use super::super::super::{
    GenerateOptions, GenerateProgress, WriteOutcome, generate, generate_with_options,
    generate_with_options_and_progress,
};
use super::super::{make_temp_dir, write_custom_files_job_config};
use std::fs;

#[test]
fn generate_skips_when_generation_contract_is_unchanged_by_default() {
    let temp_dir = make_temp_dir("pipeline-generate-skip-default");
    let config_path = temp_dir.join("numi.toml");
    let files_root = temp_dir.join("Resources/Fixtures");
    let template_path = temp_dir.join("Templates/files.jinja");
    let generated_path = temp_dir.join("Generated/Files.swift");

    fs::create_dir_all(&files_root).expect("files directory should exist");
    fs::create_dir_all(
        template_path
            .parent()
            .expect("template path should have parent"),
    )
    .expect("template dir should exist");
    fs::write(files_root.join("faq.pdf"), "faq").expect("faq file should be written");
    fs::write(
        &template_path,
        "{{ modules[0].entries[0].properties.fileName }}\n",
    )
    .expect("template should be written");
    write_custom_files_job_config(&config_path, None);

    let first = generate(&config_path, None).expect("initial generation should succeed");
    assert_eq!(first.jobs[0].outcome, WriteOutcome::Created);
    assert_eq!(
        fs::read_to_string(&generated_path).expect("generated file should exist"),
        "faq.pdf\n"
    );

    let second = generate(&config_path, None).expect("second generation should succeed");
    assert_eq!(second.jobs[0].outcome, WriteOutcome::Skipped);
    assert_eq!(
        fs::read_to_string(&generated_path).expect("generated file should remain"),
        "faq.pdf\n"
    );

    fs::remove_dir_all(temp_dir).expect("temp dir should be removed");
}

#[test]
fn generate_respects_job_incremental_opt_out_and_rerenders() {
    let temp_dir = make_temp_dir("pipeline-generate-opt-out");
    let config_path = temp_dir.join("numi.toml");
    let files_root = temp_dir.join("Resources/Fixtures");
    let template_path = temp_dir.join("Templates/files.jinja");
    let generated_path = temp_dir.join("Generated/Files.swift");

    fs::create_dir_all(&files_root).expect("files directory should exist");
    fs::create_dir_all(
        template_path
            .parent()
            .expect("template path should have parent"),
    )
    .expect("template dir should exist");
    fs::write(files_root.join("faq.pdf"), "faq").expect("faq file should be written");
    fs::write(
        &template_path,
        "{{ modules[0].entries[0].properties.fileName }}\n",
    )
    .expect("template should be written");
    write_custom_files_job_config(&config_path, Some(false));

    let first = generate(&config_path, None).expect("initial generation should succeed");
    assert_eq!(first.jobs[0].outcome, WriteOutcome::Created);

    let second = generate(&config_path, None).expect("second generation should rerender");
    assert_eq!(second.jobs[0].outcome, WriteOutcome::Unchanged);
    assert_eq!(
        fs::read_to_string(&generated_path).expect("generated file should remain"),
        "faq.pdf\n"
    );

    fs::remove_dir_all(temp_dir).expect("temp dir should be removed");
}

#[test]
fn generate_options_override_job_incremental_setting() {
    let temp_dir = make_temp_dir("pipeline-generate-options-override");
    let config_path = temp_dir.join("numi.toml");
    let files_root = temp_dir.join("Resources/Fixtures");
    let template_path = temp_dir.join("Templates/files.jinja");
    let generated_path = temp_dir.join("Generated/Files.swift");

    fs::create_dir_all(&files_root).expect("files directory should exist");
    fs::create_dir_all(
        template_path
            .parent()
            .expect("template path should have parent"),
    )
    .expect("template dir should exist");
    fs::write(files_root.join("faq.pdf"), "faq").expect("faq file should be written");
    fs::write(
        &template_path,
        "{{ modules[0].entries[0].properties.fileName }}\n",
    )
    .expect("template should be written");
    write_custom_files_job_config(&config_path, Some(false));

