mod support;

use morethantext::{CalcValue, Calculation, Field, FieldType, MoreThanText, Operand, Query};
use std::collections::HashSet;
use support::TestDocument;

const COUNT: usize = 5;

fn setup_range() -> (MoreThanText, TestDocument) {
    let mut mtt = MoreThanText::new();
    let test_doc = TestDocument::new(vec![FieldType::Integer]);
    mtt.create_document(test_doc.get_docdef()).unwrap();
    let mut data: Vec<Vec<i128>> = Vec::new();
    for i in 0..COUNT {
        let holder: i128 = i.try_into().unwrap();
        data.push(vec![holder]);
    }
    test_doc.populate_multiple(&mut mtt, data);
    (mtt, test_doc)
}

#[test]
fn does_empty_query_get_all_documents() {
    let (mut mtt, test_doc) = setup_range();
    let mut query = Query::new(test_doc.get_doc_name());
    let result = mtt.records(query).unwrap();
    assert_eq!(result.len(), 5, "got {:?}", result);
    let mut holder: HashSet<Field> = HashSet::new();
    for rec in result.iter() {
        holder.insert(rec.get(test_doc.get_field_name(0)).unwrap());
    }
    assert_eq!(holder.len(), COUNT, "got {:?}", holder);
    for i in 0..COUNT {
        let data: i128 = i.try_into().unwrap();
        holder.remove(&data.into());
    }
    assert_eq!(holder.len(), 0, "got {:?}", holder);
}

#[test]
fn does_query_pull_specific_information() {
    let (mut mtt, test_doc) = setup_range();
    let expected = 3;
    let mut calc = Calculation::new(Operand::Equal);
    calc.add_value(expected.clone()).unwrap();
    calc.add_value(CalcValue::Existing(FieldType::Integer))
        .unwrap();
    let mut query = Query::new(test_doc.get_doc_name());
    query.add(test_doc.get_field_name(0), calc);
    let result = mtt.records(query).unwrap();
    assert_eq!(result.len(), 1);
    let rec = result.iter().last().unwrap();
    assert_eq!(
        rec.get(test_doc.get_field_name(0)).unwrap(),
        expected.into()
    );
}

#[test]
fn does_query_work_with_less_than() {
    let (mut mtt, test_doc) = setup_range();
    let expected = 2;
    let mut calc = Calculation::new(Operand::LessThan);
    calc.add_value(expected.clone()).unwrap();
    calc.add_value(CalcValue::Existing(FieldType::Integer))
        .unwrap();
    let mut query = Query::new(test_doc.get_doc_name());
    query.add(test_doc.get_field_name(0), calc);
    let result = mtt.records(query).unwrap();
    assert_eq!(result.len(), 2, "got {:?}", result);
    let mut holder: HashSet<Field> = HashSet::new();
    for rec in result.iter() {
        holder.insert(rec.get(test_doc.get_field_name(0)).unwrap());
    }
    assert_eq!(holder.len(), 2, "got {:?}", holder);
    for i in 3..COUNT {
        let data: i128 = i.try_into().unwrap();
        holder.remove(&data.into());
    }
    assert_eq!(holder.len(), 0, "got {:?}", holder);
}

#[test]
fn does_query_work_with_less_than_equal() {
    let (mut mtt, test_doc) = setup_range();
    let expected = 2;
    let mut calc = Calculation::new(Operand::LessThanEqual);
    calc.add_value(expected.clone()).unwrap();
    calc.add_value(CalcValue::Existing(FieldType::Integer))
        .unwrap();
    let mut query = Query::new(test_doc.get_doc_name());
    query.add(test_doc.get_field_name(0), calc);
    let result = mtt.records(query).unwrap();
    assert_eq!(result.len(), 3, "got {:?}", result);
    let mut holder: HashSet<Field> = HashSet::new();
    for rec in result.iter() {
        holder.insert(rec.get(test_doc.get_field_name(0)).unwrap());
    }
    assert_eq!(holder.len(), 3, "got {:?}", holder);
    for i in 2..COUNT {
        let data: i128 = i.try_into().unwrap();
        holder.remove(&data.into());
    }
    assert_eq!(holder.len(), 0, "got {:?}", holder);
}

#[test]
fn does_query_work_with_greater_than() {
    let (mut mtt, test_doc) = setup_range();
    let expected = 2;
    let mut calc = Calculation::new(Operand::GreaterThan);
    calc.add_value(expected.clone()).unwrap();
    calc.add_value(CalcValue::Existing(FieldType::Integer))
        .unwrap();
    let mut query = Query::new(test_doc.get_doc_name());
    query.add(test_doc.get_field_name(0), calc);
    let result = mtt.records(query).unwrap();
    assert_eq!(result.len(), 2, "got {:?}", result);
    let mut holder: HashSet<Field> = HashSet::new();
    for rec in result.iter() {
        holder.insert(rec.get(test_doc.get_field_name(0)).unwrap());
    }
    assert_eq!(holder.len(), 2, "got {:?}", holder);
    for i in 0..2 {
        holder.remove(&i.into());
    }
    assert_eq!(holder.len(), 0, "got {:?}", holder);
}

#[test]
fn does_query_work_with_greater_than_equal() {
    let (mut mtt, test_doc) = setup_range();
    let expected = 2;
    let mut calc = Calculation::new(Operand::GreaterThanEqual);
    calc.add_value(expected.clone()).unwrap();
    calc.add_value(CalcValue::Existing(FieldType::Integer))
        .unwrap();
    let mut query = Query::new(test_doc.get_doc_name());
    query.add(test_doc.get_field_name(0), calc);
    let result = mtt.records(query).unwrap();
    assert_eq!(result.len(), 3, "got {:?}", result);
    let mut holder: HashSet<Field> = HashSet::new();
    for rec in result.iter() {
        holder.insert(rec.get(test_doc.get_field_name(0)).unwrap());
    }
    assert_eq!(holder.len(), 3, "got {:?}", holder);
    for i in 0..3 {
        holder.remove(&i.into());
    }
    assert_eq!(holder.len(), 0, "got {:?}", holder);
}