peach-workspace/peach-web/src/routes/settings/scuttlebutt/configure.rs

use maud::{html, PreEscaped};
use peach_lib::sbot::{SbotConfig, SbotStatus};

use crate::templates;

// TODO: flash message implementation for rouille

/// Read the status and configuration of the sbot.
/// Define fallback values if an error is returned from either read function.
fn read_status_and_config() -> (String, SbotConfig, String, String) {
    // retrieve go-sbot systemd process status
    let run_on_startup = if let Ok(status) = SbotStatus::read() {
        // if the read is ok, return the value or "disabled" if no value is set
        match status.boot_state {
            Some(state) => state,
            None => "disabled".to_string(),
        }
    } else {
        // if the read returns an error, set the value to "disabled"
        "disabled".to_string()
    };

    // retrieve sbot config parameters
    let sbot_config = match SbotConfig::read() {
        Ok(config) => config,
        // build default config if an error is returned from the read attempt
        Err(_) => SbotConfig::default(),
    };

    // split the listen address into ip and port
    let (ip, port) = match sbot_config.lis.find(':') {
        Some(index) => {
            let (ip, port) = sbot_config.lis.split_at(index);
            (ip.to_string(), port.to_string())
        }
        // if no ':' separator is found, assume an ip has been configured (without port)
        None => (sbot_config.lis.to_string(), String::new()),
    };

    (run_on_startup, sbot_config, ip, port)
}

/// Scuttlebutt settings menu template builder.
pub fn build_template() -> PreEscaped<String> {
    let (run_on_startup, sbot_config, ip, port) = read_status_and_config();

