#![expect(
  clippy::multiple_crate_versions,
  reason = "transitive dependency version conflicts from upstream crates"
)]
#![expect(
  clippy::cargo_common_metadata,
  reason = "license and repository not yet configured"
)]

mod cli;
mod error;
mod export;
mod fetch;
mod git;
mod http;
mod ipc;
mod model;
mod platform;
mod rate_limiter;
mod resolver;
mod ui_utils;
mod utils;

use std::{env, path::PathBuf};

use clap::Parser;
use cli::{Cli, Commands};
use error::PakkerError;

/// Search for pakker-lock.json in current directory and parent directories
/// Returns the directory containing pakker-lock.json, or None if not found
fn find_working_directory() -> Option<PathBuf> {
  let mut current_dir = env::current_dir().ok()?;

  loop {
    let lockfile = current_dir.join("pakker-lock.json");
    if lockfile.exists() {
      return Some(current_dir);
    }

    // Try parent directory
    if !current_dir.pop() {
      // Reached filesystem root
      return None;
    }
  }
}

#[tokio::main]
async fn main() -> Result<(), PakkerError> {
  let cli = Cli::parse();

  // Initialize logging based on verbosity level
  let log_level = match cli.verbose {
    0 => "warn",  // Default: only warnings and errors
    1 => "info",  // -v: info level
    2 => "debug", // -vv: debug level
    _ => "trace", // -vvv+: trace level (most verbose)
  };

  env_logger::Builder::from_env(
    env_logger::Env::default().default_filter_or(log_level),
  )
  .format_timestamp(None)
  .format_module_path(false)
  .init();

  // Search for pakker-lock.json in current directory and parent directories
  let working_dir =
    find_working_directory().unwrap_or_else(|| PathBuf::from("."));
  let lockfile_path = working_dir.join("pakker-lock.json");
  let config_path = working_dir.join("pakker.json");

  let global_yes = cli.yes;

  match cli.command {
    Commands::Init(args) => {
      cli::commands::init::execute(
        args,
        global_yes,
        &lockfile_path,
        &config_path,
      )
    },
    Commands::Import(args) => {
      cli::commands::import::execute(
        args,
        global_yes,
        &lockfile_path,
        &config_path,
      )
      .await
    },
    Commands::Add(args) => {
      cli::commands::add::execute(
        args,
        global_yes,
        &lockfile_path,
        &config_path,
      )
      .await
    },
    Commands::AddPrj(args) => {
      cli::commands::add_prj::execute(
        args.curseforge,
        args.modrinth,
        args.github,
        args.project_type,
        args.side,
        args.strategy,
        args.redistributable,
        args.subpath,
        args.aliases,
        args.export,
        args.no_deps,
        global_yes,
        &lockfile_path,
        &config_path,
      )
      .await
    },
    Commands::Rm(args) => {
      cli::commands::rm::execute(
        &args,
        global_yes,
        &lockfile_path,
        &config_path,
      )
    },
    Commands::Update(args) => {
      cli::commands::update::execute(
        args,
        global_yes,
        &lockfile_path,
        &config_path,
      )
      .await
    },
    Commands::Ls(args) => cli::commands::ls::execute(&args, &lockfile_path),
    Commands::Set(args) => {
      cli::commands::set::execute(&args, &lockfile_path, &config_path)
    },
    Commands::Link(args) => cli::commands::link::execute(&args, &lockfile_path),
    Commands::Unlink(args) => {
      cli::commands::unlink::execute(&args, &lockfile_path)
    },
    Commands::Diff(args) => cli::commands::diff::execute(&args, &lockfile_path),
    Commands::Fetch(args) => {
      cli::commands::fetch::execute(args, &lockfile_path, &config_path).await
    },
    Commands::Sync(args) => {
      cli::commands::sync::execute(
        args,
        global_yes,
        &lockfile_path,
        &config_path,
      )
      .await
    },
    Commands::Export(args) => {
      cli::commands::export::execute(args, &lockfile_path, &config_path).await
    },
    Commands::Remote(args) => cli::commands::remote::execute(args).await,
    Commands::RemoteUpdate(args) => {
      cli::commands::remote_update::execute(&args)
    },
    Commands::Status(args) => {
      cli::commands::status::execute(
        args.parallel,
        global_yes,
        &lockfile_path,
        &config_path,
      )
      .await
    },
    Commands::Inspect(args) => {
      cli::commands::inspect::execute(
        &args.projects,
        &lockfile_path,
        &config_path,
      )
    },
    Commands::Credentials(args) => {
      match args.subcommand {
        Some(cli::CredentialsSubcommand::Set(set_args)) => {
          cli::commands::credentials_set::execute(
            set_args.cf_api_key,
            set_args.modrinth_token,
            set_args.gh_access_token,
          )
        },
        None => {
          cli::commands::credentials::execute(
            args.delete,
            args.delete_file,
            args.delete_keyring,
          )
        },
      }
    },
    Commands::Cfg(args) => {
      match args.subcommand {
        Some(cli::CfgSubcommand::Prj(prj_args)) => {
          cli::commands::cfg_prj::execute(
            &config_path,
            &lockfile_path,
            &prj_args.project,
            prj_args.r#type.as_deref(),
            prj_args.side.as_deref(),
            prj_args.update_strategy.as_deref(),
            prj_args.redistributable,
            prj_args.subpath,
            prj_args.add_alias,
            prj_args.remove_alias,
            prj_args.export,
          )
        },
        None => {
          cli::commands::cfg::execute(
            &config_path,
            args.name,
            args.version,
            args.description,
            args.author,
            args.mods_path,
            args.resource_packs_path,
            args.data_packs_path,
            args.worlds_path,
            args.shaders_path,
          )
        },
      }
    },
    Commands::Fork(args) => {
      cli::commands::fork::execute(&args)?;
      Ok(())
    },
  }
}