extern crate blender_armature;
extern crate blender_mesh;
extern crate serde;
extern crate serde_json;

use blender_armature::parse_armatures_from_blender_stdout;
use blender_armature::BlenderArmature;
use blender_mesh::parse_meshes_from_blender_stdout;
use blender_mesh::BlenderMesh;
use std::env::current_dir;
use std::fs::File;
use std::path::Path;
use std::process::Command;

#[test]
fn parse_skinned_letter_f_mesh_data() {
    let skinned_letter_f_blend = &abs_path("tests/skinned_letter_f.blend");
    let run_addon = &abs_path("./run-addon.py");

    // TODO: Move the CLI spawning and parsing into `lib.rs`. In our test just verify
    // the returned mesh data

    let mut blender_output = Command::new("blender")
        .args(&["--background", skinned_letter_f_blend])
        .args(&["--python-expr", &set_active_object_by_name("LetterF")])
        .args(&["--python", run_addon])
        .arg("--")
        .output()
        .expect("Failed to execute Blender process");

    let stdout = String::from_utf8(blender_output.stdout).unwrap();
    let stderr = String::from_utf8(blender_output.stderr).unwrap();
    assert_eq!(
        stderr, "",
        "\n\nSTDERR = {}, \n\nSTDOUT = {}",
        stderr, stdout
    );

    let parsed_meshes = parse_meshes_from_blender_stdout(&stdout).unwrap();

    let (filename, mesh) = parsed_meshes.iter().next().unwrap();

    let mesh = mesh.get("LetterF").unwrap();

    let expected_mesh = &expected_mesh_data();
    let expected_mesh: BlenderMesh = serde_json::from_str(expected_mesh).unwrap();

    assert_eq!(mesh, &expected_mesh)
}

#[test]
fn parse_skinned_letter_f_armature_data() {
    let skinned_letter_f_blend = &abs_path("tests/skinned_letter_f.blend");
    let install_addon = &abs_path("./blender-armature/install-armature-to-json.py");
    let run_addon = &abs_path("./blender-armature/run-armature-to-json.py");

    // TODO: Move the CLI spawning and parsing into `lib.rs`. In our test just verify
    // the returned mesh data

    let mut blender_output = Command::new("blender")
        .args(&["--background", skinned_letter_f_blend])
        .args(&[
            "--python-expr",
            &set_active_object_by_name("LetterFArmature"),
        ])
        .args(&["--python", run_addon])
        .arg("--")
        .output()
        .expect("Failed to execute Blender process");

    let stderr = String::from_utf8(blender_output.stderr).unwrap();
    let stdout = String::from_utf8(blender_output.stdout).unwrap();

    assert_eq!(
        stderr, "",
        "\n\nBLENDER STDERR = {} \n\n, BLENDER STDOUT = {}",
        stderr, stdout
    );

    let parsed_armatures = parse_armatures_from_blender_stdout(&stdout).unwrap();

    let (filename, armature) = parsed_armatures.iter().next().unwrap();

    let armature = armature.get("LetterFArmature").unwrap();

    let expected_armature = &expected_armature_data();
    let expected_armature: BlenderArmature = serde_json::from_str(expected_armature).unwrap();

    assert_eq!(
        armature, &expected_armature,
        "\n\nBlender STDOUT: {}",
        stdout
    )
}

fn set_active_object_by_name(name: &str) -> String {
    format!(
        r#"
import bpy
bpy.context.scene.objects.active = None
for obj in bpy.context.scene.objects:
    if obj.name == '{}':
        bpy.context.scene.objects.active = obj
"#,
        name
    )
}

