// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

// Code generated by "cmd/pdatagen/main.go". DO NOT EDIT.
// To regenerate this file run "go run cmd/pdatagen/main.go".

package pdata

import (
	otlpcommon "go.opentelemetry.io/collector/internal/data/opentelemetry-proto-gen/common/v1"
)

// InstrumentationLibrary is a message representing the instrumentation library information.
//
// This is a reference type, if passed by value and callee modifies it the
// caller will see the modification.
//
// Must use NewInstrumentationLibrary function to create new instances.
// Important: zero-initialized instance is not valid for use.
type InstrumentationLibrary struct {
	orig *otlpcommon.InstrumentationLibrary
}

func newInstrumentationLibrary(orig *otlpcommon.InstrumentationLibrary) InstrumentationLibrary {
	return InstrumentationLibrary{orig: orig}
}

// NewInstrumentationLibrary creates a new empty InstrumentationLibrary.
//
// This must be used only in testing code since no "Set" method available.
func NewInstrumentationLibrary() InstrumentationLibrary {
	return newInstrumentationLibrary(&otlpcommon.InstrumentationLibrary{})
}

// Name returns the name associated with this InstrumentationLibrary.
//
// Important: This causes a runtime error if IsNil() returns "true".
func (ms InstrumentationLibrary) Name() string {
	return (*ms.orig).Name
}

// SetName replaces the name associated with this InstrumentationLibrary.
//
// Important: This causes a runtime error if IsNil() returns "true".
func (ms InstrumentationLibrary) SetName(v string) {
	(*ms.orig).Name = v
}

// Version returns the version associated with this InstrumentationLibrary.
//
// Important: This causes a runtime error if IsNil() returns "true".
func (ms InstrumentationLibrary) Version() string {
	return (*ms.orig).Version
}

// SetVersion replaces the version associated with this InstrumentationLibrary.
//
// Important: This causes a runtime error if IsNil() returns "true".
func (ms InstrumentationLibrary) SetVersion(v string) {
	(*ms.orig).Version = v
}

// CopyTo copies all properties from the current struct to the dest.
func (ms InstrumentationLibrary) CopyTo(dest InstrumentationLibrary) {
	dest.SetName(ms.Name())
	dest.SetVersion(ms.Version())
}

// AnyValueArray logically represents a slice of AttributeValue.
//
// This is a reference type, if passed by value and callee modifies it the
// caller will see the modification.
//
// Must use NewAnyValueArray function to create new instances.
// Important: zero-initialized instance is not valid for use.
type AnyValueArray struct {
	// orig points to the slice otlpcommon.AnyValue field contained somewhere else.
	// We use pointer-to-slice to be able to modify it in functions like Resize.
	orig *[]otlpcommon.AnyValue
}

func newAnyValueArray(orig *[]otlpcommon.AnyValue) AnyValueArray {
	return AnyValueArray{orig}
}

// NewAnyValueArray creates a AnyValueArray with 0 elements.
// Can use "Resize" to initialize with a given length.
func NewAnyValueArray() AnyValueArray {
	orig := []otlpcommon.AnyValue(nil)
	return AnyValueArray{&orig}
}

// Len returns the number of elements in the slice.
//
// Returns "0" for a newly instance created with "NewAnyValueArray()".
func (es AnyValueArray) Len() int {
	return len(*es.orig)
}

// At returns the element at the given index.
//
// This function is used mostly for iterating over all the values in the slice:
// for i := 0; i < es.Len(); i++ {
//     e := es.At(i)
//     ... // Do something with the element
// }
func (es AnyValueArray) At(ix int) AttributeValue {
	return newAttributeValue(&(*es.orig)[ix])
}

// MoveAndAppendTo moves all elements from the current slice and appends them to the dest.
// The current slice will be cleared.
func (es AnyValueArray) MoveAndAppendTo(dest AnyValueArray) {
	if *dest.orig == nil {
		// We can simply move the entire vector and avoid any allocations.
		*dest.orig = *es.orig
	} else {
		*dest.orig = append(*dest.orig, *es.orig...)
	}
	*es.orig = nil
}

// CopyTo copies all elements from the current slice to the dest.
func (es AnyValueArray) CopyTo(dest AnyValueArray) {
	srcLen := es.Len()
	destCap := cap(*dest.orig)
	if srcLen <= destCap {
		(*dest.orig) = (*dest.orig)[:srcLen:destCap]
	} else {
		(*dest.orig) = make([]otlpcommon.AnyValue, srcLen)
	}

	for i := range *es.orig {
		newAttributeValue(&(*es.orig)[i]).CopyTo(newAttributeValue(&(*dest.orig)[i]))
	}
}

// Resize is an operation that resizes the slice:
// 1. If the newLen <= len then equivalent with slice[0:newLen:cap].
// 2. If the newLen > len then (newLen - cap) empty elements will be appended to the slice.
//
// Here is how a new AnyValueArray can be initialized:
// es := NewAnyValueArray()
// es.Resize(4)
// for i := 0; i < es.Len(); i++ {
//     e := es.At(i)
//     // Here should set all the values for e.
// }
func (es AnyValueArray) Resize(newLen int) {
	oldLen := len(*es.orig)
	oldCap := cap(*es.orig)
	if newLen <= oldLen {
		*es.orig = (*es.orig)[:newLen:oldCap]
		return
	}

	if newLen > oldCap {
		newOrig := make([]otlpcommon.AnyValue, oldLen, newLen)
		copy(newOrig, *es.orig)
		*es.orig = newOrig
	}

	// Add extra empty elements to the array.
	empty := otlpcommon.AnyValue{}
	for i := oldLen; i < newLen; i++ {
		*es.orig = append(*es.orig, empty)
	}
}

// Append will increase the length of the AnyValueArray by one and set the
// given AttributeValue at that new position.  The original AttributeValue
// could still be referenced so do not reuse it after passing it to this
// method.
func (es AnyValueArray) Append(e AttributeValue) {
	*es.orig = append(*es.orig, *e.orig)
}
