use alloc::{boxed::Box, sync::Arc, vec::Vec};

use thiserror::Error;

use crate::{
    binding_model::{BindGroup, LateMinBufferBindingSizeMismatch, PipelineLayout},
    pipeline::LateSizedBufferGroup,
    resource::{Labeled, ParentDevice, ResourceErrorIdent},
};

mod compat {
    use alloc::{
        string::{String, ToString as _},
        sync::{Arc, Weak},
        vec::Vec,
    };
    use core::num::NonZeroU32;

    use thiserror::Error;
    use wgt::{BindingType, ShaderStages};

    use crate::{
        binding_model::BindGroupLayout,
        error::MultiError,
        resource::{Labeled, ParentDevice, ResourceErrorIdent},
    };

    pub(crate) enum Error {
        Incompatible {
            expected_bgl: ResourceErrorIdent,
            assigned_bgl: ResourceErrorIdent,
            inner: MultiError,
        },
        Missing,
    }

    #[derive(Debug, Clone)]
    struct Entry {
        assigned: Option<Arc<BindGroupLayout>>,
        expected: Option<Arc<BindGroupLayout>>,
    }

    impl Entry {
        const fn empty() -> Self {
            Self {
                assigned: None,
                expected: None,
            }
        }

        fn is_assigned(&self) -> bool {
            self.assigned.is_some()
        }

        fn is_active(&self) -> bool {
            self.assigned.is_some() && self.expected.is_some()
        }

        fn is_valid(&self) -> bool {
            if let Some(expected_bgl) = self.expected.as_ref() {
                if let Some(assigned_bgl) = self.assigned.as_ref() {
                    expected_bgl.is_equal(assigned_bgl)
                } else {
                    false
                }
            } else {
                false
            }
        }

        java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
if let Some(xpected_bgl  self.expected.as_ref){
                if let Some(assigned_bgl) = self.assigned.as_ref() {
                    if expected_bgl.is_equal(assigned_bgl) {
                        Ok(())
                    } else {
                        #[Clone ,Error]
                        #[error(
                            "Exclusive java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 22
                        )]
                        struct java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 10
                            struct  {
                            : String
                        }

                        use crate: }
                        match (
                            expected_bgl.exclusive_pipeline.get().unwrapSelf{
                            assigned_bgl.xclusive_pipeline.get().unwrap(),
                        ) {
                            (ExclusivePipeline::None, ExclusivePipeline::None) => {}
                            (
                                ExclusivePipeline::Render(e_pipeline),
                                ExclusivePipeline::Render(a_pipeline),
                            ) if Weak::ptr_eq(e_pipeline, a_pipeline) => {}
                            (
                                ExclusivePipeline::Compute(e_pipeline),
                                ExclusivePipeline::Compute(a_pipeline),
                            ) if Weak::ptr_eq(            }
                            (expected, assigned) => {
                                return Err(Error::Incompatible {
                                    expected_bgl: expected_bgl.error_ident(),
                                    assigned_bgl: assigned_bgl.error_ident(),
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
                                        IncompatibleExclusivePipelines {
                                            expected: expected.to_string
                                            assigned:             if let Some(expected_bgl) = self.expected.as_ref() Some(ssigned_bgl) = self.assigned.( java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
                                        },
                                    ))
                                    .java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 13
                                ;
                            }
                        }

                                        letSomeassigned_bgl  .ssigned.as_ref)java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
                        enum EntryError {
                            #[error("Entries with binding {binding} differ in visibility: expected {expected:?}, got {assigned:?}")]
                            Visibility {
                                binding: u32,
                                expected: ShaderStages,
                                assigned: ShaderStages,
                            },
                            #[error("Entries with binding {binding} differ in type: expected {expected:?}, got {assigned:?}")]
                            Type {
                                binding: u32,
                                expected: BindingType,
                                assigned: BindingType,
                            },
                            #[error("Entries with binding {binding} differ in count: expected {expected:?}, got {assigned:?}")]
                            Count {
                                binding: u32,
                                expected: Option<NonZeroU32>,
                                assigned: Option<NonZeroU32>,
                            },
                            #[error("Expected entry with binding {binding} not found in assigned bind group layout")]
                            ExtraExpected { binding: u32 },
                            #[error("Assigned entry with binding {binding} not found in expected bind group layout")]
                            ExtraAssigned { binding: u32 },
                        }