fn expected_mesh_data() -> String {
    r#"
        {
        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        "vertex_position_indices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        "vertex_group_weights":[0.99930483,0.9993267,0.9988469,0.9988882,0.5769585,0.41667557,0.5750416,0.41875833,0.08287623,0.9114626,0.0809439,0.9134449,0.052394267,0.88598174,0.050120413,0.052381232,0.88586444,0.050270952,0.6038401,0.21717286,0.16507955,0.60444063,0.2158349,0.16582415,0.8323886,0.14720343,0.8319144,0.14773157,0.1785458,0.7855405,0.015085268,0.18311681,0.77991176,0.017029043,0.22253782,0.7405494,0.22251287,0.740542,0.03593966,0.1644677,0.022933569,0.75609565,0.035559665,0.16221051,0.021494966,0.7592622,0.7325021,0.24111201,0.7324547,0.2411115,0.24104871,0.0171883,0.72107244,0.24646422,0.018294405,0.7150753,0.9979128,0.998135,0.99806494,0.99795896,0.9988047,0.9990297,0.99891806,0.9989621,0.10787421,0.8680739,0.045240935,0.9386733,0.9713774,0.9865636,0.9935986,0.9967849,0.9968572,0.9938901,0.98734754,0.9734771,0.014606806,0.9444226,0.0059462897,0.07222709,0.88400006,0.10569806,0.8703893,0.043480534,0.93957144,0.97172564,0.9866937,0.9936313,0.9967472,0.99692065,0.9939038,0.9873182,0.97335756,0.01533075,0.94405013,0.0057551004,0.07312979,0.88290054,0.024755668,0.9591396,0.98141676,0.99174035,0.99635047,0.9983034,0.99832433,0.9963541,0.99171793,0.9812937,0.025822569,0.9586212,0.07076583,0.915345,0.005161207,0.96714973,0.98713607,0.9948909,0.9978746,0.06926029,0.91721123,0.0041649975,0.9677716,0.9873414,0.99494904,0.99785924,0.99942935,0.99948114,0.99940383,0.99918497,0.9994379,0.99948144,0.99939644,0.9991656,0.52089864,0.47447312,0.4392018,0.55681866,0.2560472,0.73904645,0.14594676,0.84841776,0.52015466,0.47528905,0.43899456,0.5570616,0.25618187,0.73894024,0.14661598,0.8477633,0.035839584,0.8800026,0.05626422,0.014667104,0.86240315,0.06908087,0.022364985,0.00013051182,0.8054408,0.10276213,0.066731885,0.6983354,0.16329528,0.118703805,0.035808858,0.87989175,0.05644027,0.014632608,0.862282,0.069321305,0.022160817,0.00009224564,0.80524856,0.103189684,0.06651563,0.69797367,0.1641143,0.11826125,0.81223685,0.16827872,0.76778257,0.21257482,0.63745654,0.33860016,0.33775267,0.63089234,0.0029583946,0.8118751,0.16870442,0.7674167,0.21303833,0.6367719,0.33948454,0.33603087,0.63306826,0.0021218061,0.