    let menu_template = html! {
        (PreEscaped("<!-- SBOT CONFIGURATION FORM -->"))
        div class="card center" {
            form id="sbotConfig" class="center" action="/settings/scuttlebutt/configure" method="post" {
                div class="center" style="display: flex; flex-direction: column; margin-bottom: 2rem;" title="Number of hops to replicate" {
                    label for="hops" class="label-small font-gray" { "HOPS" }
                    div id="hops" style="display: flex; justify-content: space-evenly;" {
                        div {
                            @if sbot_config.hops == 0 {
                                input type="radio" id="hops_0" name="hops" value="0" checked;
                            } @else {
                                input type="radio" id="hops_0" name="hops" value="0";
                            }
                            label class="font-normal" for="hops_0" { "0" }
                        }
                        div {
                            @if sbot_config.hops == 1 {
                                input type="radio" id="hops_1" name="hops" value="1" checked;
                            } @else {
                                input type="radio" id="hops_1" name="hops" value="1";
                            }
                            label class="font-normal" for="hops_1" { "1" }
                        }
                        div {
                            @if sbot_config.hops == 2 {
                                input type="radio" id="hops_2" name="hops" value="2" checked;
                            } @else {
                                input type="radio" id="hops_2" name="hops" value="2";
                            }
                            label class="font-normal" for="hops_2" { "2" }
                        }
                        div {
                            @if sbot_config.hops == 3 {
                                input type="radio" id="hops_3" name="hops" value="3" checked;
                            } @else {
                                input type="radio" id="hops_3" name="hops" value="3";
                            }
                            label class="font-normal" for="hops_3" { "3" }
                        }
                        div {
                            @if sbot_config.hops == 4 {
                                input type="radio" id="hops_4" name="hops" value="4" checked;
                            } @else {
                                input type="radio" id="hops_4" name="hops" value="4";
                            }
                            label class="font-normal" for="hops_4" { "4" }
                        }
                    }
                }
                div class="center" style="display: flex; justify-content: space-between;" {
                    div style="display: flex; flex-direction: column; width: 60%; margin-bottom: 2rem;" title="IP address on which the sbot runs" {
                        label for="ip" class="label-small font-gray" { "IP ADDRESS" }
                        input type="text" id="ip" name="lis_ip" value=(ip);
                    }
                    div style="display: flex; flex-direction: column; width: 20%; margin-bottom: 2rem;" title="Port on which the sbot runs" {
                        label for="port" class="label-small font-gray" { "PORT" }
                        input type="text" id="port" name="lis_port" value=(port);
                    }
                }
                div class="center" style="display: flex; flex-direction: column; margin-bottom: 2rem;" title="Network key (aka 'caps key') to define the Scuttleverse in which the sbot operates in" {
                    label for="network_key" class="label-small font-gray" { "NETWORK KEY" }
                    input type="text" id="network_key" name="shscap" value=(sbot_config.shscap);
                }
                div class="center" style="display: flex; flex-direction: column; margin-bottom: 2rem;" title="Directory in which the sbot database is saved" {
                    label for="database_dir" class="label-small font-gray" { "DATABASE DIRECTORY" }
                    input type="text" id="database_dir" name="repo" value=(sbot_config.repo);
                }
                div class="center" {
                    @if sbot_config.localadv {
                        input type="checkbox" id="lanBroadcast" style="margin-bottom: 1rem;" name="localadv" checked;
                    } @else {
                        input type="checkbox" id="lanBroadcast" style="margin-bottom: 1rem;" name="localadv";
                    }
                    label class="font-normal" for="lanBroadcast" title="Broadcast the IP and port of this sbot instance so that local peers can discovery it and attempt to connect" {
                        "Enable LAN Broadcasting"
                    }
                    br;
                    @if sbot_config.localdiscov {
                        input type="checkbox" id="lanDiscovery" style="margin-bottom: 1rem;" name="localdiscov" checked;
                    } @else {
                        input type="checkbox" id="lanDiscovery" style="margin-bottom: 1rem;" name="localdiscov";
                    }
                    label class="font-normal" for="lanDiscovery" title="Listen for the presence of local peers and attempt to connect if found" { "Enable LAN Discovery" }
                    br;
                    @if run_on_startup == "enabled" {
                        input type="checkbox" id="startup" style="margin-bottom: 1rem;" name="startup" checked;
                    } @else {
                        input type="checkbox" id="startup" style="margin-bottom: 1rem;" name="startup";
                    }
                    label class="font-normal" for="startup" title="Run the pub automatically on system startup" { "Run pub when computer starts" }
                    br;
                    @if sbot_config.repair {
                        input type="checkbox" id="repair" name="repair" checked;
                    } @else {
                        input type="checkbox" id="repair" name="repair";
                    }
                    label class="font-normal" for="repair" title="Attempt to repair the filesystem when starting the pub" { "Attempt filesystem repair when pub starts" }
                }
                (PreEscaped("<!-- hidden input elements for all other config variables -->"))
                input type="hidden" id="debugdir" name="debugdir" value=(sbot_config.debugdir);
                input type="hidden" id="hmac" name="hmac" value=(sbot_config.hmac);
                input type="hidden" id="wslis" name="wslis" value=(sbot_config.wslis);
                input type="hidden" id="debuglis" name="debuglis" value=(sbot_config.debuglis);
                input type="hidden" id="enable_ebt" name="enable_ebt" value=(sbot_config.enable_ebt);
                input type="hidden" id="promisc" name="promisc" value=(sbot_config.promisc);
                input type="hidden" id="nounixsock" name="nounixsock" value=(sbot_config.nounixsock);
                (PreEscaped("<!-- BUTTONS -->"))
                input id="saveConfig" class="button button-primary center" style="margin-top: 2rem;" type="submit" title="Save configuration parameters to file" value="Save";
                input id="saveRestartConfig" class="button button-primary center" type="submit" title="Save configuration parameters to file and then (re)start the pub" value="Save & Restart" formaction="/settings/scuttlebutt/configure?restart=true";
                a id="restoreDefaults" class="button button-warning center" href="/settings/scuttlebutt/configure/default" title="Restore default configuration parameters and save them to file" { "Restore Defaults" }
            }
            (PreEscaped("<!-- FLASH MESSAGE -->"))
            // TODO: flash message
        }
    };

    // wrap the nav bars around the settings menu template content
    // parameters are template, title and back url
    let body =
        templates::nav::build_template(menu_template, "Scuttlebutt Settings", Some("/settings"));

    // render the base template with the provided body
    templates::base::build_template(body)
}