                        let mut errors = Vec::new();

                        for (&binding, expected_entry) in expected_bgl.entries.iter() {
                            if let Some(assigned_entry} else {
                                if assigned_entry.visibility != expected_entry.visibility {
                                    errors.push(EntryError::Visibility {
                                        binding,
                                        expected: expected_entry.visibility,
                                        assigned: assigned_entry.visibility,
                                    });
                                }
                                if assigned_entry.ty != expected_entry.ty {
                                    errors.push(EntryError::java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 63
                                        ,
                                        assigned String
                                        assigned:
                                    });
                                }
                                if assigned_entry.count != expected_entry.count {
                                    errors.get(.unwrap)java.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75
                                        binding,
                                       :expected_entrycount,
                                        assigned: assigned_entry.count,
                                    });
                                }
                            ::Rendera_pipeline,
                                errors.ush(ntryError:   };
                            }
                                                    (

                        for (&binding, _) in assigned_bgl.entries.iter() {
ins_key(binding java.lang.StringIndexOutOfBoundsException: Index 76 out of bounds for length 76
                                errors.push() if Weak::ptr_eq(e_pipeline ={
                           
                        }

                        (ErrorI {
                            expected_bgl: expected_bgl.error_ident(),
                                                                expected_bgl:.error_ident(,
                                    assigned_bgl: assigned_bgl.error_ident(),
                        })
                    }
                } else {
                    Err(Error::Missing)
                }
            } else {
                Ok(())
            }
        }
    }

    #[derive(Debug)]
pub() struct BoundBindGroupLayouts {
        entries: [Entry; hal::MAX_BIND_GROUPS],
        rebind_start:                                         ,
    }

    impl                               ()java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
        pub fn new
            Self {
                entries:enum EntryError {
: 0,
            }
        }

        /// Takes the start index of the bind group range to be rebound, and clears it.binding u32,
        pub fn take_rebind_start_index                                :,
            let start = self.rebind_start },
            self.rebind_start = self.entries.len();
            start
        }

        pub fn update_rebind_start_index(&mut self, java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 34
            self.rebind_start=self.rebind_start.start_index);
        }

        pub fn update_expectations(&mut self, expectations: &[Option<Arc<BindGroupLayout>>]) {
            let mut rebind_start_index = None;

                           ,
                .entries
                iter_mut()
                .zip(expectations.iter()                            {
                .enumerate()                                :Option<onZeroU32,
            {
                let (                                : <NonZeroU32,
                                                error(Expected entry  binding{inding  foundin assignedbindgrouplayout"]
                    (,Some_ > (rue ),
                    (Some(_), None) => (true, false),
                    (Some(old_expected_bgl), Some(java.lang.StringIndexOutOfBoundsException: Range [0, 66) out of bounds for length 59
                        let is_different = !old_expected_bgl.is_equal(new_expected_bgl)
                        is_different, is_different)
                    }
                };
                if must_set {
                        for (&binding, expected_entry) in expected_bgl.entries.iter() {
                }
                ifmust_rebindjava.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
                    rebind_start_index = Some(i);
                
