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cvkg_cli/
patch_engine.rs

1//! Patch Engine
2//! Responsible for generating patches from compiled artifacts
3
4use serde::{Deserialize, Serialize};
5
6/// Compiled artifact from the build process
7#[derive(Debug, Clone, Serialize, Deserialize)]
8pub struct CompiledArtifact {
9    /// The root node ID of the view
10    pub root_id: u64,
11    /// The serialized view
12    pub view: SerializedView,
13}
14
15/// Serialized view representation
16#[derive(Debug, Clone, Serialize, Deserialize)]
17pub struct SerializedView {
18    /// The view type (e.g., "Text", "Button")
19    pub view_type: String,
20    /// The view properties
21    pub props: serde_json::Value,
22    /// The child views
23    pub children: Vec<SerializedView>,
24}
25
26/// Runtime patch types
27#[derive(Debug, Clone, Serialize, Deserialize)]
28pub enum RuntimePatch {
29    /// Replace a view at the specified node ID
30    ReplaceView {
31        /// The node ID to replace
32        node_id: u64,
33        /// The new view to insert
34        new_view: SerializedView,
35    },
36    /// Update state at the specified node ID
37    UpdateState {
38        /// The node ID to update
39        node_id: u64,
40        /// The field to update
41        field: String,
42        /// The new value
43        value: serde_json::Value,
44    },
45    /// Batch multiple patches together
46    Batch(Vec<RuntimePatch>),
47}
48
49/// Patch Engine implementation
50pub struct PatchEngine;
51
52impl PatchEngine {
53    /// Create a new PatchEngine
54    pub fn new() -> Self {
55        Self
56    }
57    
58    /// Generate a patch from a compiled artifact
59    pub fn generate_patch(&self, artifact: CompiledArtifact) -> RuntimePatch {
60        // TODO: Implement real diff logic
61        // For now, we'll create a simple replace view patch
62        RuntimePatch::Batch(vec![
63            RuntimePatch::ReplaceView {
64                node_id: artifact.root_id,
65                new_view: artifact.view,
66            }
67        ])
68    }
69}