#[macro_use]
extern crate sailfish_macros;

use integration_tests::assert_string_eq;
use sailfish::runtime::RenderResult;
use sailfish::TemplateOnce;
use std::path::PathBuf;

fn assert_render_result(name: &str, result: RenderResult) {
    let mut output_file = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
    output_file.push("templates");
    output_file.push(name);
    output_file.set_extension("out");

    let mut expected = std::fs::read_to_string(output_file).unwrap();
    if expected.ends_with('\n') {
        expected.truncate(expected.len() - 1);
        if expected.ends_with('\r') {
            expected.truncate(expected.len() - 1);
        }
    }
    assert_string_eq!(&*result.unwrap(), &*expected);
}

#[inline]
fn assert_render<T: TemplateOnce>(name: &str, template: T) {
    assert_render_result(name, template.render_once());
}

#[derive(TemplateOnce)]
#[template(path = "empty.stpl")]
struct Empty {}

#[test]
fn empty() {
    assert_render("empty", Empty {});
}

#[derive(TemplateOnce)]
#[template(path = "noescape.stpl")]
struct Noescape<'a> {
    raw: &'a str,
}

#[test]
fn noescape() {
    assert_render(
        "noescape",
        Noescape {
            raw: "<h1>Hello, World!</h1>",
        },
    );
}

#[derive(TemplateOnce)]
#[template(path = "json.stpl")]
struct Json {
    name: String,
    value: u16,
}

#[test]
fn json() {
    assert_render(
        "json",
        Json {
            name: String::from("Taro"),
            value: 16,
        },
    );
}

#[derive(TemplateOnce)]
#[template(path = "custom_delimiter.stpl")]
#[template(delimiter = '🍣')]
struct CustomDelimiter;

#[test]
fn custom_delimiter() {
    assert_render("custom_delimiter", CustomDelimiter);
}

#[derive(TemplateOnce)]
#[template(path = "include.stpl")]
struct Include<'a> {
    strs: &'a [&'a str],
}

#[test]
fn test_include() {
    assert_render(
        "include",
        Include {
            strs: &["foo", "bar"],
        },
    );
}

#[derive(TemplateOnce)]
#[template(path = "big-table.stpl")]
struct BigTable {
    table: Vec<Vec<usize>>,
}

#[test]
fn test_big_table() {
    let table = (0..10).map(|_| (0..10).collect()).collect();
    assert_render("big-table", BigTable { table });
}

#[derive(TemplateOnce)]
#[template(path = "teams.stpl")]
struct Teams {
    year: u16,
    teams: Vec<Team>,
}

struct Team {
    name: String,
    score: u8,
}

#[test]
fn test_teams() {
    let teams = Teams {
        year: 2015,
        teams: vec![
            Team {
                name: "Jiangsu".into(),

                score: 43,
            },
            Team {
                name: "Beijing".into(),
                score: 27,
            },
            Team {
                name: "Guangzhou".into(),
                score: 22,
            },
            Team {
                name: "Shandong".into(),
                score: 12,
            },
        ],
    };
    assert_render("teams", teams);
}

#[derive(TemplateOnce)]
#[template(path = "rm_whitespace.stpl")]
#[template(rm_whitespace = true)]
struct RmWhitespace<'a, 'b> {
    messages: &'a [&'b str],
}

#[test]
fn test_rm_whitespace() {
    assert_render(
        "rm_whitespace",
        RmWhitespace {
            messages: &["foo", "bar"],
        },
    );
}

#[derive(TemplateOnce)]
#[template(path = "comment.stpl")]
struct Comment {}

#[test]
fn test_comment() {
    assert_render("comment", Comment{})
}

#[derive(TemplateOnce)]
#[template(path = "rust_macro.stpl", rm_whitespace = true)]
struct RustMacro {
    value: Option<i32>,
}

#[test]
fn test_rust_macro() {
    assert_render("rust_macro", RustMacro { value: Some(10) });
}

#[cfg(unix)]
mod unix {
    use super::*;

    #[derive(TemplateOnce)]
    #[template(path = "include-nest.stpl")]
    struct IncludeNest<'a> {
        s: &'a str,
    }

    #[test]
    fn test_include_nest() {
        assert_render("include-nest", IncludeNest { s: "foo" });
    }
}