use libimagdiary::diary::Diary;
use libimagdiary::error::DiaryErrorKind as DEK;
use libimagdiary::error::MapErrInto;
use libimagentrylist::listers::core::CoreLister;
use libimagentrylist::lister::Lister;
use libimagrt::runtime::Runtime;
use libimagstore::store::Entry;
use libimagutil::warn_exit::warn_exit;
use libimagerror::trace::MapErrTrace;
use libimagutil::debug_result::*;

use util::get_diary_name;

pub fn list(rt: &Runtime) {
    let diaryname = get_diary_name(rt)
        .unwrap_or_else(|| warn_exit("No diary selected. Use either the configuration file or the commandline option", 1));

    fn entry_to_location_listing_string(e: &Entry) -> String {
        e.get_location().clone()
            .without_base()
            .to_str()
            .map_err_trace()
            .unwrap_or(String::from("<<Path Parsing Error>>"))
    }

    let diary = Diary::open(rt.store(), &diaryname[..]);
    debug!("Diary opened: {:?}", diary);
    diary.entries()
        .and_then(|es| {
            debug!("Iterator for listing: {:?}", es);

            let es = es
                .filter_map(|a| a.map_dbg(|e| format!("Filtering: {:?}", e)).ok())
                .map(|e| e.into());

            CoreLister::new(&entry_to_location_listing_string)
                .list(es) // TODO: Do not ignore non-ok()s
                .map_err_into(DEK::IOError)
        })
        .map_dbg_str("Ok")
        .map_err_trace()
        .ok();
}