//! Helpers shared by the container tests.
#![allow(dead_code)]

/// The generated fixtures (own test data, see ATTRIBUTION.md).
pub const FIXTURES: &[&str] = &[
    "000-base.aep",
    "001-empty.aep",
    "010-layer-name.aep",
    "012-layer-shy.aep",
    "013-layer-locked.aep",
    "014-layer-solo.aep",
    "015-layer-3d.aep",
    "016-layer-blend-multiply.aep",
    "017-layer-motionblur.aep",
    "018-layer-stretch200.aep",
    "019-layer-inpoint1.aep",
    "021-layer-starttime0.5.aep",
    "022-layer-parent-null.aep",
    "023-layer-quality-draft.aep",
    "024-layer-collapse.aep",
    "025-layer-adjustment.aep",
    "026-layer-guide.aep",
    "030-comp-size-1280x720.aep",
    "031-comp-fps30.aep",
    "032-comp-duration10.aep",
    "033-comp-bg-green.aep",
    "034-comp-shutter90.aep",
    "035-comp-workarea-1-2.aep",
    "037-comp-pixelaspect2.aep",
    "038-comp-motionblur.aep",
    "039-comp-renderer-advanced3d.aep",
    "040-static-position-100-200.aep",
    "041-static-scale-50.aep",
    "042-static-rotation-45.aep",
    "043-static-opacity-25.aep",
    "044-static-anchor-10-20.aep",
    "052-key-position-2key-ease.aep",
    "053-key-position-2key-hold-key1.aep",
    "054-key-position-2key-spatial-bezier.aep",
    "055-key-position-3key-inserted-t2.5.aep",
    "056-key-position-3key-roving-key2.aep",
    "057-key-position-3key-label9-key2.aep",
    "058-key-opacity-2key.aep",
    "060-expr-opacity-wiggle.aep",
    "071-fx-slider-value77.aep",
    "073-fx-color-0.2-0.6-1.aep",
    "077-fx-dropdown-default.aep",
    "080-fx-dropshadow-default.aep",
    "090-mask-rect.aep",
    "091-mask-rect-props.aep",
    "093-mask-path-2keys.aep",
    "110-text-A.aep",
    "113-text-Hello-size60-fillorange.aep",
    "122-marker-comp-1s.aep",
    "123-marker-layer-1s.aep",
    "124-precomp-Pre.aep",
    "126-footage-png-layer.aep",
    "202-key-out-hold-in-linear.aep",
    "203-key-in-hold-out-linear.aep",
    "204-key-ease-asymmetric.aep",
    "205-key-opacity-ease-asymmetric.aep",
    "206-key-scale-2key-linear.aep",
    "208-key-mask-feather-2key-linear.aep",
    "210-key-fill-color-2key-linear.aep",
    "211-anchor-100x100-solid-10-20.aep",
    "212-anchor-400x300-solid-100-50.aep",
    "213-expr-opacity-wiggle-disabled.aep",
    "214-fx-gaussianblur-default.aep",
    "215-fx-fill-default.aep",
    "216-fx-gaussianblur-40.aep",
    "217-fx-checkbox-on.aep",
    "218-fx-point-111-222.aep",
    "219-fx-angle-90.aep",
    "220-fx-layercontrol-to-layer1.aep",
    "221-fx-slider-2key.aep",
    "222-layer-video-off.aep",
    "223-layer-audio-off.aep",
    "224-layer-effects-off.aep",
    "225-layer-blend-screen.aep",
    "226-layer-blend-add.aep",
    "227-layer-blend-overlay.aep",
    "228-layer-blend-difference.aep",
    "229-comp-fps-29.97.aep",
    "230-comp-fps-23.976.aep",
    "231-comp-bg-grey-0.5.aep",
    "232-mask-ellipse.aep",
    "233-mask-open-path.aep",
    "234-mask-mode-intersect.aep",
    "235-mask-mode-lighten.aep",
    "236-mask-mode-darken.aep",
    "237-mask-mode-difference.aep",
    "238-shape-rect-rounded-corners.aep",
    "239-shape-stroke-green-w8-round.aep",
    "240-shape-custom-path-tangents.aep",
    "241-shape-gradient-fill-linear.aep",
    "242-shape-group-position-50-50.aep",
    "243-text-multiline-A-CR-B.aep",
    "245-text-box-400x200-Hello.aep",
