include!(concat!(env!("OUT_DIR"), "/codegen.rs"));

use crate::args::Commands;
use args::{AssetsCommands, PeopleCommands, ServerCommands};
use clap::Parser;
use color_eyre::eyre::{Result, WrapErr};
use color_eyre::Section;
use commands::delete_assets::delete_assets;
use commands::list_assets::list_assets;
use commands::missing_date_of_birth::missing_date_of_birth;
use commands::server_features::server_features;
use commands::server_version::server_version;
use commands::sync_date_of_birth::sync_date_of_birth;
use config::Config;
use context::Context;
use directories::ProjectDirs;
use figment::providers::{Env, Format, Serialized, Toml};
use figment::Figment;
use figment_file_provider_adapter::FileAdapter;
use log::*;
use reqwest::header;

mod args;
mod commands;
mod config;
mod context;
mod utils;

#[tokio::main]
async fn main() -> Result<()> {
    color_eyre::install()?;
    pretty_env_logger::init();

    let mut conf_extractor = Figment::new();
    if let Some(project_dirs) = ProjectDirs::from("fr", "enoent", "Immich Tools") {
        let config_file_path = project_dirs.config_dir().join("config.toml");
        if config_file_path.exists() {
            debug!("Reading configuration from {:?}", config_file_path);
            conf_extractor =
                conf_extractor.merge(FileAdapter::wrap(Toml::file_exact(config_file_path)));
        }
    } else {
        warn!("Unable to determine configuration file path");
    }

    let args = args::Opts::parse();

    let conf: Config = conf_extractor
        .merge(FileAdapter::wrap(Env::prefixed("IMMICH_TOOLS_")))
        .merge(Serialized::defaults(&args))
        .extract()
        .wrap_err_with(|| "Invalid configuration or insufficient command line arguments")?;

    let client = get_client(&conf.server_url, &conf.api_key)?;

    let ctx = Context::builder()
        .client(client)
        .dry_run(args.dry_run)
        .no_confirm(args.no_confirm)
        .build();

    validate_client_connection(&ctx.client).await?;

    match &args.command {
        Commands::Assets { assets_command } => match assets_command {
            AssetsCommands::Delete { offline } => delete_assets(ctx, *offline).await,
            AssetsCommands::List { offline } => list_assets(ctx, *offline).await,
        },
        Commands::People { people_command } => match people_command {
            PeopleCommands::MissingDateOfBirths {} => missing_date_of_birth(ctx).await,
            PeopleCommands::SyncDateOfBirths { vcard: _ } => {
                sync_date_of_birth(ctx, &conf.people.sync_date_of_births.vcard).await
            }
        },
        Commands::Server { server_command } => match server_command {
            ServerCommands::Features {} => server_features(ctx).await,
            ServerCommands::Version {} => server_version(ctx).await,
        },
    }
}

fn get_client(url: &str, api_key: &str) -> Result<Client> {
    let mut headers = header::HeaderMap::new();

    let mut auth_value = header::HeaderValue::from_str(api_key)?;
    auth_value.set_sensitive(true);
    headers.insert("x-api-key", auth_value);

    Ok(Client::new_with_client(
        url,
        reqwest::Client::builder()
            .default_headers(headers)
            .build()
            .unwrap(),
    ))
}

async fn validate_client_connection(client: &Client) -> Result<()> {
    client
        .validate_access_token()
        .await
        .wrap_err_with(|| "Unable to connect to Immich")
        .with_suggestion(|| "The API key might be invalid")
        .with_suggestion(|| "There server URL might be invalid, it should likely end in /api")
        .with_note(|| format!("The provided server URL was {}", client.baseurl()))
        .with_note(|| {
            format!(
                "The API version for this client is {}, make sure the server version is compatible",
                client.api_version()
            )
        })?;

    Ok(())
}