<?php

namespace app\common\library\ps;

use think\Db;

/**
 * 工厂端首页模块。后台可增删改，前台按权重渲染。
 */
class HomePage
{
    public static function typeList()
    {
        return [
            'hero'     => '头图介绍',
            'stats'    => '宣传数据',
            'steps'    => '操作流程',
            'features' => '功能卡片',
            'cta'      => '底部行动',
            'custom'   => '自定义图文',
        ];
    }

    /**
     * @return array
     */
    public static function published()
    {
        try {
            $rows = Db::name('ps_home_block')->where('status', 'normal')->order('weigh desc,id asc')->select();
        } catch (\Exception $e) {
            return self::defaults();
        }
        $out = [];
        foreach ($rows as $row) {
            $out[] = self::formatRow($row);
        }
        return $out;
    }

    /**
     * @param array $row
     * @return array
     */
    public static function formatRow(array $row)
    {
        $content = [];
        if (!empty($row['content'])) {
            $decoded = json_decode($row['content'], true);
            if (is_array($decoded)) {
                $content = $decoded;
            }
        }
        return [
            'id'       => (int)$row['id'],
            'type'     => (string)$row['type'],
            'name'     => (string)$row['name'],
            'kicker'   => (string)$row['kicker'],
            'title'    => (string)$row['title'],
            'subtitle' => (string)$row['subtitle'],
            'weigh'    => (int)$row['weigh'],
            'content'  => $content,
        ];
    }

    /**
     * @return array
     */
    public static function defaults()
    {
        $now = time();
        $rows = [
            [
                'id'       => 0,
                'type'     => 'hero',
                'name'     => '头图',
                'kicker'   => '',
                'title'    => '智印流程单',
                'subtitle' => '把工单数据，准确地打在已印好的纸上',
                'weigh'    => 100,
                'content'  => [
                    'eyebrow'            => '给车间用的智能套打',
                    'brand'              => '智印流程单',
                    'lead'               => '文件导入就能识别产品与工序，选好模板、填好数量，即可批量套打。模板可自制，也可在商城里选用，每次打印都留得下记录。',
                    'btn_primary_text'   => '开始套打',
                    'btn_primary_path'   => '/workorders/edit',
                    'btn_secondary_text' => '了解流程',
                    'btn_secondary_path' => '#home-flow',
                    'panel_title'        => '今天的车间',
                    'notes'              => [
                        '导入文件，AI 帮你认出编号和工序',
                        '数量只在套打时填写，一版一张',
                        '按原纸格子对齐，字打在该打的地方',
                    ],
                ],
            ],
            [
                'id'       => 0,
                'type'     => 'stats',
                'name'     => '宣传数据',
                'kicker'   => '',
                'title'    => '',
                'subtitle' => '',
                'weigh'    => 90,
                'content'  => [
                    'items' => [
                        ['label' => '入驻厂家', 'key' => 'factory_count', 'value' => ''],
                        ['label' => '今日打印量', 'key' => 'print_today', 'value' => ''],
                        ['label' => '累计套打张数', 'key' => 'print_total', 'value' => ''],
                        ['label' => '可用模板', 'key' => 'template_count', 'value' => ''],
                    ],
                ],
            ],
            [
                'id'       => 0,
                'type'     => 'steps',
                'name'     => '操作流程',
                'kicker'   => '怎么用',
                'title'    => '四步走完，就能出单',
                'subtitle' => '从建档到打印，车间按这个顺序做就行，不用先学一堆设置。',
                'weigh'    => 80,
                'content'  => [
                    'items' => [
                        ['title' => '建档或导入', 'desc' => '手工新建产品 / 工单，或用文件导入让 AI 识别编号、名称和工序。'],
                        ['title' => '准备模板', 'desc' => '在本厂模板中选用已识版样式，也可到模板商城补充官方或市场模板。'],
                        ['title' => '套打出单', 'desc' => '填写本次总数量和每版数量，预览拆张后确认打印，只印字段不印底图。'],
                        ['title' => '记录与分析', 'desc' => '在打印日志里查看流水和补打记录，首页看板同步展示打印量与工厂数据。'],
                    ],
                ],
            ],
            [
                'id'       => 0,
                'type'     => 'features',
                'name'     => '功能介绍',
                'kicker'   => '能做什么',
                'title'    => '日常出单用得到的能力',
                'subtitle' => '识别、套打、模板、商城、日志和分析都在这一处，点卡片就能进去。',
                'weigh'    => 70,
                'content'  => [
                    'items' => [
                        ['tag' => '识别', 'title' => '文件导入 AI 识别', 'desc' => '上传 Excel、PDF 或图片，自动提取编号、名称与工序，核对后写入本厂档案。', 'path' => '/workorders'],
                        ['tag' => '套打', 'title' => '批量打印', 'desc' => '按总数量和每版数量自动拆张，一次确认即可连续套打多张流程单。', 'path' => '/templates'],
                        ['tag' => '模板', 'title' => '自定义模板', 'desc' => '上传车间流程单识版，格子坐标与字段对齐后，按原纸套打不跑偏。', 'path' => '/templates'],
                        ['tag' => '商城', 'title' => '模板商城', 'desc' => '选用官方或市场模板，单次或买断授权，快速补齐本厂可套打样式。', 'path' => '/market'],
                        ['tag' => '日志', 'title' => '打印日志', 'desc' => '每次套打留流水号、模板与张数，便于车间对账、补打和追溯。', 'path' => '/print/history'],
                        ['tag' => '分析', 'title' => '数据智能分析', 'desc' => '汇总入驻工厂、日打印量、本厂工单与套打次数，看清车间打印节奏。', 'path' => '/print/history'],
                    ],
                ],
            ],
            [
                'id'       => 0,
                'type'     => 'cta',
                'name'     => '底部行动',
                'kicker'   => '',
                'title'    => '准备好就开打',
                'subtitle' => '选一张本厂模板，填上本次数量，流程单就能按原纸套出来。',
                'weigh'    => 60,
                'content'  => [
                    'btn_primary_text'     => '选择模板套打',
                    'btn_primary_path'     => '/templates',
                    'btn_secondary_text'   => '进入工单',
                    'btn_secondary_path'   => '/workorders',
                ],
            ],
        ];
        foreach ($rows as &$row) {
            $row['createtime'] = $now;
            $row['updatetime'] = $now;
            $row['status'] = 'normal';
        }
        unset($row);
        return $rows;
    }

