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use crate::common::startup::get_available_port;
use assert_fs::{fixture::PathChild, TempDir};
use std::{
    net::SocketAddr,
    path::{Path, PathBuf},
};
use vit_servicing_station_lib::server::settings::{
    dump_settings_to_file, load_settings_from_file, Cors, LogLevel, ServiceSettings,
};

#[derive(Default)]
pub struct ServerSettingsBuilder {
    settings: ServiceSettings,
    cors: Option<Cors>,
}

impl ServerSettingsBuilder {
    pub fn with_random_localhost_address(&mut self) -> &mut Self {
        self.with_localhost_address(get_available_port());
        self
    }

    pub fn with_localhost_address(&mut self, port: u32) -> &mut Self {
        self.settings.address = Self::format_localhost_address(port);
        self
    }

    fn format_localhost_address(port: u32) -> SocketAddr {
        format!("127.0.0.1:{}", port).parse().unwrap()
    }

    pub fn with_db_path<S: Into<String>>(&mut self, db_url: S) -> &mut Self {
        self.settings.db_url = db_url.into();
        self
    }

    pub fn with_block0_path<S: Into<String>>(&mut self, block0_path: S) -> &mut Self {
        self.settings.block0_path = Some(block0_path.into());
        self
    }

    pub fn with_block0_folder_path(&mut self, block0_folder_path: impl AsRef<Path>) -> &mut Self {
        self.settings.block0_paths = Some(block0_folder_path.as_ref().to_path_buf());
        self
    }

    pub fn with_cors(&mut self, cors: Cors) -> &mut Self {
        self.cors = Some(cors);
        self
    }

    pub fn with_api_tokens(&mut self, enabled: bool) -> &mut Self {
        self.settings.enable_api_tokens = enabled;
        self
    }

    pub fn with_log_output_path(&mut self, path: PathBuf) -> &mut Self {
        self.settings.log.log_output_path = Some(path);
        self
    }

    pub fn with_log_level(&mut self, log_level: LogLevel) -> &mut Self {
        self.settings.log.log_level = Some(log_level);
        self
    }

    pub fn build(&self) -> ServiceSettings {
        self.settings.clone()
    }
}

///todo: add error mapping
pub fn dump_settings(temp_dir: &TempDir, settings: &ServiceSettings) -> PathBuf {
    let child_path = temp_dir.child("settings.json");
    dump_settings_to_file(child_path.path().to_str().unwrap(), settings).unwrap();
    child_path.path().into()
}

///todo: add error mapping
pub fn load_settings<P: AsRef<Path>>(path: P) -> ServiceSettings {
    load_settings_from_file(path.as_ref().to_str().unwrap()).unwrap()
}