apollo-language-server 0.7.0

use apollo_compiler::ast::{EnumTypeDefinition, ScalarTypeDefinition};
use once_cell::sync::Lazy;
use std::collections::HashMap;

use super::{Spec, SpecDirective, SpecStatus, SpecType, SpecsByVersion};

pub const LINK_SPEC_NAME: &str = "link";
pub const LINK_DIRECTIVE: &str = "link";
pub const LINK_DESCRIPTION: &str = "The [`@link`](https://www.apollographql.com/docs/federation/federated-schemas/federated-directives/#the-link-directive) directive links definitions from an external specification to this schema. Every Federation 2 subgraph uses the `@link` directive to import other specified directives.";

pub const IMPORT_SCALAR: &str = "Import";
pub const PURPOSE_ENUM: &str = "Purpose";

pub static LINK_SPECS_BY_VERSION: Lazy<SpecsByVersion> = {
    Lazy::new(|| {
        let import = SpecType::<ScalarTypeDefinition>::new(IMPORT_SCALAR);
        let purpose = SpecType::<EnumTypeDefinition>::new("enum Purpose { EXECUTION SECURITY }");

        let link_directive = SpecDirective::new(
            "directive @link(url: String!, as: String, import: [Import!], for: Purpose) repeatable on SCHEMA", LINK_DESCRIPTION
        );

        let link1_0 = Spec {
            status: SpecStatus::Supported,
            scalars: HashMap::from([(IMPORT_SCALAR.to_string(), import)]),
            input_types: HashMap::new(),
            directives: HashMap::from([(LINK_DIRECTIVE.to_string(), link_directive)]),
            enums: HashMap::from([(PURPOSE_ENUM.to_string(), purpose)]),
        };

        HashMap::from([("1.0".to_string(), link1_0)])
    })
};