use sharenet_passport::domain::entities::PassportFile;
use serde_cbor;

pub fn debug_parse_spf(data: &[u8]) -> Result<(), String> {
    // Try to parse the CBOR data
    match serde_cbor::from_slice::<PassportFile>(data) {
        Ok(_passport_file) => {
            // Return success with file info
            Ok(())
        }
        Err(e) => {
            // Try to parse as generic CBOR value to see the structure
            match serde_cbor::from_slice::<serde_cbor::Value>(data) {
                Ok(value) => {
                    // Check if all required fields are present
                    if let serde_cbor::Value::Map(map) = &value {
                        let required_fields = [
                            "enc_seed", "kdf", "cipher", "salt", "nonce",
                            "public_key", "did", "univ_id", "created_at",
                            "version", "enc_user_profiles"
                        ];

                        let mut missing_fields = Vec::new();
                        for field in &required_fields {
                            if !map.iter().any(|(k, _)| k == &serde_cbor::Value::Text(field.to_string())) {
                                missing_fields.push(*field);
                            }
                        }

                        if !missing_fields.is_empty() {
                            return Err(format!("CBOR parsing failed: {}. Missing fields: {:?}. Raw structure: {:?}", e, missing_fields, value));
                        } else {
                            return Err(format!("CBOR parsing failed: {}. All fields present but structure mismatch. Raw structure: {:?}", e, value));
                        }
                    } else {
                        return Err(format!("CBOR parsing failed: {}. Data is not a map. Raw structure: {:?}", e, value));
                    }
                }
                Err(e2) => {
                    Err(format!("CBOR parsing failed: {}. Also failed to parse as generic CBOR: {}", e, e2))
                }
            }
        }
    }
}