    "246-text-box-center-align.aep",
    "247-text-tracking-100.aep",
    "248-text-range-fill-red-1-3.aep",
    "249-marker-layer-full.aep",
    "251-camera-one-node.aep",
    "252-light-point.aep",
    "253-camera-position-100-200-m1000.aep",
    "254-light-spot-intensity-50.aep",
    "256-camera-two-node-default.aep",
    "259-solid-blue-0-0-1.aep",
    "299-save-noise.aep",
    "300-fx-gaussianblur-0-explicit.aep",
    "301-fx-gaussianblur-40-then-25.aep",
    "302-fx-fill-opacity-100-explicit.aep",
    "303-fx-fill-opacity-50-then-100.aep",
    "304-fx-slider-0-explicit.aep",
    "305-key-scale-bezier-ease.aep",
    "306-key-maskfeather-bezier-ease.aep",
    "307-key-fillcolor-bezier.aep",
    "309-solid-100x100-mask-rect.aep",
    "310-solid-100x100-pointcontrol.aep",
    "311-position-default-explicit.aep",
    "316-layer-stretch50.aep",
    "317-layer-stretch150.aep",
    "318-layer-inpoint-0.3333.aep",
    "319-precomp-timeremap.aep",
    "320-fx-layercontrol-self-explicit.aep",
    "321-fx-layercontrol-none.aep",
    "323-fx-dropdown-5items.aep",
    "324-fx-dropdown-5items-select3.aep",
    "325-comp-pixelaspect-0.9091.aep",
    "326-comp-shutterphase-m90.aep",
    "327-comp-displaystartframe-100.aep",
    "328-mask-two-ellipse-rect.aep",
    "329-mask-ellipse-mode-none.aep",
    "330-shape-polystar-star-5-50-100.aep",
    "331-shape-polystar-polygon-5-100.aep",
    "332-shape-gradient-fill-radial.aep",
    "333-shape-group-two-rects.aep",
    "334-text-box-right-align.aep",
    "335-text-point-fauxbold.aep",
    "336-text-point-fauxitalic.aep",
    "337-text-point-allcaps.aep",
    "338-text-point-smallcaps.aep",
    "339-text-point-leading60.aep",
    "340-text-range-two-styles.aep",
    "341-camera-zoom-2000.aep",
    "342-camera-dof-800-30.aep",
    "343-light-spot-color-red.aep",
    "344-light-spot-coneangle-60.aep",
    "345-light-spot-conefeather-30.aep",
    "347-marker-layer-label3.aep",
    "348-marker-layer-navigation-cue.aep",
    "349-marker-layer-event-cue-params.aep",
    "350-footage-wav-imported.aep",
    "351-footage-wav-as-layer.aep",
    "352-footage-pngseq-imported.aep",
    "354-footage-pngseq-timeremap.aep",
    "356-fx-tint-default.aep",
    "357-fx-tint-black-0.2-0.4-0.6.aep",
    "361-fx-tint-amount-0.aep",
    "363-fx-tint-amount-2key.aep",
    "364-fx-tint-white-2key.aep",
    "366-fx-blur-then-tint.aep",
    "368-fx-ramp-default.aep",
    "369-fx-ramp-start-100-200.aep",
    "371-fx-ramp-startcolor-red.aep",
    "374-fx-ramp-end-2000-m100.aep",
    "377-fx-ramp-shape-radial.aep",
    "378-fx-ramp-scatter-12.aep",
    "380-fx-ramp-blend-25pct.aep",
    "382-fx-ramp-start-2key.aep",
    "383-fx-ramp-on-100x100-start-10-20.aep",
    "389-fx-exposure-default.aep",
    "390-fx-exposure-channels-individual.aep",
    "391-fx-exposure-master-1.5.aep",
    "393-fx-exposure-offset-0.1.aep",
    "394-fx-exposure-gamma-2.2.aep",
    "395-fx-exposure-individual-red-1.aep",
    "396-fx-exposure-bypass-on.aep",
    "397-fx-exposure-master-2key.aep",
    "403-matte-L-alpha-M.aep",
    "404-matte-L-alphainv-M.aep",
    "405-matte-L-luma-M.aep",
    "406-matte-L-lumainv-M.aep",
    "407-matte-M-alpha-L-below.aep",
    "408-matte-L-alpha-M-visible.aep",
    "509-marker-comp-two.aep",
    "510-marker-layer-0.52-dur0.3.aep",
    "451-shape-ellipse-400x300-fill.aep",
