一标识
        $sign = Report::generateSign($type, 0, Carbon::instance($start_time));
        $one = Report::query()->whereSign($sign)->first();
        // 如果已经提交了相关汇报
        if ($one && $id > 0) {
            return Base::retSuccess('success', [
                "content" => $one->content,
                "title" => $one->title,
                "id" => $one->id,
            ]);
        }


        // 已完成的任务
        $completeContent = "";
        $complete_task = ProjectTask::query()
            ->whereNotNull("complete_at")
            ->whereBetween("complete_at", [$start_time->toDateTimeString(), $end_time->toDateTimeString()])
            ->whereHas("taskUser", function ($query) use ($user) {
                $query->where("userid", $user->userid);
            })
            ->orderByDesc("id")
            ->get();
        if ($complete_task->isNotEmpty()) {
            foreach ($complete_task as $task) {
                $complete_at = Carbon::parse($task->complete_at);
                $pre = $type == Report::WEEKLY ? ('<span>[' . Base::Lang('周' . ['日', '一', '二', '三', '四', '五', '六'][$complete_at->dayOfWeek]) . ']</span>&nbsp;') : '';
                $completeContent .= '<li>' . $pre . $task->name . '</li>';
            }
        } else {
            $completeContent = '<li>&nbsp;</li>';
        }

        // 未完成的任务
        $unfinishedContent = "";
        $unfinished_task = ProjectTask::query()
            ->whereNull("complete_at")
            ->whereNotNull("start_at")
            ->where("end_at", "<", $end_time->toDateTimeString())
            ->whereHas("taskUser", function ($query) use ($user) {
                $query->where("userid", $user->userid);
            })
            ->orderByDesc("id")
            ->get();
        if ($unfinished_task->isNotEmpty()) {
            foreach ($unfinished_task as $task) {
                empty($task->end_at) || $end_at = Carbon::parse($task->end_at);
                $pre = (!empty($end_at) && $end_at->lt($now_dt)) ? '<span style="color:#ff0000;">[' . Base::Lang('超期') . ']</span>&nbsp;' : '';
                $unfinishedContent .= '<li>' . $pre . $task->name . '</li>';
            }
        } else {
            $unfinishedContent = '<li>&nbsp;</li>';
        }
        // 生成标题
        if ($type === Report::WEEKLY) {
            $title = $user->nickname . "的周报[" . $start_time->format("m/d") . "-" . $end_time->format("m/d") . "]";
            $title .= "[" . $start_time->month . "月第" . $start_time->weekOfMonth . "周]";
        } else {
            $title = $user->nickname . "的日报[" . $start_time->format("Y/m/d") . "]";
        }
        $data = [
            "time" => $start_time->toDateTimeString(),
            "complete_task" => $complete_task,
            "unfinished_task" => $unfinished_task,
            "content" => '<h2>' . Base::Lang('已完成工作') . '</h2><ol>' .
                $completeContent . '</ol><h2>' .
                Base::Lang('未完成的工作') . '</h2><ol>' .
                $unfinishedContent . '</ol>',
            "title" => $title,
        ];
        if ($one) {
            $data['id'] = $one->id;
        }
        return Base::retSuccess('success', $data);
    }

    /**
     * @api {get} api/report/detail          05. 报告详情
     *
     * @apiVersion 1.0.0
     * @apiGroup report
     * @apiName detail
     *
     * @apiParam {Number} [id]           报告id
     *
     * @apiSuccess {Number} ret     返回状态码（1正确、0错误）
     * @apiSuccess {String} msg     返回信息（错误描述）
     * @apiSuccess {Object} data    返回数据
     */
    public function detail(): array
    {
        $id = intval(trim(Request::input("id")));
        if (empty($id))
            return Base::retError("缺少ID参数");

        $one = Report::getOne($id);
        $one->type_val = $one->getRawOriginal("type");

        $user = User::auth();
        // 标记为已读
        if (!empty($one->receivesUser)) {
            foreach ($one->receivesUser as $item) {
                if ($item->userid === $user->userid && $item->pivot->read === 0) {
                    $one->receivesUser()->updateExistingPivot($user->userid, [
                        "read" => 1,
                    ]);
                }
            }
        }

        return Base::retSuccess("success", $one);
    }

    /**
     * @api {get} api/report/last_submitter          06. 获取最后一次提交的接收人
     *
     * @apiVersion 1.0.0
     * @apiGroup report
     * @apiName last_submitter
     *
     * @apiSuccess {Number} ret     返回状态码（1正确、0错误）
     * @apiSuccess {String} msg     返回信息（错误描述）
     * @apiSuccess {Object} data    返回数据
     */
    public function last_submitter(): array
    {
        $one = Report::getLastOne();
        return Base::retSuccess("success", empty($one["receives"]) ? [] : $one["receives"]);
    }

    /**
     * @api {get} api/report/unread          07. 获取未读
     *
     * @apiVersion 1.0.0
     * @apiGroup report
     * @apiName unread
     *
     * @apiParam {Number} [userid]          用户id
     *
     * @apiSuccess {Number} ret     返回状态码（1正确、0错误）
     * @apiSuccess {String} msg     返回信息（错误描述）
     * @apiSuccess {Object} data    返回数据
     */
    public function unread(): array
    {
        $userid = intval(trim(Request::input("userid")));
        $user = empty($userid) ? User::auth() : User::find($userid);

        $data = Report::whereHas("Receives", function (Builder $query) use ($user) {
            $query->where("userid", $user->userid)->where("read", 0);
        })->orderByDesc('created_at')->paginate(Base::getPaginate(50, 20));
        return Base::retSuccess("success", $data);
    }

    /**
     * @api {get} api/report/read          08. 标记汇报已读，可批量
     *
     * @apiVersion 1.0.0
     * @apiGroup report
     * @apiName read
     *
     * @apiParam {String} [ids]      报告id
     *
     * @apiSuccess {Number} ret     返回状态码（1正确、0错误）
     * @apiSuccess {String} msg     返回信息（错误描述）
     * @apiSuccess {Object} data    返回数据
     */
    public function read(): array
    {
        $user = User::auth();
        $ids = Request::input("ids");
        if (!is_array($ids) && !is_string($ids)) {
            return Base::retError("请传入正确的工作汇报Id");
        }

        if (is_string($ids)) {
            $ids = explode(",", $ids);
        }

        $data = Report::with(["receivesUser" => function (BelongsToMany $query) use ($user) {
            $query->where("report_receives.userid", $user->userid)->where("read", 0);
        }])->whereIn("id", $ids)->get();

        if ($data->isNotEmpty()) {
            foreach ($data as $item) {
                (!empty($item->receivesUser) && $item->receivesUser->isNotEmpty()) && $item->receivesUser()->updateExistingPivot($user->userid, [
                    "read" => 1,
                ]);
            }
        }
        return Base::retSuccess("success", $data);
    }
}