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mod cli;
mod commands;
mod config_handler;
mod content_processor;
mod debug_print;

use relative_path::RelativePath;
use std::fs;

use config_handler::Config;
use debug_print::*;

fn main() {
    let matches = cli::cli_builder().get_matches();
    verbose_set(matches.is_present("verbose"));
    let root_dir = matches.value_of("root");

    match matches.subcommand() {
        Some(("init", _)) => commands::init(root_dir.unwrap()),
        Some(("build", _)) => {
            // parse config
            let config = if let Ok(config) = fs::read_to_string(
                RelativePath::new("./config.toml").to_logical_path(&root_dir.unwrap()),
            ) {
                config
            } else {
                eprintln!("Failed reading config.toml");
                return;
            };

            let config_toml: Config =
                toml::from_str(config.as_str()).expect("invalid syntax in config.toml");
            match config_toml.hl_theme.as_str() {
                "base16-ocean.dark"
                | "base16-eighties.dark"
                | "base16-mocha.dark"
                | "base16-ocean.light"
                | "InspiredGitHub"
                | "Solarized (dark)"
                | "Solarized (light)" => (),
                _ => {
                    eprintln!(
                        "Invalid syntax highlighting theme supplied - allowed values: {}",
                        r#"base16-ocean.dark" | "base16-eighties.dark" | "base16-mocha.dark" | "base16-ocean.light" | "InspiredGitHub" | "Solarized (dark)" | "Solarized (light)")"#
                    );
                    return;
                }
            }
            Config::global_init(config_toml);

            commands::build(
                root_dir.unwrap(),
                matches.subcommand_matches("build").unwrap().is_present("drafts"),
                &RelativePath::new(
                    matches.subcommand_matches("build").unwrap().value_of("output").unwrap(),
                )
                .to_logical_path(root_dir.unwrap())
                .to_string_lossy()
                .to_string(),
            )
        }
        _ => unreachable!(),
    }
}