oximedia-conform 0.1.1

//! XML importer for Final Cut Pro, Premiere, and Resolve timelines.

use crate::error::{ConformError, ConformResult};
use crate::importers::TimelineImporter;
use crate::types::ClipReference;
use std::path::Path;

/// XML importer for various NLE formats.
pub struct XmlImporter {
    /// XML format type.
    format: XmlFormat,
}

/// XML format type.
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum XmlFormat {
    /// Final Cut Pro XML.
    FcpXml,
    /// Adobe Premiere Pro XML.
    PremiereXml,
    /// `DaVinci` Resolve XML.
    ResolveXml,
    /// Auto-detect format.
    Auto,
}

impl XmlImporter {
    /// Create a new XML importer with the specified format.
    #[must_use]
    pub const fn new(format: XmlFormat) -> Self {
        Self { format }
    }

    /// Detect XML format from content.
    fn detect_format(_content: &str) -> XmlFormat {
        // Placeholder: would analyze XML structure to detect format
        XmlFormat::FcpXml
    }

    /// Parse Final Cut Pro XML.
    fn parse_fcpxml(&self, _content: &str) -> ConformResult<Vec<ClipReference>> {
        // Placeholder implementation
        // Real implementation would parse FCPXML structure
        Ok(Vec::new())
    }

    /// Parse Premiere XML.
    fn parse_premiere_xml(&self, _content: &str) -> ConformResult<Vec<ClipReference>> {
        // Placeholder implementation
        // Real implementation would parse Premiere XML structure
        Ok(Vec::new())
    }

    /// Parse Resolve XML.
    fn parse_resolve_xml(&self, _content: &str) -> ConformResult<Vec<ClipReference>> {
        // Placeholder implementation
        // Real implementation would parse Resolve XML structure
        Ok(Vec::new())
    }
}

impl Default for XmlImporter {
    fn default() -> Self {
        Self::new(XmlFormat::Auto)
    }
}

impl TimelineImporter for XmlImporter {
    fn import<P: AsRef<Path>>(&self, path: P) -> ConformResult<Vec<ClipReference>> {
        let content = std::fs::read_to_string(path)?;

        let format = if self.format == XmlFormat::Auto {
            Self::detect_format(&content)
        } else {
            self.format
        };

        match format {
            XmlFormat::FcpXml => self.parse_fcpxml(&content),
            XmlFormat::PremiereXml => self.parse_premiere_xml(&content),
            XmlFormat::ResolveXml => self.parse_resolve_xml(&content),
            XmlFormat::Auto => Err(ConformError::UnsupportedFormat(
                "Could not auto-detect XML format".to_string(),
            )),
        }
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_xml_importer_creation() {
        let importer = XmlImporter::new(XmlFormat::FcpXml);
        assert_eq!(importer.format, XmlFormat::FcpXml);
    }

    #[test]
    fn test_xml_importer_default() {
        let importer = XmlImporter::default();
        assert_eq!(importer.format, XmlFormat::Auto);
    }
}