    "457-shape-group-scale-50-80.aep",
    "462-shape-layer-anchor-10-20.aep",
    "464-shape-stroke-opacity-50.aep",
    "467-shape-trim-end-70.aep",
    "469-shape-trim-type-2.aep",
    "471-shape-rect-roundness-30.aep",
    "473-shape-star-points-6.aep",
    "482-shape-two-groups.aep",
    "483-shape-nested-group-rect.aep",
    "519-shape-all-items-default.aep",
    "410-fx-invert-channel-2.aep",
    "411-fx-invert-blend-50.aep",
    "413-fx-fastbox-radius-20.aep",
    "414-fx-fastbox-iterations-1.aep",
    "416-fx-fastbox-repeatedge-off.aep",
    "418-fx-gaussian-dimensions-3.aep",
    "419-fx-gaussian-repeatedge-off.aep",
    "422-fx-dropshadow-opacity-204.aep",
    "426-fx-dropshadow-shadowonly-on.aep",
    "427-fx-glow-default.aep",
    "429-fx-glow-threshold-76.5.aep",
    "438-fx-glow-midpoint-0.25.aep",
    "444-fx-huesat-hue-90.aep",
    "446-fx-huesat-light-m30.aep",
    "448-fx-huesat-colorizehue-120.aep",
    "512-fx-levels-inblack-0.1.aep",
    "514-fx-levels-gamma-2.aep",
    "516-fx-levels-outwhite-0.9.aep",
    "517-text-box-600x400-wrap.aep",
    "526-text-point-HHHH-default.aep",
    "527-text-point-HHHH-baseline-normal.aep",
    "528-text-point-HHHH-baseline-subscript.aep",
    "485-layer-3d-on.aep",
    "486-layer-3d-rotx-30.aep",
    "487-layer-3d-roty-45.aep",
    "488-layer-3d-orientation-10-20-30.aep",
    "529-fx-timewarp-default.aep",
    "530-fx-timewarp-speed-25.aep",
    "531-fx-timewarp-speed-keyed-50-200.aep",
    "532-fx-timewarp-method-1.aep",
    "533-fx-timewarp-sourceframe-12.aep",
    "534-fx-slider-expression-time10.aep",
    "535-camera-position-on-3d-rotx.aep",
    "536-camera-one-node-position-on-3d-rotx.aep",
    "537-camera-default-on-3d-rotx.aep",
    "538-text-point-HHHH-normal-ref.aep",
    "539-text-hscale-0.9.aep",
    "540-text-vscale-1.5.aep",
    "541-text-baselineshift-41.aep",
    "542-text-autokern-none.aep",
    "543-text-autokern-optical.aep",
    "544-text-applystroke-on.aep",
    "545-text-strokewidth-5.aep",
    "546-text-applyfill-off.aep",
    "548-text-linejoin-round.aep",
    "550-text-strokeoverfill-off.aep",
    "552-text-nobreak-on.aep",
    "553-text-tsume-0.5.aep",
    "554-text-kerning-50.aep",
    "555-text-ligature-on.aep",
    "556-text-autohyphenate-off.aep",
    "558-text-hangingroman-on.aep",
    "559-text-everyline-on.aep",
    "560-text-firstlineindent-20.aep",
    "561-text-startindent-30.aep",
    "562-text-endindent-40.aep",
    "563-text-spacebefore-10.aep",
    "564-text-spaceafter-12.aep",
    "565-text-justify-fullleft.aep",
    "566-text-justify-fullcenter.aep",
    "567-text-justify-fullright.aep",
    "568-text-justify-fullall.aep",
    "569-text-direction-rtl.aep",
    "571-text-digitset-arabic.aep",
    "572-text-leadingtype-japanese.aep",
    "573-text-baselinedir-rotated.aep",
    "575-text-vertical-rtl.aep",
    "576-text-baselinedir-crossstream.aep",
    "578-text-digitset-hindi.aep",
    "595-text-stroke-scale-shift-combined.aep",
    "596-text-combined-fill-over-stroke.aep",
    "579-textanim-position-0-m50.aep",
    "580-textanim-start-25.aep",
    "581-textanim-end-75.aep",
    "582-textanim-offset-10.aep",
    "583-textanim-units-index.aep",
    "584-textanim-basedon-3-words.aep",
    "585-textanim-mode-2-subtract.aep",
    "586-textanim-amount-50.aep",
