use std::fs;
use std::path::{Path, PathBuf};

use sgclaw::compat::scene_platform::registry::{load_scene_registry, SceneRegistryError};
use uuid::Uuid;

fn temp_root(prefix: &str) -> PathBuf {
    let root = std::env::temp_dir().join(format!("{prefix}-{}", Uuid::new_v4()));
    fs::create_dir_all(&root).unwrap();
    root
}

fn write_skill(
    root: &Path,
    skill_name: &str,
    skill_toml: &str,
    scene_toml: Option<&str>,
) -> PathBuf {
    let skill_root = root.join(skill_name);
    fs::create_dir_all(&skill_root).unwrap();
    fs::write(skill_root.join("SKILL.toml"), skill_toml).unwrap();
    if let Some(scene_toml) = scene_toml {
        fs::write(skill_root.join("scene.toml"), scene_toml).unwrap();
    }
    skill_root
}

fn browser_script_skill_toml(skill_name: &str, tool_name: &str, tool_kind: &str) -> String {
    format!(
        r#"[skill]
name = "{skill_name}"
description = "test skill"
version = "0.1.0"

[[tools]]
name = "{tool_name}"
description = "test tool"
kind = "{tool_kind}"
command = "scripts/{tool_name}.js"
"#
    )
}

fn scene_toml(
    scene_id: &str,
    skill_name: &str,
    tool_name: &str,
    schema_version: &str,
    kind: &str,
) -> String {
    format!(
        r#"[scene]
id = "{scene_id}"
skill = "{skill_name}"
tool = "{tool_name}"
kind = "{kind}"
version = "0.1.0"
category = "report_collection"

[manifest]
schema_version = "{schema_version}"

[bootstrap]
expected_domain = "20.76.57.61"
target_url = "http://20.76.57.61:18080/gsllys/tqLinelossStatis/tqQualifyRateMonitor"
requires_target_page = true

[deterministic]
suffix = "。。。"
include_keywords = ["线损"]
exclude_keywords = ["知乎"]

[[params]]
name = "org"
resolver = "dictionary_entity"
required = true
prompt_missing = "缺少供电单位"
prompt_ambiguous = "供电单位存在歧义"

[params.resolver_config]
dictionary_ref = "references/org-dictionary.json"
output_label_field = "org_label"
output_code_field = "org_code"

[artifact]
type = "report-artifact"
success_status = ["ok", "partial", "empty"]
failure_status = ["blocked", "error"]
"#
    )
}

#[test]
fn registry_loads_scene_manifest_from_skill_root() {
    let skills_root = temp_root("sgclaw-scene-registry");
    write_skill(
        &skills_root,
        "tq-lineloss-report",
        &browser_script_skill_toml("tq-lineloss-report", "collect_lineloss", "browser_script"),
        Some(&scene_toml(
            "tq-lineloss-report",
            "tq-lineloss-report",
            "collect_lineloss",
            "1",
            "browser_script",
        )),
    );

    let registry = load_scene_registry(&skills_root).unwrap();

    assert_eq!(registry.len(), 1);
    assert_eq!(registry[0].manifest.scene.id, "tq-lineloss-report");
    assert_eq!(
        registry[0].skill_root,
        skills_root.join("tq-lineloss-report")
    );
    assert!(registry[0].skill_root.join("scene.toml").exists());
    assert!(!registry[0]
        .skill_root
        .to_string_lossy()
        .contains("skill_staging/scenes"));
}

#[test]
fn registry_rejects_duplicate_scene_ids_with_both_paths_in_error() {
    let skills_root = temp_root("sgclaw-scene-registry-dup");
    let first = write_skill(
        &skills_root,
        "skill-a",
        &browser_script_skill_toml("skill-a", "collect_a", "browser_script"),
        Some(&scene_toml(
            "duplicate-scene",
            "skill-a",
            "collect_a",
            "1",
            "browser_script",
        )),
    );
    let second = write_skill(
        &skills_root,
        "skill-b",
        &browser_script_skill_toml("skill-b", "collect_b", "browser_script"),
        Some(&scene_toml(
            "duplicate-scene",
            "skill-b",
            "collect_b",
            "1",
            "browser_script",
        )),
    );

    let err = load_scene_registry(&skills_root).expect_err("duplicate scene ids should fail");
    let message = err.to_string();

    assert!(matches!(err, SceneRegistryError::DuplicateSceneId { .. }));
    assert!(message.contains(&first.join("scene.toml").display().to_string()));
    assert!(message.contains(&second.join("scene.toml").display().to_string()));
}

#[test]
fn registry_rejects_unknown_manifest_schema_version() {
    let skills_root = temp_root("sgclaw-scene-registry-schema");
    write_skill(
        &skills_root,
        "tq-lineloss-report",
        &browser_script_skill_toml("tq-lineloss-report", "collect_lineloss", "browser_script"),
        Some(&scene_toml(
            "tq-lineloss-report",
            "tq-lineloss-report",
            "collect_lineloss",
            "999",
            "browser_script",
        )),
    );

    let err = load_scene_registry(&skills_root).expect_err("unknown schema version should fail");
    let message = err.to_string();

    assert!(matches!(
        err,
        SceneRegistryError::UnsupportedSchemaVersion { .. }
    ));
    assert!(message.contains("999"));
}

#[test]
fn registry_rejects_non_browser_script_scene_tool_in_v1() {
    let skills_root = temp_root("sgclaw-scene-registry-kind");
    write_skill(
        &skills_root,
        "shell-scene",
        &browser_script_skill_toml("shell-scene", "collect_shell", "shell"),
        Some(&scene_toml(
            "shell-scene",
            "shell-scene",
            "collect_shell",
            "1",
            "shell",
        )),
    );

    let err =
        load_scene_registry(&skills_root).expect_err("non browser_script scenes should fail in v1");
    let message = err.to_string();

    assert!(matches!(
        err,
        SceneRegistryError::UnsupportedSceneKind { .. }
    ));
    assert!(message.contains("browser_script"));
}

#[test]
fn committed_lineloss_sample_package_is_registration_ready() {
    let skills_root = Path::new("examples/generated_scene_platform/skills");

    let registry = load_scene_registry(skills_root).unwrap();
    let entry = registry
        .iter()
        .find(|entry| entry.manifest.scene.id == "tq-lineloss-report")
        .expect("committed line-loss sample package should be registered");

    assert_eq!(entry.manifest.scene.skill, "tq-lineloss-report");
    assert_eq!(entry.manifest.scene.tool, "collect_lineloss");
    assert_eq!(entry.manifest.scene.kind, "browser_script");
    assert_eq!(entry.manifest.scene.category, "report_collection");
    assert_eq!(entry.manifest.bootstrap.expected_domain, "20.76.57.61");
    assert_eq!(
        entry.manifest.bootstrap.target_url,
        "http://20.76.57.61:18080/gsllys/tqLinelossStatis/tqQualifyRateMonitor"
    );
    assert!(entry
        .manifest
        .deterministic
        .include_keywords
        .iter()
        .any(|keyword| keyword == "统计分析"));
    assert!(entry
        .skill_root
        .join("references")
        .join("org-dictionary.json")
        .exists());
    assert!(entry
        .skill_root
        .join("scripts")
        .join("collect_lineloss.js")
        .exists());
}