// Copyright (c) the JPEG XL Project Authors. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

use std::collections::TryReserveError;

use thiserror::Error;

use crate::{
    api::{JxlColorType, JxlDataFormat},
    entropy_coding::huffman::HUFFMAN_MAX_BITS,
    features::spline::Point,
    image::DataTypeTag,
};

#[derive(Error, Debug)]
#[non_exhaustive]
pub enum Error {
    #[error("Invalid raw quantization table")]
    InvalidRawQuantTable,
    #[error("Invalid distance band {0}: {1}")]
    InvalidDistanceBand(usize, f32),
    #[error("Invalid AFV bands")]
    InvalidAFVBands,
    #[error("Invalid quantization table weight: {0}")]
    InvalidQuantizationTableWeight(f32),
    #[error("Read out of bounds; size hint: {0}")]
    OutOfBounds(usize),
    #[error("Section is too short")]
    SectionTooShort,
    #[error("Non-zero padding bits")]
    NonZeroPadding,
    #[error("Invalid signature")]
    InvalidSignature,
    #[error("Invalid exponent_bits_per_sample: {0}")]
    InvalidExponent(u32),
    #[error("Invalid mantissa_bits: {0}")]
    InvalidMantissa(i32),
    #[error("Invalid bits_per_sample: {0}")]
    InvalidBitsPerSample(u32),
    #[error("Invalid enum value {0} for {1}")]
    InvalidEnum(u32, String),
    #[error("Value of dim_shift {0} is too large")]
    DimShiftTooLarge(u32),
    #[error("Float is NaN or Inf")]
    FloatNaNOrInf,
    #[error("Invalid gamma value: {0}")]
    InvalidGamma(f32),
    #[error("Invalid color encoding: no ICC and unknown TF / ColorSpace")]
    InvalidColorEncoding,
    #[error("Invalid color space: should be one of RGB, Gray or XYB")]
    InvalidColorSpace,
    #[error("Only perceptual rendering intent implemented for XYB ICC profile.")]
    InvalidRenderingIntent,
    #[error("Invalid intensity_target: {0}")]
    InvalidIntensityTarget(f32),
    #[error("Invalid min_nits: {0}")]
    InvalidMinNits(f32),
    #[error("Invalid linear_below {1}, relative_to_max_display is {0}")]
    InvalidLinearBelow(bool, f32),
    #[error("Overflow when computing a bitstream size")]
    SizeOverflow,
    #[error("Invalid ISOBMMF container")]
    InvalidBox,
    #[error("ICC is too large")]
    IccTooLarge,
    #[error("Invalid ICC stream: unexpected end of stream")]
    IccEndOfStream,
    #[error("Invalid ICC stream")]
    InvalidIccStream,
    #[error("Invalid HybridUintConfig: {0} {1} {2:?}")]
    InvalidUintConfig(u32, u32, Option<u32>),
    #[error("LZ77 enabled when explicitly disallowed")]
    Lz77Disallowed,
    #[error("LZ77 repeat symbol encountered without decoding any symbols")]
    UnexpectedLz77Repeat,
    #[error("Huffman alphabet too large: {0}, max is {max}", max = 1 << HUFFMAN_MAX_BITS)]
    AlphabetTooLargeHuff(usize),
    #[error("Invalid Huffman code")]
    InvalidHuffman,
    #[error("Invalid ANS histogram")]
    InvalidAnsHistogram,
    #[error("ANS stream checksum mismatch")]
    AnsChecksumMismatch,
    #[error("Integer too large: nbits {0} > 29")]
    IntegerTooLarge(u32),
    #[error("Invalid context map: context id {0} > 255")]
    InvalidContextMap(u32),
    #[error("Invalid context map: number of histogram {0}, number of distinct histograms {1}")]
    InvalidContextMapHole(u32, u32),
    #[error(
        "Invalid permutation: skipped elements {skip} and encoded elements {end} don't fit in permutation of size {size}"
    )]
    InvalidPermutationSize { size: u32, skip: u32, end: u32 },
    #[error(
        "Invalid permutation: Lehmer code {lehmer} out of bounds in permutation of size {size} at index {idx}"
    )]
    InvalidPermutationLehmerCode { size: u32, idx: u32, lehmer: u32 },
    #[error("Invalid quant encoding mode")]
    InvalidQuantEncodingMode,
    #[error("Invalid quant encoding with mode {mode} and required size {required_size}")]
    InvalidQuantEncoding { mode: u8, required_size: usize },
    // FrameHeader format errors
    #[error("Invalid extra channel upsampling: upsampling: {0} dim_shift: {1} ec_upsampling: {2}")]
    InvalidEcUpsampling(u32, u32, u32),
    #[error("Invalid lf level in UseLFFrame frame: {0}")]
    InvalidLfLevel(u32),
    #[error("Num_ds: {0} should be smaller than num_passes: {1}")]
    NumPassesTooLarge(u32, u32),
    #[error("Passes::downsample is non-decreasing")]
    PassesDownsampleNonDecreasing,
    #[error("Passes::last_pass is non-increasing")]