    "587-textanim-shape-2-rampup.aep",
    "588-textanim-smoothness-50.aep",
    "589-textanim-easehigh-30.aep",
    "590-textanim-easelow-40.aep",
    "591-textanim-randomize-seed-7.aep",
    "592-textanim-many-props.aep",
    "593-textanim-start-keyed-ease-0-100.aep",
    "594-textanim-position-start-keyed-ease.aep",
    "725-text-point-HHHH-normal-ref-S18.aep",
    "727-text-reset-paragraph.aep",
    "728-textanim-character-offset-3.aep",
    "711-fx-directional-blur-30-40-on-M.aep",
    "712-fx-eleven-effects-defaults-on-M.aep",
    "713-fx-radial-blur-zoom-20-on-M.aep",
    "714-fx-ccradial-type2-30-60-on-M.aep",
    "715-fx-venetian-40-30-50-5-on-M.aep",
    "716-fx-channel-blur-5-10-15-20-edge-horiz-on-M.aep",
    "717-fx-blackwhite-set-tint-on-L.aep",
    "718-fx-tritone-set-blend25-on-L.aep",
    "719-fx-lumakey-darker-140-20-1-2.5-on-M.aep",
    "720-fx-simplechoker-3.5-on-M.aep",
    "721-fx-simplechoker-3.5-view-matte-on-M.aep",
    "722-fx-mattechoker-set-on-M.aep",
    "723-fx-transform-set-on-M.aep",
    "597-key-anchor-ease-out50-40-in30-60.aep",
    "598-key-ramp-point-ease-color-bezier.aep",
    "599-key-mask-path-ease-infl75.aep",
    "700-key-mask-path-ease-out20-in50.aep",
    "701-light-parallel-int80-color.aep",
    "702-light-ambient-int50-color.aep",
    "703-key-orientation-0-to-10-20-30-linear.aep",
    "704-light-environment-default.aep",
    "705-mask-on-text-rect-40-m70-160-10.aep",
    "706-mask-on-shape-rect-0-m150-100-150.aep",
    "707-shape-merge-subtract-rect-ellipse.aep",
    "708-shape-merge-intersect-rect-ellipse.aep",
    "709-shape-repeater-3-pos150-60-rot10-scale90-80-op40.aep",
    "710-shape-offset-paths-20-round.aep",
    "730-key-anchor-ease-on-400x800-solid.aep",
    "731-shape-merge-offset-repeater-defaults.aep",
    "732-text-box-byteedit-para24-0.aep",
    "733-text-box-byteedit-para35-0.aep",
    "734-text-box-byteedit-style68-1.aep",
    "828-shape-offset-paths-20-copies3-copyoffset1.5-stroke.aep",
    "851-shape-key-trim-end-0-100-linear.aep",
    "852-shape-key-trim-end-bezier-out0-60-in20-30.aep",
    "853-shape-key-group-position-0-200-100-linear.aep",
    "854-shape-key-fill-color-red-blue-linear.aep",
    "855-shape-key-trim-offset-0-90-hold.aep",
    "856-shape-trim-end-expression-time50.aep",
    "857-shape-key-group-scale-100-50-150-linear.aep",
    "900-mask-added-no-path.aep",
    "901-mask-no-path-expansion-m100.aep",
    "902-settings-rec709-16bpc-steps-png-grey-solid.aep",
    "905-fx-24-effects-set-one-comp.aep",
    "906-blendmodes-13-solids-on-steps.aep",
    "963-curves-red-mid-down-on-S.aep",
    "964-curves-rgb-s-curve-on-S.aep",
    "951-styles-all-nine-defaults-on-B.aep",
    "966-style-drop-shadow-opacity50-distance20.aep",
    "970-style-stroke-size10-color-green.aep",
    "974-style-gradient-overlay-angle45-scale150.aep",
    "975-style-fill-opacity0-with-drop-shadow.aep",
    "976-style-drop-shadow-opacity-keyed-100-20-linear.aep",
    "977-styles-all-params-changed.aep",
    "979-style-inner-glow-source-2.aep",
    "981-layer-stretch-minus100-start5.aep",
    "982-layer-stretch-minus100-opacity-keys.aep",
    "983-layer-stretch-minus50-opacity-keys.aep",
    "985-meshwarp-3x3-vertex-moved-on-S.aep",
    "986-shape-fill-switched-off-green.aep",
    "988-style-drop-shadow-switched-off.aep",
];

