# Create an express app with routes /, /products and /services
# Create a route that captures the product id after /product and returns it in response
# Use a regex to restrict the ID param to 3 letters followed by 3-5 numbers
# Route a route using regex that matches the entire route
# Create a simple check for correct product IDs. If it fails, show a custom error page
# Use app.all() to check user permission before showing (mock) edit controls on a page
express = require "express"

app = express.createServer()
app.use express.logger
    format: ":method :url"

app.get "/", (req, res) ->
    res.write "Front page"
    res.end()

canUserEdit = ->
    true

app.all "/products/*", (req, res, next) ->
    if canUserEdit()
        res.write "<button>Edit</button>"
    next()

app.get "/products", (req, res) ->
    res.end "Our cool products"

findProduct = (id) ->
    if id isnt "abc123"
        return false
    true

app.get "/products/:id([a-z]{3}\\d{3})", (req, res, next) ->
    unless findProduct req.params.id
        return next()
    res.end "Product #{req.params.id}"

app.get "/products/:id", (req, res) ->
    res.statusCode = 404
    res.end "Product #{req.params.id} not found"

app.get "/services", (req, res) ->
    res.end "Our even cooler services"

app.get /// (.*) ///, (req, res, next) ->
    console.log "Got regex route #{req.url}, forwarding"
    next()

app.listen 8003