19665678,0.73637927,0.052574046,0.16256312,0.7119954,0.10919973,0.13064471,0.60218906,0.24547167,0.0899343,0.31702027,0.010822326,0.5626343,0.19670737,0.7363473,0.052616917,0.16264729,0.7118822,0.109325536,0.13077486,0.6018658,0.24584669,0.09006711,0.31613845,0.010086797,0.5637511,0.73304653,0.21381596,0.04714686,0.7181039,0.17633335,0.10093921,0.62774724,0.13753818,0.22940728,0.3697934,0.08491707,0.5393966,0.73318374,0.21381065,0.046922278,0.71842223,0.17632438,0.10065594,0.6285407,0.13754272,0.22864479,0.37184832,0.08502152,0.5372724,0.9988633,0.99763453,0.99480253,0.9884909,0.974564,0.94401485,0.039739665,0.87734264,0.10453632,0.99887,0.9976349,0.9947986,0.98848146,0.97454613,0.9439851,0.039737288,0.8773002,0.104535356,0.99794656,0.99544877,0.9894214,0.97517526,0.9416019,0.052505236,0.8625044,0.12556209,0.6763853,0.3008956,0.997966,0.99546796,0.9894605,0.9752745,0.9418646,0.052216694,0.8632105,0.12478506,0.6783151,0.29876667,0.8791952,0.08709458,0.013530838,0.9455255,0.021888305,0.9755683,0.9890888,0.9951352,0.99781674,0.9989788,0.87278545,0.06643052,0.058952127,0.9434719,0.002389647,0.009188458,0.9751048,0.9890814,0.9952143,0.99788773,0.99903166,0.8324441,0.05029952,0.115298815,0.9272245,0.052366655,0.9686239,0.9864858,0.9941699,0.99746424,0.99885434,0.7470455,0.021280993,0.21514823,0.89428943,0.08959707,0.95521534,0.025550488,0.98092675,0.9918466,0.9964818,0.9984181,0.99897635,0.9978189,0.99514294,0.98910654,0.975605,0.94559467,0.021895174,0.8793071,0.08709712,0.013317416,0.9990334,0.9978928,0.9952266,0.98911005,0.9751686,0.9436032,0.002405785,0.008915171,0.8730211,0.06643922,0.058716524,0.9988606,0.99747336,0.99418974,0.9865333,0.9687366,0.9274788,0.052095838,0.83295697,0.05032899,0.11476577,0.99843067,0.9964965,0.99187726,0.98100257,0.9554063,0.025134359,0.8947603,0.089086145,0.7481345,0.021453265,0.213979],
        "num_groups_for_each_vertex":[1,1,1,1,2,2,2,2,3,3,3,3,2,2,3,3,2,2,4,4,2,2,3,3,1,1,1,1,1,1,1,1,2,2,1,1,1,1,1,1,1,1,2,3,2,2,1,1,1,1,1,1,1,1,2,3,2,1,1,1,1,1,1,1,1,2,2,2,1,1,1,2,2,1,1,1,1,1,1,1,1,1,1,1,2,2,2,2,2,2,2,2,3,4,4,3,3,4,4,3,2,2,2,3,2,2,2,3,3,3,3,4,3,3,3,4,3,3,3,3,3,3,3,3,1,1,1,1,1,2,2,1,1,1,1,1,2,2,1,1,1,1,2,2,2,1,1,1,1,2,2,2,3,2,1,1,1,1,1,3,3,1,1,1,1,1,3,2,1,1,1,1,1,3,2,2,1,1,1,1,1,1,1,1,1,2,3,1,1,1,1,1,3,3,1,1,1,1,1,2,3,1,1,1,1,2,2,3]
        }
        "#.to_string()
}

