use lazy_static::lazy_static;
use scraper::{Html, Selector};

use crate::entry::Entry;
use crate::html::SelectExt;
use crate::probe::Probe;

lazy_static! {
    static ref MESSAGE: Selector = Selector::parse(".CompanyResultListItem h3.name > a").unwrap();
    static ref HISTORY_1: Selector =
        Selector::parse("div.PhoneNoHit div.search-info-container p").unwrap();
    static ref HISTORY_2: Selector =
        Selector::parse("div.feedback-types div.feedback-type-item").unwrap();
}

fn from_html(document: &str) -> Result<Entry, ()> {
    let html = Html::parse_document(document);

    let mut messages = Vec::new();
    let mut history = Vec::new();
    let comments = Vec::new();

    if let Some(message) = html
        .select(&MESSAGE)
        .next()
        .map(|element| element.easy_text())
    {
        messages.push(message);
    }

    if let Some(message) = html
        .select(&HISTORY_1)
        .next()
        .map(|element| element.easy_text())
    {
        history.push(message);
    }

    for message in html.select(&HISTORY_2).map(|element| element.easy_text()) {
        history.push(message);
    }

    Ok(Entry {
        messages,
        history,
        comments,
    })
}

pub struct Eniro;

impl Probe for Eniro {
    fn provider(&self) -> &'static str {
        "eniro.se"
    }

    fn uri(&self, number: &str) -> String {
        format!("https://gulasidorna.eniro.se/hitta:{}", number)
    }

    fn fetch(&self, number: &str) -> Result<String, ()> {
        reqwest::get(&self.uri(number))
            .map_err(|_| ())?
            .text()
            .map_err(|_| ())
    }

    fn parse(&self, data: &str) -> Result<Entry, ()> {
        from_html(&data)
    }
}

#[cfg(test)]
mod tests {
    use insta::assert_yaml_snapshot_matches;

    use super::*;

    #[test]
    fn test_0104754350() {
        let document = include_str!("../../fixtures/eniro/0104754350.html");

        assert_yaml_snapshot_matches!(from_html(&document), @r###"Ok:
  messages:
    - Företaget bedriver telefonförsäljning eller marknadsundersökningar
  history: []
  comments: []"###);
    }

    #[test]
    fn test_0313908905() {
        let document = include_str!("../../fixtures/eniro/0313908905.html");

        assert_yaml_snapshot_matches!(from_html(&document), @r###"Ok:
  messages: []
  history:
    - 3464 denna vecka och 6637 totalt.
    - 76 Försäljning
    - 47 Oseriös verksamhet
    - 37 Annat
  comments: []"###);
    }

    #[test]
    fn test_0702269893() {
        let document = include_str!("../../fixtures/eniro/0702269893.html");

        assert_yaml_snapshot_matches!(from_html(&document), @r###"Ok:
  messages:
    - Anonym Kund För Refill
  history: []
  comments: []"###);
    }

    #[test]
    fn test_0726443387() {
        let document = include_str!("../../fixtures/eniro/0726443387.html");

        assert_yaml_snapshot_matches!(from_html(&document), @r###"Ok:
  messages: []
  history:
    - 16 denna vecka och 98 totalt.
  comments: []"###);
    }

    #[test]
    fn test_0751793426() {
        let document = include_str!("../../fixtures/eniro/0751793426.html");

        assert_yaml_snapshot_matches!(from_html(&document), @r###"Ok:
  messages: []
  history:
    - 20 denna vecka och 602 totalt.
    - 11 Försäljning
    - 9 Annat
    - 7 Oseriös verksamhet
  comments: []"###);
    }

    #[test]
    fn test_0751793483() {
        let document = include_str!("../../fixtures/eniro/0751793483.html");

        assert_yaml_snapshot_matches!(from_html(&document), @r###"Ok:
  messages: []
  history:
    - 29 denna vecka och 900 totalt.
    - 5 Annat
    - 4 Oseriös verksamhet
    - 3 Marknadsföring
  comments: []"###);
    }

    #[test]
    fn test_0751793499() {
        let document = include_str!("../../fixtures/eniro/0751793499.html");

        assert_yaml_snapshot_matches!(from_html(&document), @r###"Ok:
  messages: []
  history:
    - 303 denna vecka och 304 totalt.
  comments: []"###);
    }

    #[test]
    fn test_0701807618() {
        let document = include_str!("../../fixtures/eniro/0701807618.html");

        assert_yaml_snapshot_matches!(from_html(&document), @r###"Ok:
  messages: []
  history:
    - 0 denna vecka och 1 totalt.
  comments: []"###);
    }

    #[test]
    fn test_0546780862() {
        let document = include_str!("../../fixtures/eniro/0546780862.html");

        assert_yaml_snapshot_matches!(from_html(&document), @r###"Ok:
  messages:
    - Nya Wermlands-Tidningens AB
  history: []
  comments: []"###);
    }
}