//! L5 tests for the profile/first-run DTO (de)serialisation contract: camelCase
//! on the wire, embedded [`AgentProfile`] shape preserved, and `parse_profile_id`
//! error behaviour.

use app_tauri_lib::dto::{
    parse_delete_profile, parse_profile_id, ConfigureProfilesRequestDto, DetectProfilesRequestDto,
    DetectProfilesResponseDto, FirstRunStateDto, ProfileListDto, SaveProfileRequestDto,
};
use application::{
    ConfigureProfilesInput, DetectProfilesInput, DetectProfilesOutput, FirstRunStateOutput,
    ProfileAvailability, SaveProfileInput,
};
use domain::ids::ProfileId;
use domain::profile::{AgentProfile, ContextInjection};
use serde_json::json;
use uuid::Uuid;

fn profile(id: u128, name: &str, command: &str) -> AgentProfile {
    AgentProfile::new(
        ProfileId::from_uuid(Uuid::from_u128(id)),
        name,
        command,
        Vec::new(),
        ContextInjection::convention_file("CLAUDE.md").unwrap(),
        Some(format!("{command} --version")),
        "{projectRoot}",
    )
    .unwrap()
}

#[test]
fn profile_list_dto_serialises_camelcase_profiles() {
    let dto: ProfileListDto = vec![profile(1, "Claude", "claude")].into();
    let v = serde_json::to_value(&dto).unwrap();
    let arr = v.as_array().expect("transparent array");
    assert_eq!(arr.len(), 1);
    assert_eq!(arr[0]["command"], "claude");
    assert_eq!(arr[0]["cwdTemplate"], "{projectRoot}");
    assert_eq!(arr[0]["contextInjection"]["strategy"], "conventionFile");
}

#[test]
fn detect_request_deserialises_candidates() {
    let raw = json!({
        "candidates": [{
            "id": Uuid::from_u128(1).to_string(),
            "name": "Claude",
            "command": "claude",
            "args": [],
            "contextInjection": { "strategy": "stdin" },
            "detect": "claude --version",
            "cwdTemplate": "{projectRoot}"
        }]
    });
    let dto: DetectProfilesRequestDto = serde_json::from_value(raw).unwrap();
    let input: DetectProfilesInput = dto.into();
    assert_eq!(input.candidates.len(), 1);
    assert_eq!(input.candidates[0].command, "claude");
}

#[test]
fn detect_response_serialises_available_flag_camelcase() {
    let out = DetectProfilesOutput {
        results: vec![ProfileAvailability {
            profile: profile(1, "Claude", "claude"),
            available: true,
        }],
    };
    let dto: DetectProfilesResponseDto = out.into();
    let v = serde_json::to_value(&dto).unwrap();
    let arr = v.as_array().unwrap();
    assert_eq!(arr[0]["available"], true);
    assert_eq!(arr[0]["profile"]["command"], "claude");
}

#[test]
fn save_request_deserialises_profile() {
    let raw = json!({
        "profile": {
            "id": Uuid::from_u128(2).to_string(),
            "name": "Codex",
            "command": "codex",
            "args": ["--foo"],
            "contextInjection": { "strategy": "conventionFile", "target": "AGENTS.md" },
            "detect": null,
            "cwdTemplate": ""
        }
    });
    let dto: SaveProfileRequestDto = serde_json::from_value(raw).unwrap();
    let input: SaveProfileInput = dto.into();
    assert_eq!(input.profile.command, "codex");
    assert_eq!(input.profile.args, vec!["--foo"]);
    assert!(input.profile.detect.is_none());
}

#[test]
fn configure_request_deserialises_profiles() {
    let raw = json!({ "profiles": [] });
    let dto: ConfigureProfilesRequestDto = serde_json::from_value(raw).unwrap();
    let input: ConfigureProfilesInput = dto.into();
    assert!(input.profiles.is_empty());
}

#[test]
fn first_run_state_dto_serialises_camelcase() {
    let out = FirstRunStateOutput {
        is_first_run: true,
        reference_profiles: vec![profile(1, "Claude", "claude")],
    };
    let dto: FirstRunStateDto = out.into();
    let v = serde_json::to_value(&dto).unwrap();
    assert_eq!(v["isFirstRun"], true);
    assert!(v.get("is_first_run").is_none(), "no snake_case leak");
    assert_eq!(v["referenceProfiles"][0]["command"], "claude");
}

#[test]
fn parse_profile_id_accepts_uuid_and_rejects_garbage() {
    let id = Uuid::from_u128(7);
    assert_eq!(
        parse_profile_id(&id.to_string()).unwrap(),
        ProfileId::from_uuid(id)
    );
    let err = parse_profile_id("not-a-uuid").expect_err("garbage rejected");
    assert_eq!(err.code, "INVALID");
}

#[test]
fn parse_delete_profile_builds_input() {
    let id = Uuid::from_u128(9);
    let input = parse_delete_profile(&id.to_string()).unwrap();
    assert_eq!(input.id, ProfileId::from_uuid(id));
}