amberjs 1.16.1

// Vue 运行时支持
// Stage 91 Phase 3.3.2 - Vue 框架集成
//
/// 提供 Vue 3 应用完整支持，包括模板编译、响应式系统、SFC 解析等
use super::*;
use serde::{Deserialize, Serialize};
use std::collections::HashMap;
use std::collections::{BTreeMap};
/// Vue 运行时
#[derive(Debug)]
pub struct VueRuntime {
    template_compiler: TemplateCompiler,
    reactive_system: ReactiveSystem,
    sfc_parser: SfcParser,
    component_resolver: ComponentResolver,
    config: VueConfig,
}
impl VueRuntime {
    /// 创建新的 Vue 运行时
    pub fn new(config: VueConfig) -> Self {
        Self {
            template_compiler: TemplateCompiler::new(),
            reactive_system: ReactiveSystem::new(),
            sfc_parser: SfcParser::new(),
            component_resolver: ComponentResolver::new(),
            config,
        }
    }
    /// 编译并渲染组件
    pub async fn compile_and_render(
        &self,
        component: &VueComponent,
        props: Option<&serde_json::Value>,
    ) -> Result<RenderResult, Box<dyn std::error::Error>> {
        // 1. 解析 SFC 文件
        let sfc: _ = self.sfc_parser.parse_sfc(&component.source_code)?;
        // 2. 编译模板
        let compiled_template: _ = self.template_compiler.compile(&sfc.template)?;
        // 3. 转换脚本
        let transformed_script: _ = self.transform_script(&sfc.script, &sfc.script_setup)?;
        // 4. 创建响应式组件
        let reactive_component: _ = self.reactive_system.create_component(
            &compiled_template,
            &transformed_script,
            props,
        )?;
        // 5. 渲染组件
        let vdom: _ = self.render_component(&reactive_component)?;
        // 6. 生成 HTML
        let html: _ = self.generate_html(&vdom)?;
        Ok(RenderResult {
            html,
            head: self.generate_head(&sfc),
            styles: self.extract_styles(&sfc)?,
            scripts: self.generate_scripts(&reactive_component)?,
            data: Some(self.extract_data(&reactive_component)?),
        })
    }
    /// 服务端渲染 (SSR)
    pub async fn render_to_string(
        &self,
        component: &VueComponent,
        initial_state: &serde_json::Value,
    ) -> Result<String, Box<dyn std::error::Error>> {
        let render_result: _ = self.compile_and_render(component, Some(initial_state)).await?;
        Ok(render_result.html)
    }
    /// 客户端水合
    pub async fn hydrate_app(
        &self,
        app_id: &str,
        initial_state: &serde_json::Value,
    ) -> Result<(), Box<dyn std::error::Error>> {
        // 1. 从 DOM 恢复状态
        let dom_state: _ = self.extract_dom_state(app_id)?;
        // 2. 创建响应式应用实例
        let app_instance: _ = self.reactive_system.create_app_instance(initial_state, &dom_state)?;
        // 3. 启动响应式系统
        self.reactive_system.mount(app_instance, app_id)?;
        Ok(())
    }
    /// 编译模板字符串
    pub fn compile_template(&self, template: &str) -> Result<CompiledTemplate, Box<dyn std::error::Error>> {
        self.template_compiler.compile(template)
    }
    /// 创建响应式数据
    pub fn create_reactive_data(&self, data: &serde_json::Value) -> Result<ReactiveData, Box<dyn std::error::Error>> {
        self.reactive_system.create_reactive(data)
    }
    /// 注册全局组件
    pub fn register_global_component(&mut self, name: String, component: VueComponent) {
        self.component_resolver.register_global(name, component);
    }
    /// 解析组件
    pub fn resolve_component(&self, name: &str) -> Option<&VueComponent> {
        self.component_resolver.resolve(name)
    }
    /// 生成 HTML
    fn generate_html(&self, vdom: &VueVirtualDom) -> Result<String, Box<dyn std::error::Error>> {
        let mut html = String::new();
        html.push_str(&self.node_to_html(&vdom.root)?);
        Ok(html)
    }
    /// 将节点转换为 HTML
    fn node_to_html(&self, node: &VueVNode) -> Result<String, Box<dyn std::error::Error>> {
        match node.node_type {