    PassesLastPassNonIncreasing,
    #[error("Passes::last_pass has too large elements")]
    PassesLastPassTooLarge,
    #[error("Non-patch reference frame with a crop")]
    NonPatchReferenceWithCrop,
    #[error("Non-444 chroma subsampling is not allowed when adaptive DC smoothing is enabled")]
    Non444ChromaSubsampling,
    #[error("Non-444 chroma subsampling is not allowed for bigger than 8x8 transforms")]
    InvalidBlockSizeForChromaSubsampling,
    #[error("Out of memory: {0}")]
    OutOfMemory(#[from] TryReserveError),
    #[error("Out of memory when allocating image of byte size {0}x{1}")]
    ImageOutOfMemory(usize, usize),
    #[error("Image size too large: {0}x{1}")]
    ImageSizeTooLarge(usize, usize),
    #[error("Image dimension too large: {0}")]
    ImageDimensionTooLarge(u64),
    #[error("Invalid image size: {0}x{1}")]
    InvalidImageSize(usize, usize),
    // Generic arithmetic overflow. Prefer using other errors if possible.
    #[error("Arithmetic overflow")]
    ArithmeticOverflow,
    #[error("Empty frame sequence")]
    NoFrames,
    #[error(
        "Pipeline channel type mismatch: stage {0} channel {1}, expected {2:?} but found {3:?}"
    )]
    PipelineChannelTypeMismatch(String, usize, DataTypeTag, DataTypeTag),
    #[error("Invalid stage {0} after extend stage")]
    PipelineInvalidStageAfterExtend(String),
    #[error("Channel {0} was not used in the render pipeline")]
    PipelineChannelUnused(usize),
    #[error("Trying to copy rects of different size, src: {0}x{1} dst {2}x{3}")]
    CopyOfDifferentSize(usize, usize, usize, usize),
    #[error("LF quantization factor is too small: {0}")]
    LfQuantFactorTooSmall(f32),
    #[error("HF quantization factor is too small: {0}")]
    HfQuantFactorTooSmall(f32),
    #[error("Invalid modular mode predictor: {0}")]
    InvalidPredictor(u32),
    #[error("Invalid modular mode property: {0}")]
    InvalidProperty(u32),
    #[error("Invalid alpha channel for blending: {0}, limit is {1}")]
    InvalidBlendingAlphaChannel(usize, usize),
    #[error("Invalid alpha channel for blending: {0}, limit is {1}")]
    PatchesInvalidAlphaChannel(usize, usize),
    #[error("Invalid patch blend mode: {0}, limit is {1}")]
    PatchesInvalidBlendMode(u8, u8),
    #[error("Invalid Patch: negative {0}-coordinate: {1} base {0},  {2} delta {0}")]
    PatchesInvalidDelta(String, usize, i32),
    #[error(
        "Invalid position specified in reference frame in {0}-coordinate: {0}0 + {0}size = {1} + {2} > {3} = reference_frame {0}size"
    )]
    PatchesInvalidPosition(String, usize, usize, usize),
    #[error("Patches invalid reference frame at index {0}")]
    PatchesInvalidReference(usize),
    #[error("Invalid Patch {0}: at {1} + {2} > {3}")]
    PatchesOutOfBounds(String, usize, usize, usize),
    #[error("Patches cannot use frames saved post color transforms")]
    PatchesPostColorTransform(),
    #[error("Too many {0}: {1}, limit is {2}")]
    PatchesTooMany(String, usize, usize),
    #[error("Reference too large: {0}, limit is {1}")]
    PatchesRefTooLarge(usize, usize),
    #[error("Point list is empty")]
    PointListEmpty,
    #[error("Too large area for spline: {0}, limit is {1}")]
    SplinesAreaTooLarge(u64, u64),
    #[error("Too large manhattan_distance reached: {0}, limit is {1}")]
    SplinesDistanceTooLarge(u64, u64),
    #[error("Too many splines: {0}, limit is {1}")]
    SplinesTooMany(u32, u32),
    #[error("Spline has adjacent coinciding control points: point[{0}]: {1:?}, point[{2}]: {3:?}")]
    SplineAdjacentCoincidingControlPoints(usize, Point, usize, Point),
    #[error("Too many control points for splines: {0}, limit is {1}")]
    SplinesTooManyControlPoints(u32, u32),
    #[error(
        "Spline point outside valid bounds: coordinates: {0:?}, out of bounds: {1}, bounds: {2:?}"
    )]
    SplinesPointOutOfRange(Point, i32, std::ops::Range<i32>),
    #[error("Spline coordinates out of bounds: {0}, limit is {1}")]
    SplinesCoordinatesLimit(isize, isize),
    #[error("Spline delta-delta is out of bounds: {0}, limit is {1}")]
    SplinesDeltaLimit(i64, i64),
    #[error("Modular tree too large: {0}, limit is {1}")]
    TreeTooLarge(usize, usize),
    #[error("Modular tree too tall: {0}, limit is {1}")]
    TreeTooTall(usize, usize),