    let first = generate(&config_path, None).expect("initial generation should succeed");
    assert_eq!(first.jobs[0].outcome, WriteOutcome::Created);

    let second = generate_with_options(
        &config_path,
        None,
        GenerateOptions {
            incremental: Some(true),
            parse_cache: None,
            force_regenerate: false,
            workspace_manifest_path: None,
        },
    )
    .expect("second generation should honor the explicit override");
    assert_eq!(second.jobs[0].outcome, WriteOutcome::Skipped);
    assert_eq!(
        fs::read_to_string(&generated_path).expect("generated file should remain"),
        "faq.pdf\n"
    );

    fs::remove_dir_all(temp_dir).expect("temp dir should be removed");
}

#[test]
fn generate_refresh_bypasses_generation_skip() {
    let temp_dir = make_temp_dir("pipeline-generate-refresh");
    let config_path = temp_dir.join("numi.toml");
    let files_root = temp_dir.join("Resources/Fixtures");
    let template_path = temp_dir.join("Templates/files.jinja");
    let generated_path = temp_dir.join("Generated/Files.swift");

    fs::create_dir_all(&files_root).expect("files directory should exist");
    fs::create_dir_all(
        template_path
            .parent()
            .expect("template path should have parent"),
    )
    .expect("template dir should exist");
    fs::write(files_root.join("faq.pdf"), "faq").expect("faq file should be written");
    fs::write(
        &template_path,
        "{{ modules[0].entries[0].properties.fileName }}\n",
    )
    .expect("template should be written");
    write_custom_files_job_config(&config_path, Some(true));

    let first = generate(&config_path, None).expect("initial generation should succeed");
    assert_eq!(first.jobs[0].outcome, WriteOutcome::Created);

    let second = generate_with_options(
        &config_path,
        None,
        GenerateOptions {
            incremental: Some(true),
            parse_cache: None,
            force_regenerate: false,
            workspace_manifest_path: None,
        },
    )
    .expect("second generation should skip");
    assert_eq!(second.jobs[0].outcome, WriteOutcome::Skipped);

    let third = generate_with_options(
        &config_path,
        None,
        GenerateOptions {
            incremental: Some(true),
            parse_cache: Some(true),
            force_regenerate: true,
            workspace_manifest_path: None,
        },
    )
    .expect("force regenerate should rerender");
    assert_eq!(third.jobs[0].outcome, WriteOutcome::Unchanged);
    assert_eq!(
        fs::read_to_string(&generated_path).expect("generated file should remain"),
        "faq.pdf\n"
    );
}

#[test]
fn generate_reports_job_started_before_generating() {
    let temp_dir = make_temp_dir("pipeline-generate-progress");
    let config_path = temp_dir.join("numi.toml");
    let files_root = temp_dir.join("Resources/Fixtures");
    let template_path = temp_dir.join("Templates/files.jinja");

    fs::create_dir_all(&files_root).expect("files directory should exist");
    fs::create_dir_all(
        template_path
            .parent()
            .expect("template path should have parent"),
    )
    .expect("template dir should exist");
    fs::write(files_root.join("faq.pdf"), "faq").expect("faq file should be written");
    fs::write(
        &template_path,
        "{{ modules[0].entries[0].properties.fileName }}\n",
    )
    .expect("template should be written");
    write_custom_files_job_config(&config_path, Some(false));

    let mut events = Vec::new();
    let report = generate_with_options_and_progress(
        &config_path,
        None,
        GenerateOptions::default(),
        |progress| events.push(progress.clone()),
    )
    .expect("generation should succeed");

    assert_eq!(report.jobs[0].outcome, WriteOutcome::Created);
    assert_eq!(
        events,
        vec![GenerateProgress::JobStarted {
            job_name: "files".to_string(),
        }]
    );

    fs::remove_dir_all(temp_dir).expect("temp dir should be removed");
}
