firebase-rust-sdk 0.1.0-beta

//! Implementation status tracker
//! 
//! Track what components have been implemented to enable reuse
//! and avoid duplicate work.

#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum Status {
    /// Not yet started
    NotStarted,
    /// Implementation in progress
    InProgress,
    /// Implementation complete with tests
    Tested,
    /// Fully documented and ready
    Documented,
}

#[derive(Debug, Clone)]
pub struct Component {
    pub name: &'static str,
    pub status: Status,
    pub location: &'static str,
    pub dependencies: &'static [&'static str],
    pub notes: &'static str,
}

/// All implemented components
/// 
/// Update this list after implementing each component.
/// This helps track progress and enables reuse.
pub const IMPLEMENTED: &[Component] = &[
    // Example entry - update as you implement
    Component {
        name: "FirebaseError",
        status: Status::NotStarted,
        location: "src/error.rs",
        dependencies: &[],
        notes: "Core error type with thiserror",
    },
    Component {
        name: "AuthError",
        status: Status::NotStarted,
        location: "src/error.rs",
        dependencies: &[],
        notes: "Authentication-specific errors",
    },
    Component {
        name: "FirestoreError",
        status: Status::NotStarted,
        location: "src/error.rs",
        dependencies: &[],
        notes: "Firestore-specific errors",
    },
    Component {
        name: "User",
        status: Status::NotStarted,
        location: "src/auth/types.rs",
        dependencies: &["UserMetadata", "UserInfo"],
        notes: "C++: auth/src/include/firebase/auth/user.h:498",
    },
    Component {
        name: "Credential",
        status: Status::NotStarted,
        location: "src/auth/types.rs",
        dependencies: &[],
        notes: "C++: auth/src/include/firebase/auth/credential.h",
    },
    Component {
        name: "FieldValue",
        status: Status::NotStarted,
        location: "src/firestore/types.rs",
        dependencies: &["GeoPoint", "Timestamp"],
        notes: "C++: firestore/src/include/firebase/firestore/field_value.h",
    },
];

impl Component {
    /// Check if this component is ready to use
    pub fn is_ready(&self) -> bool {
        matches!(self.status, Status::Tested | Status::Documented)
    }
    
    /// Check if all dependencies are ready
    pub fn dependencies_ready(&self) -> bool {
        self.dependencies.iter().all(|dep| {
            IMPLEMENTED.iter()
                .find(|c| c.name == *dep)
                .map(|c| c.is_ready())
                .unwrap_or(false)
        })
    }
}

/// Get component by name
pub fn get_component(name: &str) -> Option<&'static Component> {
    IMPLEMENTED.iter().find(|c| c.name == name)
}

/// Get all components with status
pub fn components_by_status(status: Status) -> Vec<&'static Component> {
    IMPLEMENTED.iter()
        .filter(|c| c.status == status)
        .collect()
}

/// Get components ready to implement (dependencies satisfied)
pub fn ready_to_implement() -> Vec<&'static Component> {
    IMPLEMENTED.iter()
        .filter(|c| {
            c.status == Status::NotStarted && c.dependencies_ready()
        })
        .collect()
}

#[cfg(test)]
mod tests {
    use super::*;
    
    #[test]
    fn test_component_lookup() {
        let component = get_component("FirebaseError");
        assert!(component.is_some());
    }
    
    #[test]
    fn test_ready_to_implement() {
        // Components with no dependencies should be ready
        let ready = ready_to_implement();
        assert!(!ready.is_empty());
    }
}