    #[error("Modular tree multiplier too large: {0}, limit is {1}")]
    TreeMultiplierTooLarge(u32, u32),
    #[error("Modular tree multiplier too large: {0}, multiplier log is {1}")]
    TreeMultiplierBitsTooLarge(u32, u32),
    #[error(
        "Modular tree splits on property {0} at value {1}, which is outside the possible range of [{2}, {3}]"
    )]
    TreeSplitOnEmptyRange(u8, i32, i32, i32),
    #[error("Modular stream requested a global tree but there isn't one")]
    NoGlobalTree,
    #[error("Invalid transform id")]
    InvalidTransformId,
    #[error("Invalid RCT type {0}")]
    InvalidRCT(u32),
    #[error("Invalid channel range: {0}..{1}, {2} total channels")]
    InvalidChannelRange(usize, usize, usize),
    #[error("Invalid transform: mixing different channels (different shape or different shift)")]
    MixingDifferentChannels,
    #[error("Invalid transform: squeezing meta-channels needs an in-place transform")]
    MetaSqueezeRequiresInPlace,
    #[error("Invalid transform: too many squeezes (shift > 30)")]
    TooManySqueezes,
    #[error("Invalid BlockConextMap: too big: num_lf_context: {0}, num_qf_thresholds: {1}")]
    BlockContextMapSizeTooBig(usize, usize),
    #[error("Invalid BlockConextMap: too many distinct contexts.")]
    TooManyBlockContexts,
    #[error("Base color correlation out of range.")]
    BaseColorCorrelationOutOfRange,
    #[error("Invalid EPF sharpness param {0}")]
    InvalidEpfValue(i32),
    #[error("Invalid VarDCT transform type {0}")]
    InvalidVarDCTTransform(usize),
    #[error("Invalid VarDCT transform map")]
    InvalidVarDCTTransformMap,
    #[error("VarDCT transform overflows HF group")]
    HFBlockOutOfBounds,
    #[error("Invalid AC: nonzeros {0} is too large for {1} 8x8 blocks")]
    InvalidNumNonZeros(usize, usize),
    #[error("Invalid AC: {0} nonzeros after decoding block")]
    EndOfBlockResidualNonZeros(usize),
    #[error("Unknown transfer function for ICC profile")]
    TransferFunctionUnknown,
    #[error("Attempting to write out of Bounds when writing ICC")]
    IccWriteOutOfBounds,
    #[error("Invalid tag string when writing ICC: {0}")]
    IccInvalidTagString(String),
    #[error("Invalid text for ICC MLuc string, not ascii: {0}")]
    IccMlucTextNotAscii(String),
    #[error("ICC value is out of range / NaN: {0}")]
    IccValueOutOfRangeS15Fixed16(f32),
    #[error("Y value is too small: {0}")]
    IccInvalidWhitePointY(f32),
    #[error("{2}: wx: {0}, wy: {1}")]
    IccInvalidWhitePoint(f32, f32, String),
    #[error("Determinant is zero or too small, matrix is close to singular: |det| = {0}.")]
    MatrixInversionFailed(f64),
    #[error("Unsupported transfer function when writing ICC")]
    IccUnsupportedTransferFunction,
    #[error("Table size too large when writing ICC: {0}")]
    IccTableSizeExceeded(usize),
    #[error("Invalid CMS configuration: requested ICC but no CMS is configured")]
    ICCOutputNoCMS,
    #[error("Non-XYB image requires CMS to convert to different output color profile")]
    NonXybOutputNoCMS,
    #[error("I/O error: {0}")]
    IOError(#[from] std::io::Error),
    #[error("Wrong buffer count: {0} buffers given, {1} buffers expected")]
    WrongBufferCount(usize, usize),
    #[error("Image is not grayscale, but grayscale output was requested")]
    NotGrayscale,
    #[error("Invalid output buffer byte size {0}x{1} for {2}x{3} image with type {4:?} {5:?}")]
    InvalidOutputBufferSize(usize, usize, usize, usize, JxlColorType, JxlDataFormat),
    #[error("Attempting to save channels with different downsample amounts: {0:?} and {1:?}")]
    SaveDifferentDownsample((u8, u8), (u8, u8)),
    #[error("Image has {0} extra channels, more than the maximum of 256")]
    TooManyExtraChannels(usize),
    #[error(
        "CMS transform increases channel count from {in_channels} to {out_channels}, which is not supported"
    )]
    CmsChannelCountIncrease {
        in_channels: usize,
        out_channels: usize,
    },
    #[error(
        "Cannot output extra channel {channel_index} ({channel_type:?}): it was consumed by CMS color conversion"
    )]
    CmsConsumedChannelRequested {
        channel_index: usize,
        channel_type: String,
    },
    #[error("CMS error: {0}")]
    CmsError(String),
}

pub type Result<T, E = Error> = std::result::Result<T, E>;