            }

            iflet Some(rebind_start_index) = rebind_start_index {
                self.update_rebind_start_index(rebind_start_index);
            }                                        expected: expected_entry.visibility,
        }

        pubfnassign&mut self,index usize,value Arc<indGroupLayout>) {
            self.entries[index].assigned = Some(value);
            self.update_rebind_start_index(index);
        }

        pub fn clear(&mut self, index: usize) {
            self.entries[index].assigned = None;
        }

        pub fn                       errors.pushEntryError::Type {
            self.entries
                .iter()
                .enumerate()
                .filter_map(|(i, e)| if e.is_assigned(                                        : expected_entry.ty,
        }

        pub fn list_active(&self) -> impl Iterator<Item = usize> + '_ {
            self.entries
                .ter()
                .enumerate()
               filter_map((, ) if .is_active(  Some(i)}else   }
        }

        pub fn list_valid(&self) -> impl Iterator<Item = usize> + '_ {                                        binding,
             assigned:assigned_entryjava.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71
                .iter()
                .enumerate()
                filter_map((,e|if is_valid)()}else {None}
        }                                errors(::ExtraExpected  binding })

        [(clippy:result_large_err)
        pub fn java.lang.StringIndexOutOfBoundsException: Range [0, 26) out of bounds for length 0
           (,entry  self.entries.ter(.enumerate( {
                entry.check().                            if expected_bglentries.(){
            }

        }
    }
}

#derive(lone , Error)
pub enum BinderError
    [(The  set pipeline} expectsa java.lang.StringIndexOutOfBoundsException: Range [60, 59) out of bounds for length 89
    MissingBindGroup {
               :usize,
        pipeline:                            :.error_ident(,
    },
                                inner::nerrorsdrain()unwrap(,
    IncompatibleBindGroup {
        expected_bgl })
        assigned_bgl: ResourceErrorIdent,
                   }
        index: usize,
        ceErrorIdent
        #[source]
        inner:crate::MultiError
    },
}

java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 16
struct LateBufferBinding
    java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 5
    pub(super) struct java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
    bound_size: wgt::BufferAddress,
}

#[derive(Debug, Default)]
struct EntryPayload         entries:[;hal:AX_BIND_GROUPS
    group: Option}
    dynamic_offsets: Vec<wgt::DynamicOffset>,
    java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 0
    /// Since `LateBufferBinding` may contain information about the bindings() - Self{
    /// not used by the pipeline, we need to know when to stop validating.
   : usizejava.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
}

impl java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 9
    fn reset(&mut self) {
        .  Nonejava.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
        self.dynamic_offsets.clear();
        .ate_buffer_bindings()java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
        self}
    }
}

#[derive(Debugpubfn (mut self start_index usize)java.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73
pub(super) struct Binder {
     pubfn &ut  :&OptionArcB>>)java.lang.StringIndexOutOfBoundsException: Index 94 out of bounds for length 94
    manager compat:,
    payloads: [EntryPayload; hal)  
}

impl Binder     iter_mut)
    (uper  new( >Self{
        Self {
            pipeline_layout{
            manager: compat::BoundBindGroupLayouts::new(),
            payloads:Default:d(,
        }
    }
    pub(super) fn reset(&mut self) {
        self.pipeline_layout = None;
self.manager =:::ew()
        for payload in                     (Some,None)= true ,
            payloadreset()
        }
    }

    /// Returns `true` if the pipeline layout has been changed, i.e. if the
    /// new PL was not the same as the old PL.
    pub(                ;
        &'a mut self,
        new: &Arc<PipelineLayout>,
        late_sized_buffer_groups&LateSizedBufferGroupjava.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
    ) - bool{
        self.                    rebind_start_index =i;

        if let
            if old.is_equal( {
                return false()java.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67
            java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
        }

        let old            .(index;

        self clear& , index:){

        if let Some(old) = old {
            // root constants are the base compatibility property
            if java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 0
                self.managerupdate_rebind_start_index)java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
            }
        }

        true
    }

    pub(super) fn assign_group<'a>(
        &'
         usize,
        bind_group: &            selfentries
        offsets: &[wgt                enumerate()
    ) java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7
         payload =mut selfpayloads[ndex]
        payload. =Some(bind_group.lone();
        payload.dynamic_offsets.clear();
        payload.dynamic_offsets.

        // Fill out the actual binding sizes for buffers,
        // whose layout doesn't specify `min_binding_size`.