fn expected_armature_data() -> String {
    r#"
    {
        "actions": {
          "Twist": [
            {"frame_time_secs": 0.0, "bones": [{"Matrix": [1.0, 0.0, 0.0, 0.0, 0.0, 0.0, -1.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0]}, {"Matrix": [1.0, 0.0, 2.3841855067985307e-07, 0.0, 2.3841855067985307e-07, 0.0, -1.0, 0.0, 0.0, 0.9999999403953552, 0.0, 0.5959557294845581, 0.0, 0.0, 0.0, 1.0]}, {"Matrix": [-5.684341886080802e-14, -1.0, 3.789253558551895e-15, 0.0, 1.0, 0.0, 4.3711366970455856e-08, 0.0, -4.371136341774218e-08, 0.0, 0.9999999403953552, 0.938409686088562, 0.0, 0.0, 0.0, 1.0]}, {"Matrix": [-7.450580596923828e-08, -0.9993491172790527, 0.03607500344514847, 0.0, 1.0, 0.0, 1.6292068494294654e-07, 0.0, -1.6042031347751617e-07, 0.03607500344514847, 0.9993491172790527, 0.5959557294845581, 0.0, 0.0, 0.0, 1.0]}]},
            {"frame_time_secs": 0.833333, "bones": [{"Matrix": [1.0, 0.0, 0.0, 0.0, 0.0, 0.0, -1.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0]}, {"Matrix": [1.0, 0.0, 2.3841855067985307e-07, 0.0, 2.3841855067985307e-07, 0.0, -1.0, 0.0, 0.0, 0.9999999403953552, 0.0, 0.5959557294845581, 0.0, 0.0, 0.0, 1.0]}, {"Matrix": [-0.7071068286895752, -0.7071067690849304, -3.0908601900137e-08, 0.0, 0.7071067690849304, -0.7071068286895752, 3.090860545285068e-08, 0.0, -4.3711366970455856e-08, 3.552713678800501e-15, 0.9999999403953552, 0.938409686088562, 0.0, 0.0, 0.0, 1.0]}, {"Matrix": [0.7071068286895752, -0.7066465020179749, 0.025508996099233627, 0.0, 0.7071067094802856, 0.7066466212272644, -0.025508765131235123, 0.0, -1.6391277313232422e-07, 0.03607500344514847, 0.9993491172790527, 0.5959557294845581, 0.0, 0.0, 0.0, 1.0]}]},
            {"frame_time_secs": 1.666667, "bones": [{"Matrix": [1.0, 0.0, 0.0, 0.0, 0.0, 0.0, -1.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0]}, {"Matrix": [1.0, 0.0, 2.3841855067985307e-07, 0.0, 2.3841855067985307e-07, 0.0, -1.0, 0.0, 0.0, 0.9999999403953552, 0.0, 0.5959557294845581, 0.0, 0.0, 0.0, 1.0]}, {"Matrix": [-5.684341886080802e-14, -1.0, 3.789253558551895e-15, 0.0, 1.0, 0.0, 4.3711366970455856e-08, 0.0, -4.371136341774218e-08, 0.0, 0.9999999403953552, 0.938409686088562, 0.0, 0.0, 0.0, 1.0]}, {"Matrix": [-7.450580596923828e-08, -0.9993491172790527, 0.03607500344514847, 0.0, 1.0, 0.0, 1.6292068494294654e-07, 0.0, -1.6042031347751617e-07, 0.03607500344514847, 0.9993491172790527, 0.5959557294845581, 0.0, 0.0, 0.0, 1.0]}]},
            {"frame_time_secs": 2.5, "bones": [{"Matrix": [1.0, 0.0, 0.0, 0.0, 0.0, 0.0, -1.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0]}, {"Matrix": [0.7071067690849304, 0.7071068286895752, 1.6858736273661634e-07, 0.0, 2.3841855067985307e-07, 0.0, -1.0, 0.0, -0.7071067690849304, 0.7071067094802856, -1.6858736273661634e-07, 0.5959557294845581, 0.0, 0.0, 0.0, 1.0]}, {"Matrix": [-3.090863742727379e-08, -0.38268327713012695, 0.9238796234130859, 0.24215157330036163, 1.0, 1.672762195426003e-08, 4.038403744743846e-08, 0.0, -3.090856637300021e-08, 0.9238795638084412, 0.38268324732780457, 0.8381072282791138, 0.0, 0.0, 0.0, 1.0]}, {"Matrix": [-7.450580596923828e-08, -0.9993491172790527, 0.03607500344514847, 0.0, 1.0, 0.0, 1.6292068494294654e-07, 0.0, -1.6042031347751617e-07, 0.03607500344514847, 0.9993491172790527, 0.5959557294845581, 0.0, 0.0, 0.0, 1.0]}]},
