//! Upload type-shape lowers to TS `File` across cardinalities. Separate from
//! the byte-parity baselines (which mustn't carry an upload field — the
//! three-way AFI parity gate includes the Rust adapter, which doesn't wire
//! uploads yet).

use std::path::PathBuf;

use mizan_codegen::config::{Config, SourceConfig};
use mizan_codegen::emit::stage1::Stage1;
use mizan_codegen::emit::CodegenTarget;
use mizan_codegen::fetch::parse_ir_from_str;


const UPLOAD_IR: &str = r#"
type "SetAvatarInput" {
    struct {
        field "user_id" {
            primitive "integer"
        }
        field "avatar" {
            upload max-size=5242880 {
                content-type "image/png"
                content-type "image/jpeg"
            }
        }
        field "photos" {
            list {
                upload
            }
        }
        field "thumb" required=#false {
            optional {
                upload
            }
        }
    }
}
type "setAvatarOutput" {
    alias {
        primitive "string"
    }
}
function "set_avatar" {
    camel "setAvatar"
    has-input #true
    input "SetAvatarInput"
    output "setAvatarOutput"
    transport "http"
    affects "user"
}
"#;


fn cfg() -> Config {
    Config {
        project_id: None,
        output: PathBuf::from("/tmp"),
        targets: vec!["stage1".to_string()],
        source: SourceConfig { fastapi: None, django: None, rust: None, script: None },
        rust_kernel: None,
        rust_crate_name: None,
    }
}


#[test]
fn upload_fields_lower_to_file_type() {
    let ir = parse_ir_from_str(UPLOAD_IR).expect("upload IR parses");
    let files = Stage1.emit(&ir, &cfg());
    let types = files
        .iter()
        .find(|f| f.rel_path.to_string_lossy().contains("types.ts"))
        .expect("types.ts emitted");
    let src = &types.content;

    assert!(src.contains("avatar: File"), "required upload → File:\n{src}");
    assert!(src.contains("File[]"), "list[upload] → File[]:\n{src}");
    assert!(src.contains("File | null"), "optional upload → File | null:\n{src}");
}