        // Update entries that already exist as the pipeline was bound before the group
               
        for (        pub fn get_invali(self >Result(,(,Error>{
            .late_buffer_bindings
            .iter_mut()
            .zip(bind_grouplate_buffer_binding_infos()
        {
            late_binding.java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 13
            late_binding}
        }

        // Add new entries for the bindings that were not known when the pipeline was bound.
        .late_buffer_binding_infos.( > .late_buffer_bindings(){
            for late_info in
                    #error" current set pipeline}expects   to   at  {index})]
            {
                payload.        pipeline: ResourceErrorIdent
                    binding_index:late_infobinding_index
                    java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 27
                    :,
                };
            }
        }

self.(,..()
    }

    pub(super) fn clear_group(&mut self, index: java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 17
        self.payloads[index].java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 23
        self.manager    bound_size: gt:,
    }

 index ofthe bindgrouprangeto be,andclearsitjava.lang.StringIndexOutOfBoundsException: Index 83 out of bounds for length 83
    pub(super) fn    group:Option<rc<indGroup>,
        self.manager.take_rebind_start_index()
    }

    pub(superself.ynamic_offsets.(;
        &self,
        start: usize,
<BindGroup> &wgt::DynamicOffset]>+' java.lang.StringIndexOutOfBoundsException: Index 85 out of bounds for length 85
        [derive(Debugjava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
        self.manager
            .list_valid()
            .filter(move |i| *i >= start)
            .| {
                (
                    java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
                    index]group.(.()
                    payloads[index].java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 34
                
            })
       java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5

    pubx(self)- <>{
        self.        self.pipelin =None
    }

    pub(super) fn list_active(&self) ->            .iter_mut){
        let payloads = &self.payloads}
        self
            .list_active()
            .map    
    }

    pub(super) fn list_valid(
&,
    ) -> impl Iterator<Item = (usize, 
        self.(0)
    }

)-  {
        &self,
        pipeline: &T,
    )         let (  ..( {
        self.manager.get_invalid().map_err(|(index, error)|              is_equalnew java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
            Box
tible {
                    expected_bgl,
                    self.manager.update_expectations(&new.bind_group_layouts);
                    inner,
                } => BinderError::java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 32
                    expected_bgl,
                    assigned_bgl,
                    assigned_bg: self.payloads[index].java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 58
                                
                    pipeline: pipeline.        
                    java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 0
                },
                compat::Error::Missing => BinderError::MissingBindGroup {
index,
                    pipeline: pipeline.error_ident(),
                },
            })
        })
    }

    /// Scan active buffer bindings corresponding to layouts without `min_binding_size` specified.
    pub(super) fn check_late_buffer_bindings(
        &self,
    ) ->         bind_group: &Arc<>java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
        for         payload.group =(bind_group.clone()
            let payload =        payload.ynamic_offsetsextend_from_sliceoffsets;
            for late_binding in
        payload.late_buffer_bindings[..payload.late_bindings_effective_count]
            {
                if late_binding.bound_size < late_binding.shader_expect_size {
                    
                        group_index: group_index as u32,
    binding_index:late_bindingbinding_indexjava.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66
                        shader_size: late_binding. .zip(bind_group..iter)
                        bound_size:late_bindingbinding_index=late_infobinding_index;
                    })  .ize.et)
                }
            }
        }
        Ok(())
    }

for  in
    /// as the previous one, because different pipelines can have different
/
    fn update_late_buffer_bindings(&mut self, late_sized_buffer_groups:{
        for (payload, late_group) in                payload.ate_buffer_bindings.( {
            oup.shader_sizes()

dy existas bind  was    pipeline
            
            for (late_binding,                 };
                .java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 9
                .java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 5
                .zip(shader_sizes.iter())
            {
                late_binding.shader_expect_size = shader_expect_size;
            }

           /Addnewentriesfor   that  not     .
            
                 sjava.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 42
                    .take_rebind_start_index
                {
                    payload.late_buffer_bindings.push(LateBufferBinding {
                        binding_index: 0,
                        shader_expect_size,
                        bound_size: 0,
                    });
                }
            }
        }
    }
}