    /**
     * @param array $params
     * @return array
     */
    public static function normalize(array $params)
    {
        $type = isset($params['type']) ? (string)$params['type'] : 'custom';
        if (!isset(self::typeList()[$type])) {
            $type = 'custom';
        }
        $params['type'] = $type;
        $params['name'] = mb_substr(trim((string)($params['name'] ?? '')), 0, 64);
        $params['kicker'] = mb_substr(trim((string)($params['kicker'] ?? '')), 0, 64);
        $params['title'] = mb_substr(trim((string)($params['title'] ?? '')), 0, 120);
        $params['subtitle'] = mb_substr(trim((string)($params['subtitle'] ?? '')), 0, 255);
        $params['weigh'] = (int)($params['weigh'] ?? 0);
        $params['status'] = ($params['status'] ?? '') === 'hidden' ? 'hidden' : 'normal';
        $raw = $params['content_json'] ?? $params['content'] ?? [];
        if (is_string($raw)) {
            $decoded = json_decode($raw, true);
            $raw = is_array($decoded) ? $decoded : [];
        }
        if (!is_array($raw)) {
            $raw = [];
        }
        $params['content'] = json_encode(self::cleanContent($type, $raw), JSON_UNESCAPED_UNICODE);
        unset($params['content_json'], $params['items'], $params['notes']);
        return $params;
    }

    /**
     * @param string $type
     * @param array  $raw
     * @return array
     */
    public static function cleanContent($type, array $raw)
    {
        $str = function ($key, $max = 255) use ($raw) {
            return mb_substr(trim((string)($raw[$key] ?? '')), 0, $max);
        };
        if ($type === 'hero') {
            $notes = $raw['notes'] ?? [];
            if (is_string($notes)) {
                $notes = preg_split('/\r\n|\n/', $notes);
            }
            $cleanNotes = [];
            foreach ((array)$notes as $note) {
                $note = trim((string)$note);
                if ($note !== '') {
                    $cleanNotes[] = mb_substr($note, 0, 120);
                }
            }
            return [
                'eyebrow'            => $str('eyebrow', 40),
                'brand'              => $str('brand', 40),
                'lead'               => $str('lead', 500),
                'btn_primary_text'   => $str('btn_primary_text', 20),
                'btn_primary_path'   => $str('btn_primary_path', 120),
                'btn_secondary_text' => $str('btn_secondary_text', 20),
                'btn_secondary_path' => $str('btn_secondary_path', 120),
                'panel_title'        => $str('panel_title', 40),
                'notes'              => $cleanNotes,
            ];
        }
        if ($type === 'stats' || $type === 'steps' || $type === 'features') {
            $items = [];
            foreach ((array)($raw['items'] ?? []) as $item) {
                if (!is_array($item)) {
                    continue;
                }
                if ($type === 'stats') {
                    $label = mb_substr(trim((string)($item['label'] ?? '')), 0, 40);
                    if ($label === '') {
                        continue;
                    }
                    $items[] = [
                        'label' => $label,
                        'key'   => mb_substr(trim((string)($item['key'] ?? '')), 0, 32),
                        'value' => mb_substr(trim((string)($item['value'] ?? '')), 0, 32),
                    ];
                } elseif ($type === 'steps') {
                    $title = mb_substr(trim((string)($item['title'] ?? '')), 0, 40);
                    if ($title === '') {
                        continue;
                    }
                    $items[] = [
                        'title' => $title,
                        'desc'  => mb_substr(trim((string)($item['desc'] ?? '')), 0, 200),
                    ];
                } else {
                    $title = mb_substr(trim((string)($item['title'] ?? '')), 0, 40);
                    if ($title === '') {
                        continue;
                    }
                    $items[] = [
                        'tag'   => mb_substr(trim((string)($item['tag'] ?? '')), 0, 12),
                        'title' => $title,
                        'desc'  => mb_substr(trim((string)($item['desc'] ?? '')), 0, 200),
                        'path'  => mb_substr(trim((string)($item['path'] ?? '')), 0, 120),
                    ];
                }
            }
            return ['items' => $items];
        }
        if ($type === 'cta') {
            return [
                'btn_primary_text'   => $str('btn_primary_text', 20),
                'btn_primary_path'   => $str('btn_primary_path', 120),
                'btn_secondary_text' => $str('btn_secondary_text', 20),
                'btn_secondary_path' => $str('btn_secondary_path', 120),
            ];
        }
        return [
            'body'     => $str('body', 2000),
            'btn_text' => $str('btn_text', 20),
            'btn_path' => $str('btn_path', 120),
        ];
    }
}