            VueVNodeType::Text(ref text) => text.clone(),
            VueVNodeType::Element(ref element) => {
                let mut html = String::new();
                html.push_str(&format!("<{}", element.tag_name));
                // 添加属性
                for (key, value) in &element.props {
                    html.push_str(&format!(" {}=\"{}\"", key, value));
                }
                // 添加指令
                for directive in &element.directives {
                    html.push_str(&format!(" v-{}:{}", directive.name, directive.value));
                }
                html.push('>');
                // 添加子元素
                for child in &element.children {
                    html.push_str(&self.node_to_html(child)?);
                }
                html.push_str(&format!("</{}>", element.tag_name));
                html
            }
            VueVNodeType::Fragment(ref nodes) => {
                let mut html = String::new();
                for node in nodes {
                    html.push_str(&self.node_to_html(node)?);
                }
                html
            }
        }
    }
    /// 生成头部
    fn generate_head(&self, sfc: &SingleFileComponent) -> Option<String> {
        let mut head = String::new();
        // 添加页面标题
        if let Some(title) = &sfc.title {
            head.push_str(&format!("<title>{}</title>", title));
        }
        // 添加 meta 标签
        for (name, content) in &sfc.meta {
            head.push_str(&format!("<meta name=\"{}\" content=\"{}\">", name, content));
        }
        Some(head)
    }
    /// 提取样式
    fn extract_styles(&self, sfc: &SingleFileComponent) -> Result<Vec<String>, Box<dyn std::error::Error>> {
        let mut styles = Vec::new();
        // 添加作用域样式
        for style_block in &sfc.styles {
            styles.push(style_block.clone());
        }
        Ok(styles)
    }
    /// 生成脚本
    fn generate_scripts(&self, component: &ReactiveComponent) -> Result<Vec<String>, Box<dyn std::error::Error>> {
        let mut scripts = Vec::new();
        // 添加 Vue 运行时
        scripts.push("<script src=\"https://unpkg.com/vue@3/dist/vue.global.js\"></script>".to_string());
        // 添加组件脚本
        scripts.push(format!(
            "<script>
const {{ createApp, ref, reactive }} = Vue;
const app = createApp({{}});
app.mount('#{}');
</script>",
            component.mount_id
        ));
        Ok(scripts)
    }
    /// 提取数据
    fn extract_data(&self, component: &ReactiveComponent) -> Result<serde_json::Value, Box<dyn std::error::Error>> {
        Ok(component.data.clone())
    }
    /// 从 DOM 提取状态
    fn extract_dom_state(&self, app_id: &str) -> Result<serde_json::Value, Box<dyn std::error::Error>> {
        // 从服务器渲染的 HTML 中提取初始状态
        Ok(serde_json::json!({
            "appId": app_id
        }))
    }
    /// 转换脚本
    fn transform_script(
        &self,
        script: &str,
        script_setup: &str,
    ) -> Result<String, Box<dyn std::error::Error>> {
        // 简化的脚本转换
        let mut transformed = script.to_string();
        if !script_setup.is_empty() {
            transformed.push_str("\n");
            transformed.push_str(script_setup);
        }
        Ok(transformed)
    }
    /// 渲染组件
    fn render_component(&self, component: &ReactiveComponent) -> Result<VueVirtualDom, Box<dyn std::error::Error>> {
        // 简化的渲染逻辑
        let vdom: _ = VueVirtualDom {
            root: VueVNode {
                node_type: VueVNodeType::Element(VueVElement {
                    tag_name: "div".to_string(),
                    props: HashMap::new(),
                    directives: Vec::new(),
                    children: Vec::new(),
                }),
            },
        };
        Ok(vdom)
    }
}
/// Vue 配置
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct VueConfig {
