// Copyright 2016 Mozilla
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use
// this file except in compliance with the License. You may obtain a copy of the
// License at http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.

extern crate edn;
extern crate combine;
extern crate mentat_tx;
extern crate mentat_tx_parser;

use edn::parse;
use edn::symbols::NamespacedKeyword;
use mentat_tx::entities::{
    AtomOrLookupRefOrVectorOrMapNotation,
    Entid,
    EntidOrLookupRefOrTempId,
    Entity,
    OpType,
    TempId,
};
use mentat_tx_parser::Tx;

#[test]
fn test_entities() {
    let input = r#"
[[:db/add 101 :test/a "v"]
 [:db/add "tempid" :test/a "v"]
 [:db/retract 102 :test/b "w"]]"#;

    let edn = parse::value(input).expect("to parse test input");

    let result = Tx::parse(edn);
    assert_eq!(result.unwrap(),
               vec![
                   Entity::AddOrRetract {
                       op: OpType::Add,
                       e: EntidOrLookupRefOrTempId::Entid(Entid::Entid(101)),
                       a: Entid::Ident(NamespacedKeyword::new("test", "a")),
                       v: AtomOrLookupRefOrVectorOrMapNotation::Atom(edn::ValueAndSpan::new(edn::SpannedValue::Text("v".into()), edn::Span(23, 26))),
                   },
                   Entity::AddOrRetract {
                       op: OpType::Add,
                       e: EntidOrLookupRefOrTempId::TempId(TempId::External("tempid".into())),
                       a: Entid::Ident(NamespacedKeyword::new("test", "a")),
                       v: AtomOrLookupRefOrVectorOrMapNotation::Atom(edn::ValueAndSpan::new(edn::SpannedValue::Text("v".into()), edn::Span(55, 58))),
                   },
                   Entity::AddOrRetract {
                       op: OpType::Retract,
                       e: EntidOrLookupRefOrTempId::Entid(Entid::Entid(102)),
                       a: Entid::Ident(NamespacedKeyword::new("test", "b")),
                       v: AtomOrLookupRefOrVectorOrMapNotation::Atom(edn::ValueAndSpan::new(edn::SpannedValue::Text("w".into()), edn::Span(86, 89))),
                   },
               ]);
}

// TODO: test error handling in select cases.