// THIS FILE IS AUTOGENERATED.
// Any changes to this file will be overwritten.
// For more information about how codegen works, see font-codegen/README.md

#[allow(unused_imports)]
use crate::codegen_prelude::*;

impl<'a> MinByteRange<'a> for Hhea<'a> {
    fn min_byte_range(&self) -> Range<usize> {
        0..self.number_of_h_metrics_byte_range().end
    }
    fn min_table_bytes(&self) -> &'a [u8] {
        let range = self.min_byte_range();
        self.data.as_bytes().get(range).unwrap_or_default()
    }
}

impl TopLevelTable for Hhea<'_> {
    /// `hhea`
    const TAG: Tag = Tag::new(b"hhea");
}

impl<'a> FontRead<'a> for Hhea<'a> {
    fn read(data: FontData<'a>) -> Result<Self, ReadError> {
        #[allow(clippy::absurd_extreme_comparisons)]
        if data.len() < Self::MIN_SIZE {
            return Err(ReadError::OutOfBounds);
        }
        Ok(Self { data })
    }
}

/// [hhea](https://docs.microsoft.com/en-us/typography/opentype/spec/hhea) Horizontal Header Table
#[derive(Clone)]
pub struct Hhea<'a> {
    data: FontData<'a>,
}

#[allow(clippy::needless_lifetimes)]
impl<'a> Hhea<'a> {
    pub const MIN_SIZE: usize = (MajorMinor::RAW_BYTE_LEN
        + FWord::RAW_BYTE_LEN
        + FWord::RAW_BYTE_LEN
        + FWord::RAW_BYTE_LEN
        + UfWord::RAW_BYTE_LEN
        + FWord::RAW_BYTE_LEN
        + FWord::RAW_BYTE_LEN
        + FWord::RAW_BYTE_LEN
        + i16::RAW_BYTE_LEN
        + i16::RAW_BYTE_LEN
        + i16::RAW_BYTE_LEN
        + i16::RAW_BYTE_LEN
        + i16::RAW_BYTE_LEN
        + i16::RAW_BYTE_LEN
        + i16::RAW_BYTE_LEN
        + i16::RAW_BYTE_LEN
        + u16::RAW_BYTE_LEN);
    basic_table_impls!(impl_the_methods);

    /// The major/minor version (1, 0)
    pub fn version(&self) -> MajorMinor {
        let range = self.version_byte_range();
        self.data.read_at(range.start).ok().unwrap()
    }

    /// Typographic ascent.
    pub fn ascender(&self) -> FWord {
        let range = self.ascender_byte_range();
        self.data.read_at(range.start).ok().unwrap()
    }

    /// Typographic descent.
    pub fn descender(&self) -> FWord {
        let range = self.descender_byte_range();
        self.data.read_at(range.start).ok().unwrap()
    }

    /// Typographic line gap. Negative LineGap values are treated as
    /// zero in some legacy platform implementations.
    pub fn line_gap(&self) -> FWord {
        let range = self.line_gap_byte_range();
        self.data.read_at(range.start).ok().unwrap()
    }

    /// Maximum advance width value in 'hmtx' table.
    pub fn advance_width_max(&self) -> UfWord {
        let range = self.advance_width_max_byte_range();
        self.data.read_at(range.start).ok().unwrap()
    }

    /// Minimum left sidebearing value in 'hmtx' table for glyphs with
    /// contours (empty glyphs should be ignored).
    pub fn min_left_side_bearing(&self) -> FWord {
        let range = self.min_left_side_bearing_byte_range();
        self.data.read_at(range.start).ok().unwrap()
    }

    /// Minimum right sidebearing value; calculated as min(aw - (lsb +
    /// xMax - xMin)) for glyphs with contours (empty glyphs should be ignored).
    pub fn min_right_side_bearing(&self) -> FWord {
        let range = self.min_right_side_bearing_byte_range();
        self.data.read_at(range.start).ok().unwrap()
    }

    /// Max(lsb + (xMax-xMin))
    pub fn x_max_extent(&self) -> FWord {
        let range = self.x_max_extent_byte_range();
        self.data.read_at(range.start).ok().unwrap()
    }

    /// Used to calculate the slope of the cursor (rise/run); 1 for
    /// vertical caret, 0 for horizontal.
    pub fn caret_slope_rise(&self) -> i16 {
        let range = self.caret_slope_rise_byte_range();
        self.data.read_at(range.start).ok().unwrap()
    }

    /// 0 for vertical caret, 1 for horizontal.
    pub fn caret_slope_run(&self) -> i16 {
        let range = self.caret_slope_run_byte_range();
        self.data.read_at(range.start).ok().unwrap()
    }

    /// The amount by which a slanted highlight on a glyph needs to be
    /// shifted to produce the best appearance. Set to 0 for
    /// non-slanted fonts
    pub fn caret_offset(&self) -> i16 {
        let range = self.caret_offset_byte_range();
        self.data.read_at(range.start).ok().unwrap()
    }

    /// 0 for current format.
    pub fn metric_data_format(&self) -> i16 {
        let range = self.metric_data_format_byte_range();
        self.data.read_at(range.start).ok().unwrap()
    }

