#!/usr/bin/env perl

use v5.30.0;

use strict;
use warnings;

use Data::Dumper;

use Mojolicious::Commands;
use Term::ReadLine;
use Getopt::Long::Descriptive;
use Crypt::URandom q/urandom/;
use JSON;
use Path::Tiny;

use Peace;
use Peace::DB;

my ( $opt, $usage ) = describe_options(
    'peace %o',
    [ 'dbname|d=s',   'The database name for config generation.' ],
    [ 'host|H=s',     'The database host for config generation.' ],
    [ 'username|u=s', 'The database username for config generation.' ],
    [ 'password|P=s', 'The database password for config generation.' ],
    [ 'port|p=i',     'The database port for config generation.' ],
    [
        'disable-readline-ask',
        'Disable the readline questions for undefined fields.'
    ],
    [ 'help|h', 'Print this usage message', { shortcircuit => 1 } ],
);
print( $usage->text ), exit if $opt->help;

my $home = $ENV{HOME};
my $config_path = "$home/.config/peace/peace.conf";

if ( !-e $config_path) {
    my $secret = unpack 'H*', urandom(128);
    say $secret;
    my $prompt   = '> ';
    my $dbname   = $opt->dbname;
    my $host     = $opt->host;
    my $username = $opt->username;
    my $password = $opt->password;
    my $port     = $opt->port;

    if ( !$opt->disable_readline_ask ) {
        $dbname = ask_readline_question( $dbname, 'Introduce the dbname:' );
        $host   = ask_readline_question( $host,   'Introduce the host:' );
        $username =
          ask_readline_question( $username, 'Introduce the username:' );
        $password =
          ask_readline_question( $password, 'Introduce the password:' );
        $port = ask_readline_question( $port, 'Introduce the port:' );
    }
    my $config = {
        secret    => $secret,
        db_config => {
            ( username => $username ) x ( 0 + !!( defined $username ) ),
            ( dbname   => $dbname ) x ( 0 + !!( defined $dbname ) ),
            ( host     => $host ) x ( 0 + !!( defined $host ) ),
            ( password => $password ) x ( 0 + !!( defined $password ) ),
            ( port     => $port ) x ( 0 + !!( defined $port ) ),
        }
    };
    path ($config_path)->parent->mkpath;
    print Data::Dumper::Dumper $config;
    path ($config_path)->spew_utf8(encode_json $config);
}

Peace::DB->dbh( config => Peace->new->peace_config );
@ARGV = ('daemon');

# Start command line interface for application
Mojolicious::Commands->start_app('Peace');

sub ask_readline_question {
    return if defined shift;
    my $prompt = '~> ';
    my $term   = Term::ReadLine->new('Peace setup');
    say shift;
    return $term->readline($prompt) || undef;
}