use craft_aep::{AepFile, Comp, Layer, LayerType, Project, parse};

/// Parses a fixture; the bytes must outlive the file, so the caller keeps them.
pub fn open(bytes: &[u8]) -> AepFile<'_> {
    parse(bytes).expect("fixture parses")
}

/// The first composition of a project (comp `C` in the corpus; in 124 the precomp `Pre` comes later).
pub fn first_comp<'f, 'a>(project: &Project<'f, 'a>) -> Comp<'f, 'a> {
    project.all_items().into_iter().find_map(|i| i.comp()).expect("a composition")
}

/// The solid `L` of the base composition: the bottom layer (the first one made; id 0x1b in the
/// single-case files, another id in each case of a combined file).
pub fn base_layer<'f, 'a>(comp: &Comp<'f, 'a>) -> Layer<'f, 'a> {
    comp.layers().last().expect("a layer")
}

/// The layer with this id in a composition.
pub fn layer_with_id<'f, 'a>(comp: &Comp<'f, 'a>, id: u32) -> Layer<'f, 'a> {
    comp.layers().find(|l| l.id() == Some(id)).unwrap_or_else(|| panic!("no layer with id {id:#x}"))
}

/// The layer with this user-set name in a composition.
pub fn layer_named<'f, 'a>(comp: &Comp<'f, 'a>, name: &str) -> Layer<'f, 'a> {
    comp.layers().find(|l| l.name().as_deref() == Some(name)).unwrap_or_else(|| panic!("no layer named {name}"))
}

/// The layer that shows this name: its own name, or its source's while it has none.
pub fn layer_shown_as<'f, 'a>(project: &Project<'f, 'a>, comp: &Comp<'f, 'a>, name: &str) -> Layer<'f, 'a> {
    let shown = |l: &Layer<'f, 'a>| l.name().or_else(|| project.layer_source(l)?.display_name());
    comp.layers().find(|l| shown(l).as_deref() == Some(name)).unwrap_or_else(|| panic!("no layer shown as {name}"))
}

/// The first layer of this type in a composition.
pub fn layer_of_type<'f, 'a>(comp: &Comp<'f, 'a>, layer_type: LayerType) -> Layer<'f, 'a> {
    comp.layers().find(|l| l.header().is_some_and(|h| h.layer_type == layer_type)).unwrap_or_else(|| panic!("no {layer_type:?} layer"))
}

/// A copy of a layer's `LIST Layr` with its id (`ldta` bytes 0-3) set to 0, for comparing the
/// same layer in two cases of a combined file.
pub fn without_layer_id(layer: &craft_aep::Chunk<'_>) -> craft_aep::Chunk<'static> {
    let mut c = layer.clone().into_owned();
    if let craft_aep::Body::List { children, .. } = &mut c.body
        && let Some(ldta) = children.iter_mut().find(|x| x.is(b"ldta"))
        && let craft_aep::Body::Data(d) = &mut ldta.body
    {
        d.to_mut()[..4].fill(0);
    }
    c
}

/// Compares floats with a tolerance.
pub fn near(a: f64, b: f64, tol: f64) -> bool {
    (a - b).abs() <= tol
}

pub fn assert_near(got: &[f64], want: &[f64], tol: f64) {
    assert_eq!(got.len(), want.len(), "{got:?} vs {want:?}");
    for (g, w) in got.iter().zip(want) {
        assert!(near(*g, *w, tol), "{got:?} != {want:?}");
    }
}