            {"frame_time_secs": 3.333333, "bones": [{"Matrix": [1.0, 0.0, 0.0, 0.0, 0.0, 0.0, -1.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0]}, {"Matrix": [0.9238795042037964, 0.3826834261417389, 2.0212148399423313e-07, 0.0, 2.5656706270638097e-07, -9.123882449557641e-08, -1.0, 0.0, -0.3826833963394165, 0.9238794445991516, -1.824776347802981e-07, 0.5959557294845581, 0.0, 0.0, 0.0, 1.0]}, {"Matrix": [-2.2235541408122117e-08, -0.3826833963394165, 0.9238795638084412, 0.13105148077011108, 1.0, -7.734853113561257e-08, -7.971307169896136e-09, -3.124510072893827e-08, 7.451123451573949e-08, 0.9238795042037964, 0.38268333673477173, 0.9123419523239136, 0.0, 0.0, 0.0, 1.0]}, {"Matrix": [-7.450580596923828e-08, -0.9993491172790527, 0.03607500344514847, 0.0, 1.0, 0.0, 1.6292068494294654e-07, 0.0, -1.6042031347751617e-07, 0.03607500344514847, 0.9993491172790527, 0.5959557294845581, 0.0, 0.0, 0.0, 1.0]}]},
            {"frame_time_secs": 4.166667, "bones": [{"Matrix": [1.0, 0.0, 0.0, 0.0, 0.0, 0.0, -1.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0]}, {"Matrix": [1.0, 0.0, 2.3841855067985307e-07, 0.0, 2.3841855067985307e-07, 0.0, -1.0, 0.0, 0.0, 0.9999999403953552, 0.0, 0.5959557294845581, 0.0, 0.0, 0.0, 1.0]}, {"Matrix": [-5.684341886080802e-14, -1.0, 3.789253558551895e-15, 0.0, 1.0, 0.0, 4.3711366970455856e-08, 0.0, -4.371136341774218e-08, 0.0, 0.9999999403953552, 0.938409686088562, 0.0, 0.0, 0.0, 1.0]}, {"Matrix": [-7.450580596923828e-08, -0.9993491172790527, 0.03607500344514847, 0.0, 1.0, 0.0, 1.6292068494294654e-07, 0.0, -1.6042031347751617e-07, 0.03607500344514847, 0.9993491172790527, 0.5959557294845581, 0.0, 0.0, 0.0, 1.0]}]}
          ]
        },
        "inverse_bind_poses": [
            {"Matrix": [1.0, -0.0, 0.0, -0.0, -0.0, 0.0, 1.0, 0.0, 0.0, -1.0, 0.0, -0.0, -0.0, 0.0, -0.0, 1.0]},
            {"Matrix": [1.0, 2.3841855067985307e-07, 0.0, -0.0, -0.0, 0.0, 1.0000001192092896, -0.5959557890892029, 2.3841855067985307e-07, -1.0, 0.0, -0.0, -0.0, 0.0, -0.0, 1.0]},
            {"Matrix": [0.0, 1.0, -4.3711370523169535e-08, 4.101917383536602e-08, -1.0, -5.684341886080802e-14, 3.7892565231672105e-15, -3.5558752292761276e-15, 0.0, 4.3711366970455856e-08, 1.0000001192092896, -0.9384097456932068, -0.0, -0.0, -0.0, 1.0]},
            {"Matrix": [-5.8773643729637115e-09, 1.0, -1.628146435450617e-07, 9.703032333163719e-08, -0.9993491172790527, -6.867014690215001e-08, 0.03607500344514847, -0.02149910479784012, 0.03607500344514847, 1.6300369054533803e-07, 0.9993491172790527, -0.5955678224563599, -0.0, -0.0, -0.0, 1.0]}
        ],
        "joint_index": {
            "Lower.Body": 0,"Upper.Body": 1,"Upper.Arm": 2,"Lower.Arm": 3
        }
    }
    "#.to_string()
}

fn abs_path(path: &str) -> String {
    let path = Path::new(path);
    let mut abs_path = current_dir().unwrap();
    abs_path.push(path);

    abs_path.to_str().unwrap().to_string()
}

// bpy.ops.wm.open_mainfile( filepath = "/path/to/file.blend" )