    /// Number of hMetric entries in 'hmtx' table
    pub fn number_of_h_metrics(&self) -> u16 {
        let range = self.number_of_h_metrics_byte_range();
        self.data.read_at(range.start).ok().unwrap()
    }

    pub fn version_byte_range(&self) -> Range<usize> {
        let start = 0;
        start..start + MajorMinor::RAW_BYTE_LEN
    }

    pub fn ascender_byte_range(&self) -> Range<usize> {
        let start = self.version_byte_range().end;
        start..start + FWord::RAW_BYTE_LEN
    }

    pub fn descender_byte_range(&self) -> Range<usize> {
        let start = self.ascender_byte_range().end;
        start..start + FWord::RAW_BYTE_LEN
    }

    pub fn line_gap_byte_range(&self) -> Range<usize> {
        let start = self.descender_byte_range().end;
        start..start + FWord::RAW_BYTE_LEN
    }

    pub fn advance_width_max_byte_range(&self) -> Range<usize> {
        let start = self.line_gap_byte_range().end;
        start..start + UfWord::RAW_BYTE_LEN
    }

    pub fn min_left_side_bearing_byte_range(&self) -> Range<usize> {
        let start = self.advance_width_max_byte_range().end;
        start..start + FWord::RAW_BYTE_LEN
    }

    pub fn min_right_side_bearing_byte_range(&self) -> Range<usize> {
        let start = self.min_left_side_bearing_byte_range().end;
        start..start + FWord::RAW_BYTE_LEN
    }

    pub fn x_max_extent_byte_range(&self) -> Range<usize> {
        let start = self.min_right_side_bearing_byte_range().end;
        start..start + FWord::RAW_BYTE_LEN
    }

    pub fn caret_slope_rise_byte_range(&self) -> Range<usize> {
        let start = self.x_max_extent_byte_range().end;
        start..start + i16::RAW_BYTE_LEN
    }

    pub fn caret_slope_run_byte_range(&self) -> Range<usize> {
        let start = self.caret_slope_rise_byte_range().end;
        start..start + i16::RAW_BYTE_LEN
    }

    pub fn caret_offset_byte_range(&self) -> Range<usize> {
        let start = self.caret_slope_run_byte_range().end;
        start..start + i16::RAW_BYTE_LEN
    }

    pub fn reserved1_byte_range(&self) -> Range<usize> {
        let start = self.caret_offset_byte_range().end;
        start..start + i16::RAW_BYTE_LEN
    }

    pub fn reserved2_byte_range(&self) -> Range<usize> {
        let start = self.reserved1_byte_range().end;
        start..start + i16::RAW_BYTE_LEN
    }

    pub fn reserved3_byte_range(&self) -> Range<usize> {
        let start = self.reserved2_byte_range().end;
        start..start + i16::RAW_BYTE_LEN
    }

    pub fn reserved4_byte_range(&self) -> Range<usize> {
        let start = self.reserved3_byte_range().end;
        start..start + i16::RAW_BYTE_LEN
    }

    pub fn metric_data_format_byte_range(&self) -> Range<usize> {
        let start = self.reserved4_byte_range().end;
        start..start + i16::RAW_BYTE_LEN
    }

    pub fn number_of_h_metrics_byte_range(&self) -> Range<usize> {
        let start = self.metric_data_format_byte_range().end;
        start..start + u16::RAW_BYTE_LEN
    }
}

#[cfg(feature = "experimental_traverse")]
impl<'a> SomeTable<'a> for Hhea<'a> {
    fn type_name(&self) -> &str {
        "Hhea"
    }
    fn get_field(&self, idx: usize) -> Option<Field<'a>> {
        match idx {
            0usize => Some(Field::new("version", self.version())),
            1usize => Some(Field::new("ascender", self.ascender())),
            2usize => Some(Field::new("descender", self.descender())),
            3usize => Some(Field::new("line_gap", self.line_gap())),
            4usize => Some(Field::new("advance_width_max", self.advance_width_max())),
            5usize => Some(Field::new(
                "min_left_side_bearing",
                self.min_left_side_bearing(),
            )),
            6usize => Some(Field::new(
                "min_right_side_bearing",
                self.min_right_side_bearing(),
            )),
            7usize => Some(Field::new("x_max_extent", self.x_max_extent())),
            8usize => Some(Field::new("caret_slope_rise", self.caret_slope_rise())),
            9usize => Some(Field::new("caret_slope_run", self.caret_slope_run())),
            10usize => Some(Field::new("caret_offset", self.caret_offset())),
            11usize => Some(Field::new("metric_data_format", self.metric_data_format())),
            12usize => Some(Field::new(
                "number_of_h_metrics",
                self.number_of_h_metrics(),
            )),
            _ => None,
        }
    }
}

#[cfg(feature = "experimental_traverse")]
#[allow(clippy::needless_lifetimes)]
impl<'a> std::fmt::Debug for Hhea<'a> {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        (self as &dyn SomeTable<'a>).fmt(f)
    }
}
