<?php namespace Manage\Api\Page;
use Dever;
use Manage\Lib\Page;
# 更新页
class Update extends Page
{
    public function __construct()
    {
        parent::__construct('update');
    }
    public function get()
    {
        $data['update'] = $data['field'] = array();
        $this->setting('field', $data['update'], true, 'text');
        foreach ($data['update'] as $k => $v) {
            $data['field'][$v['key']] = $v['value'];
        }
        if ($this->id) {
            $data['info'] = $this->db->find($this->id);
            if ($data['info']) {
                foreach ($data['info'] as $k => $v) {
                    if (isset($data['field'][$k])) {
                        if (is_array($data['field'][$k])) {
                            $v = explode(',', $v);
                        }
                        if (isset($this->config['field'][$k]) && isset($this->config['field'][$k]['value'])) {
                            $v = $this->config['field'][$k]['value'];
                        }
                        $data['field'][$k] = $v;
                    }
                }
            }
        }
        $data['desc'] = $this->config['desc'] ?? '';
        $this->layout($data);
        $this->tab($data, 'step');
        if (!$data['step']) {
            $this->tab($data);
        }
        return $data;
    }

    private function tab(&$data, $type = 'tab')
    {
        $field = Dever::input('field');
        $data[$type] = array();
        if (empty($data['layout']) && !$field && isset($this->config[$type])) {
            foreach ($this->config[$type] as $k => $v) {
                if (is_string($v)) {
                    $field = array();
                    $data[$type][] = array
                    (
                        'name' => $k,
                        'update' => $this->getUpdate($v, $data['update'], $field),
                        'field' => $field,
                    );
                } else {
                    $field = array();
                    $result = array();
                    $result['name'] = $k;
                    foreach ($v as $v1) {
                        $result['layout'][] = $this->getUpdate($v1, $data['update'], $field);
                    }
                    $result['field'] = $field;
                    $data[$type][] = $result;
                }
            }
            $data['update'] = array();
        }
    }

    private function layout(&$data)
    {
        $field = Dever::input('field');
        $data['layout'] = array();
        if (!$field && isset($this->config['layout'])) {
            foreach ($this->config['layout'] as $k => $v) {
                $field = array();
                $data['layout'][] = $this->getUpdate($v, $data['update'], $field);
            }
            $data['update'] = array();
        }
    }

    private function getUpdate($set, $update, &$field)
    {
        $result = array();
        if (is_string($set)) {
            $set = explode(',', $set);
            foreach ($set as $k => $v) {
                foreach ($update as $value) {
                    if ($value['key'] == $v) {
                        $result[] = $value;
                        $field[] = $v;
                    }
                }
            }
        } else {
            foreach ($set as $k => $v) {
                foreach ($update as $value) {
                    if ($value['key'] == $k) {
                        $result[] = array('span' => $v, 'update' => array($value));
                        $field[] = $k;
                    }
                }
            }
        }
        return $result;
    }

    public function do_commit(){}
    public function do()
    {
        $update = array();
        $this->setting('update', $update, true, 'text');
        if ($update) {
            $data = array();
            $input = Dever::input();
            $id = false;
            if (isset($input['id']) && $input['id'] > 0) {
                $id = $input['id'];
            }
            foreach ($update as $k => $v) {
                if (isset($input[$v['key']])) {
                    if (isset($v['rule'])) {
                        $this->checkRules($v, $input[$v['key']]);
                    }
                    $this->doData($data, $v['key'], $input[$v['key']]);
                } elseif ($id) {
                    $data[$v['key']] = '';
                }
            }
            if (!$data) {
                Dever::error('无效数据');
            }
            $this->check($id, $data);
            $this->start($id, $data);
            if ($id) {
                $info = $this->db->find($id);
                if (!$info) {
                    Dever::error('无效数据');
                }
                $state = $this->db->update($info['id'], $data);
                if ($state) {
                    $id = $info['id'];
                }
            } else {
                $id = $this->db->insert($data);
            }
            if (!$id) {
                Dever::error('操作失败');
            }
            $this->end($id, $data);
            return '操作成功';
        }
    }

    private function doData(&$data, $key, $value)
    {
        if (is_array($value)) {
            if (isset($value[0])) {
                $value = ltrim(implode(',', $value), ',');
            } else {
                $value = Dever::json_ecode($value);
            }
        }
        if ($value && isset($this->config['field'][$key]) && $handle = Dever::isset($this->config['field'][$key], 'handle')) {
            $value = Dever::call($handle, $value);
            if (is_array($value) && isset($value[$key])) {
                foreach ($value as $k => $v) {
                    $data[$k] = $v;
                }
                return;
            }
        }
        $data[$key] = $value;
    }

    private function check($id, $data)
    {
        if (isset($this->config['check']) && $this->config['check']) {
            $check = explode(',', $this->config['check']);
            $where = array();
            $name = array();
            foreach ($check as $k => $v) {
                if (isset($data[$v])) {
                    if (isset($this->config['field'][$v]) && isset($this->config['field'][$v]['name'])) {
                        $n = $this->config['field'][$v]['name'];
                    } elseif (isset($this->db->config['struct'][$v])) {
                        $n = $this->db->config['struct'][$v]['name'];
                    } else {
                        $n = $v;
                    }
                    $where[$v] = $data[$v];
                    $name[] = $n;
                }
            }
            if ($where) {
                if ($id) {
                    $where['id'] = array('!=', $id);
                }
                $info = $this->db->find($where);
                if ($info) {
                    $name = implode('、', $name);
                    Dever::error($name . '已存在');
                }
            }
        }
    }

    private function start($id, &$data)
    {
        if (isset($this->config['start']) && $this->config['start']) {
            echo $this->config['start'];die;
        }
    }

    private function end($id, $data)
    {
        if (isset($this->config['end']) && $this->config['end']) {
            echo $this->config['end'];die;
        }
    }
}