// SPDX-FileCopyrightText: 2025 Gergely Nagy
// SPDX-FileContributor: Gergely Nagy
//
// SPDX-License-Identifier: MIT

use iocaine::{
    app::Iocaine, assembled_statistical_sequences::AssembledStatisticalSequences, config::*,
};

fn generate(templates: &str, host: &str, url: &str) -> String {
    let config = Config {
        sources: SourceConfig {
            words: "tests/data/words.txt".to_string(),
            markov: vec!["tests/data/lorem-ipsum.txt".to_string()],
        },
        server: ServerConfig::default(),
        generator: GeneratorConfig {
            markov: MarkovGeneratorConfig {
                paragraphs: MarkovParagraphsConfig { min: 2, max: 2 },
                words: MarkovWordsConfig { min: 2, max: 2 },
            },
            links: LinkGeneratorConfig {
                min: 2,
                max: 2,
                href_words: LinkGeneratorHrefWordsConfig { min: 2, max: 2 },
                title_words: LinkGeneratorTitleWordsConfig { min: 2, max: 2 },
            },
            initial_seed: String::new(),
        },
        templates: TemplatesConfig {
            directory: Some(format!("tests/data/templates/{}", templates)),
        },
        metrics: MetricsConfig::default(),
    };

    let iocaine = Iocaine::new(config).unwrap();
    AssembledStatisticalSequences::generate(&iocaine, host, url)
}

#[test]
fn test_templates_request_uri() {
    let result = generate("request_uri", "test.example.com", "/test/");

    assert_eq!(result, "/test/\n");
}

#[test]
fn test_templates_is_root() {
    let root = generate("is_root", "test.example.com", "/");
    assert_eq!(root, "true\n");
    let not_root = generate("is_root", "test.example.com", "/not-root/");
    assert_eq!(not_root, "\n");
}

#[test]
fn test_templates_paragraphs() {
    let paragraphs = generate("paragraphs", "test.example.com", "/paragraphs/");
    assert_eq!(
        paragraphs,
        "<paragraph>\n  Qui officia.\n</paragraph>\n<paragraph>\n  Elit, sed.\n</paragraph>\n"
    );
}

#[test]
fn test_templates_links() {
    let paragraphs = generate("links", "test.example.com", "/links/");
    assert_eq!(paragraphs, "href: unconscionable-reshipping\ntitle: Sint occaecat.\nhref: Astaire's-duplicate\ntitle: Aute irure.\n");
}

#[test]
fn test_templates_seeding() {
    let root_request1 = generate("complete", "test.example.com", "/");
    let root_request2 = generate("complete", "test.example.com", "/");
    let other_request = generate("complete", "test.example.com", "/other/");

    assert_eq!(root_request1, root_request2);
    assert_ne!(root_request2, other_request);
}

#[test]
fn test_templates_builtin() {
    let config = Config {
        sources: SourceConfig {
            words: "tests/data/words.txt".to_string(),
            markov: vec!["tests/data/lorem-ipsum.txt".to_string()],
        },
        server: ServerConfig::default(),
        generator: GeneratorConfig::default(),
        templates: TemplatesConfig::default(),
        metrics: MetricsConfig::default(),
    };

    let iocaine = Iocaine::new(config).unwrap();
    let result = AssembledStatisticalSequences::generate(
        &iocaine,
        "test.example.com",
        "/builtin-templates/",
    );

    assert!(result.contains("/builtin-templates/"));
    assert!(result.contains("a href=\"../\""));
    assert!(result.contains("<p>"));
    assert!(result.contains("<li>"));
}