    pub version: String,
    pub runtime_only: bool,
    pub compiler_available: bool,
    pub ssr_enabled: bool,
    pub composition_api: bool,
    pub script_setup: bool,
    pub development_mode: bool,
}
impl Default for VueConfig {
    fn default() -> Self {
        Self {
            version: "3.3.0".to_string(),
            runtime_only: false,
            compiler_available: true,
            ssr_enabled: true,
            composition_api: true,
            script_setup: true,
            development_mode: false,
        }
    }
}
/// Vue 组件
#[derive(Debug, Clone)]
pub struct VueComponent {
    pub name: String,
    pub source_code: String,
    pub props: Vec<String>,
    pub emits: Vec<String>,
}
/// 单文件组件 (SFC)
#[derive(Debug, Clone)]
pub struct SingleFileComponent {
    pub template: String,
    pub script: String,
    pub script_setup: String,
    pub styles: Vec<String>,
    pub title: Option<String>,
    pub meta: HashMap<String, String>,
}
/// 编译后的模板
#[derive(Debug, Clone)]
pub struct CompiledTemplate {
    pub code: String,
    pub ast: Option<serde_json::Value>,
}
/// 响应式数据
#[derive(Debug, Clone)]
pub struct ReactiveData {
    pub data: serde_json::Value,
    pub getters: HashMap<String, String>,
    pub setters: HashMap<String, String>,
}
/// 响应式组件
#[derive(Debug, Clone)]
pub struct ReactiveComponent {
    pub name: String,
    pub data: serde_json::Value,
    pub methods: HashMap<String, String>,
    pub computed: HashMap<String, String>,
    pub watch: HashMap<String, String>,
    pub mount_id: String,
}
/// Vue 虚拟 DOM
#[derive(Debug, Clone)]
pub struct VueVirtualDom {
    pub root: VueVNode,
}
/// Vue 虚拟节点
#[derive(Debug, Clone)]
pub struct VueVNode {
    pub node_type: VueVNodeType,
}
/// Vue 节点类型
#[derive(Debug, Clone)]
pub enum VueVNodeType {
    Text(String),
    Element(VueVElement),
    Fragment(Vec<VueVNode>),
}
/// Vue 虚拟元素
#[derive(Debug, Clone)]
pub struct VueVElement {
    pub tag_name: String,
    pub props: HashMap<String, String>,
    pub directives: Vec<VueDirective>,
    pub children: Vec<VueVNode>,
}
/// Vue 指令
#[derive(Debug, Clone)]
pub struct VueDirective {
    pub name: String,
    pub value: String,
}
/// 模板编译器
#[derive(Debug)]
pub struct TemplateCompiler {
    // 编译器配置
}
impl TemplateCompiler {
    /// 创建新的模板编译器
    pub fn new() -> Self {
        Self {}
    }
    /// 编译模板
    pub fn compile(&self, template: &str) -> Result<CompiledTemplate, Box<dyn std::error::Error>> {
        // 简化的模板编译
        // 实际实现需要完整的 Vue 模板解析器
        let code: _ = format!("const template = `{}`;", template));
        let compiled: _ = CompiledTemplate {
            code,
            ast: None,
        };
        Ok(compiled)
    }
}
/// 响应式系统
#[derive(Debug)]
pub struct ReactiveSystem {
    // 响应式系统状态
}
impl ReactiveSystem {
    /// 创建新的响应式系统
    pub fn new() -> Self {
        Self {}
    }
    /// 创建组件
    pub fn create_component(
        &self,
        template: &CompiledTemplate,
        script: &str,
        props: Option<&serde_json::Value>,
    ) -> Result<ReactiveComponent, Box<dyn std::error::Error>> {
        let component: _ = ReactiveComponent {
            name: "Component".to_string(),
            data: props.cloned().unwrap_or_else(|| serde_json::json!({})),
            methods: HashMap::new(),
            computed: HashMap::new(),
            watch: HashMap::new(),
            mount_id: "app".to_string(),
        };
        Ok(component)
    }
    /// 创建应用实例
    pub fn create_app_instance(
        &self,
        initial_state: &serde_json::Value,
        dom_state: &serde_json::Value,
    ) -> Result<serde_json::Value, Box<dyn std::error::Error>> {
        Ok(serde_json::json!({
            "initialState": initial_state,
            "domState": dom_state
        }))
    }
    /// 挂载应用
