const express = require('express');
const bodyParser = require('body-parser');
const app = express();
const templates = require('./templates');
const renderer = require('./renderer');
const store = require('./store');
const { getPdfPath } = require('./utils');

app.use(bodyParser.json());

app.options('/api/pdf/generate/:template');
app.post('/api/pdf/generate/:template', (req, res) => {
    const templateName = req.params.template;
    const options = req.body;

    templates.get(templateName, options)
        .then(renderer)
        .then(id => {
            const storeData = Object.assign({}, options, {
                id,
                created: new Date().toISOString()
            });
            return store
                .add(storeData)
                .then(() => id);
        })
        .then(id => {
            res
                .status(200)
                .json({id: id});
        })
        .catch((err) => {
            console.error('Error:', err, 'for', req.url);
            res
                .status(500)
                .json({error: err.toString()});
        });
});

app.get('/api/pdf/latest', (req, res) => {
    store
        .list()
        .then(results => res
            .status(200)
            .json(results)
        )
        .catch(err => res
            .status(500)
            .json({error: err.toString()})
        );
});

app.delete('/api/pdf/latest/:id', (req, res) => {
    const { id } = req.params;
    console.log(`Deleting ${id}...`);
    store
        .remove(id)
        .then(() => res.sendStatus(202))
        .catch(err => res
            .status(500)
            .json({error: err.toString()})
        );
});


app.options('/api/pdf/:id');
app.get('/api/pdf/:id', (req, res) => {
    const {id} = req.params;
    res
        .status(200)
        .sendFile(getPdfPath(id));
});

app.use(express.static('../client/build'));

app.listen(5000);