module main

import veb
import rand

const port = 8082

struct State {
mut:
    cnt int
}

pub struct App {
mut:
    state shared State
}

struct Context {
    veb.Context
}

pub fn (ctx &Context) before_request() {
    $if trace_before_request ? {
        eprintln('[veb] before_request: ${ctx.req.method} ${ctx.req.url}')
    }
}

@['/users/:user']
pub fn (mut app App) user_endpoint(mut ctx Context, user string) veb.Result {
    // pub fn (mut app App) user_endpoint(user string) veb.Result {
    id := rand.intn(100) or { 0 }
    return ctx.json({
        user: id
    })
}

pub fn (mut app App) index() veb.Result {
    println('veb_example.v index()')
    mut c := 0
    lock app.state {
        app.state.cnt++
        c = app.state.cnt
        //
        $if trace_address_of_app_state_cnt ? {
            dump(ptr_str(app.state.cnt))
        }
    }
    show := true
    hello := 'Hello world from veb, request number: ${c}'
    numbers := [1, 2, 3]
    return $veb.html()
}

pub fn (mut app App) custom_template(mut ctx Context) veb.Result {
    return $veb.html('custom.html')
}

pub fn (mut app App) show_text(mut ctx Context) veb.Result {
    return ctx.text('Hello world from veb')
}

pub fn (mut app App) cookie(mut ctx Context) veb.Result {
    ctx.set_cookie(name: 'cookie', value: 'test')
    return ctx.text('Response Headers\n${ctx.req.header}')
}

@[post]
pub fn (mut app App) post(mut ctx Context) veb.Result {
    return ctx.text('Post body: ${ctx.req.data}')
}

fn main() {
    println('veb example')
    mut app := &App{}
    // veb.run(&App{}, port)

    veb.run_at[App, Context](mut app, port: port, family: .ip, timeout_in_seconds: 2) or {
        panic(err)
    }
}