    pub fn mount(&self, app_instance: serde_json::Value, mount_id: &str) -> Result<(), Box<dyn std::error::Error>> {
        // 挂载应用到 DOM
        Ok(())
    }
    /// 创建响应式数据
    pub fn create_reactive(&self, data: &serde_json::Value) -> Result<ReactiveData, Box<dyn std::error::Error>> {
        Ok(ReactiveData {
            data: data.clone(),
            getters: HashMap::new(),
            setters: HashMap::new(),
        })
    }
}
/// SFC 解析器
#[derive(Debug)]
pub struct SfcParser {
    // 解析器配置
}
impl SfcParser {
    /// 创建新的 SFC 解析器
    pub fn new() -> Self {
        Self {}
    }
    /// 解析 SFC 文件
    pub fn parse_sfc(&self, source: &str) -> Result<SingleFileComponent, Box<dyn std::error::Error>> {
        // 简化的 SFC 解析
        let sfc: _ = SingleFileComponent {
            template: self.extract_template(source)?,
            script: self.extract_script(source)?,
            script_setup: self.extract_script_setup(source)?,
            styles: self.extract_styles(source)?,
            title: self.extract_title(source),
            meta: self.extract_meta(source)?,
        };
        Ok(sfc)
    }
    /// 提取模板
    fn extract_template(&self, source: &str) -> Result<String, Box<dyn std::error::Error>> {
        if let Some(start) = source.find("<template>") {
            if let Some(end) = source.find("</template>") {
                return Ok(source[start + 10..end].to_string());
            }
        }
        Ok("<div></div>".to_string())
    }
    /// 提取脚本
    fn extract_script(&self, source: &str) -> Result<String, Box<dyn std::error::Error>> {
        if let Some(start) = source.find("<script") {
            if let Some(end) = source.find("</script>") {
                let script_content: _ = &source[start..end];
                if let Some(code_start) = script_content.find('>') {
                    return Ok(script_content[code_start + 1..].to_string());
                }
            }
        }
        Ok("export default {};".to_string())
    }
    /// 提取 setup 脚本
    fn extract_script_setup(&self, source: &str) -> Result<String, Box<dyn std::error::Error>> {
        if let Some(start) = source.find("<script setup>") {
            if let Some(end) = source.find("</script>") {
                return Ok(source[start + 14..end].to_string());
            }
        }
        Ok(String::new())
    }
    /// 提取样式
    fn extract_styles(&self, source: &str) -> Result<Vec<String>, Box<dyn std::error::Error>> {
        let mut styles = Vec::new();
        let mut start = 0;
        while let Some(style_start) = source[start..].find("<style") {
            let actual_start: _ = start + style_start;
            if let Some(style_end) = source[actual_start..].find("</style>") {
                let style_content: _ = &source[actual_start..actual_start + style_end];
                styles.push(style_content.to_string());
                start = actual_start + style_end + 8;
            } else {
                break;
            }
        }
        Ok(styles)
    }
    /// 提取标题
    fn extract_title(&self, source: &str) -> Option<String> {
        // 简化的标题提取
        None
    }
    /// 提取元数据
    fn extract_meta(&self, source: &str) -> Result<HashMap<String, String>, Box<dyn std::error::Error>> {
        // 简化的元数据提取
        Ok(HashMap::new())
    }
}
/// 组件解析器
#[derive(Debug)]
pub struct ComponentResolver {
    global_components: HashMap<String, VueComponent>,
}
impl ComponentResolver {
    /// 创建新的组件解析器
    pub fn new() -> Self {
        Self {
            global_components: HashMap::new(),
        }
    }
    /// 注册全局组件
    pub fn register_global(&mut self, name: String, component: VueComponent) {
        self.global_components.insert(name, component);
    }
    /// 解析组件
    pub fn resolve(&self, name: &str) -> Option<&VueComponent> {
        self.global_components.get(name)
    }
}