use super::PageQuery;
use crate::{ApiResponse, error::ApiError};
use actix_web::{HttpResponse, Result, web};
use models::projects::MemberRole;
use service::AppService;
use session::Session;

#[derive(serde::Deserialize, utoipa::ToSchema)]
pub struct InviteUserRequest {
    pub email: String,
    pub scope: MemberRole,
}

#[utoipa::path(
    get,
    path = "/api/projects/{project_name}/invitations",
    params(
        ("project_name" = String, Path),
        ("page" = Option<u64>, Query),
        ("per_page" = Option<u64>, Query),
    ),
    responses(
        (status = 200, description = "List project invitations", body = ApiResponse<service::project::invitation::InvitationListResponse>),
        (status = 401, description = "Unauthorized"),
        (status = 403, description = "Forbidden"),
        (status = 404, description = "Not found"),
),
    tag = "Project"
)]
pub async fn project_invitations(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<String>,
    query: web::Query<PageQuery>,
) -> Result<HttpResponse, ApiError> {
    let project_name = path.into_inner();
    let resp = service
        .project_get_invitations(project_name, query.page, query.per_page, &session)
        .await?;
    Ok(ApiResponse::ok(resp).to_response())
}

#[utoipa::path(
    get,
    path = "/api/projects/me/invitations",
    responses(
        (status = 200, description = "List my invitations", body = ApiResponse<service::project::invitation::InvitationListResponse>),
        (status = 401, description = "Unauthorized"),
        (status = 404, description = "Not found"),
),
    tag = "Project"
)]
pub async fn project_my_invitations(
    service: web::Data<AppService>,
    session: Session,
    query: web::Query<PageQuery>,
) -> Result<HttpResponse, ApiError> {
    let resp = service
        .project_get_my_invitations(query.page, query.per_page, &session)
        .await?;
    Ok(ApiResponse::ok(resp).to_response())
}

#[utoipa::path(
    post,
    path = "/api/projects/{project_name}/invitations",
    params(("project_name" = String, Path)),
    request_body = InviteUserRequest,
    responses(
        (status = 200, description = "Invite user to project"),
        (status = 401, description = "Unauthorized"),
        (status = 403, description = "Forbidden"),
        (status = 404, description = "Not found"),
),
    tag = "Project"
)]
pub async fn project_invite_user(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<String>,
    body: web::Json<InviteUserRequest>,
) -> Result<HttpResponse, ApiError> {
    let project_name = path.into_inner();
    service
        .project_invite_user(
            project_name,
            body.email.clone(),
            body.scope.clone(),
            &session,
        )
        .await?;
    Ok(ApiResponse::ok(serde_json::json!({ "success": true })).to_response())
}

#[utoipa::path(
    post,
    path = "/api/projects/{project_name}/invitations/accept",
    params(("project_name" = String, Path)),
    responses(
        (status = 200, description = "Accept project invitation"),
        (status = 401, description = "Unauthorized"),
        (status = 404, description = "Not found"),
),
    tag = "Project"
)]
pub async fn project_accept_invitation(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<String>,
) -> Result<HttpResponse, ApiError> {
    let project_name = path.into_inner();
    service
        .project_accept_invitation(project_name, &session)
        .await?;
    Ok(ApiResponse::ok(serde_json::json!({ "success": true })).to_response())
}

#[utoipa::path(
    post,
    path = "/api/projects/{project_name}/invitations/reject",
    params(("project_name" = String, Path)),
    responses(
        (status = 200, description = "Reject project invitation"),
        (status = 401, description = "Unauthorized"),
        (status = 404, description = "Not found"),
),
    tag = "Project"
)]
pub async fn project_reject_invitation(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<String>,
) -> Result<HttpResponse, ApiError> {
    let project_name = path.into_inner();
    service
        .project_reject_invitation(project_name, &session)
        .await?;
    Ok(ApiResponse::ok(serde_json::json!({ "success": true })).to_response())
}

#[utoipa::path(
    delete,
    path = "/api/projects/{project_name}/invitations/{user_id}",
    params(
        ("project_name" = String, Path),
        ("user_id" = String, Path),
    ),
    responses(
        (status = 200, description = "Cancel project invitation"),
        (status = 401, description = "Unauthorized"),
        (status = 403, description = "Forbidden"),
        (status = 404, description = "Not found"),
),
    tag = "Project"
)]
pub async fn project_cancel_invitation(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String)>,
) -> Result<HttpResponse, ApiError> {
    let (project_name, user_id) = path.into_inner();
    let user_uuid = uuid::Uuid::parse_str(&user_id)
        .map_err(|_| service::error::AppError::BadRequest("Invalid UUID".to_string()))?;
    service
        .project_cancel_invitation(project_name, user_uuid, &session)
        .await?;
    Ok(ApiResponse::ok(serde_json::json!({ "success": true })).to_response())
}