package plain

import (
  shimast "github.com/microsoft/typescript-go/shim/ast"
  shimchecker "github.com/microsoft/typescript-go/shim/checker"
  nativecontext "github.com/samchon/typia/packages/typia/native/core/context"
  nativefactories "github.com/samchon/typia/packages/typia/native/core/factories"
  nativeprogrammers "github.com/samchon/typia/packages/typia/native/core/programmers"
  nativehelpers "github.com/samchon/typia/packages/typia/native/core/programmers/helpers"
  nativeinternal "github.com/samchon/typia/packages/typia/native/core/programmers/internal"
)

type plainValidateClassifyProgrammerNamespace struct{}

var PlainValidateClassifyProgrammer = plainValidateClassifyProgrammerNamespace{}

type PlainValidateClassifyProgrammer_DecomposeProps struct {
  Context nativecontext.ITypiaContext
  Modulo  *shimast.Node
  Functor *nativehelpers.FunctionProgrammer
  Type    *shimchecker.Type
  Name    *string
}

var plainValidateClassifyProgrammer_factory = shimast.NewNodeFactory(shimast.NodeFactoryHooks{})

func (plainValidateClassifyProgrammerNamespace) Decompose(props PlainValidateClassifyProgrammer_DecomposeProps) nativeinternal.FeatureProgrammer_IDecomposed {
  f := nativecontext.EmitFactoryOf(plainValidateClassifyProgrammer_factory, props.Context.Emit)
  // Validate the INPUT against the redirected type (from/new seed or field-copy
  // instance shape for a class-TYPE target; the type itself otherwise) — never
  // typeof C's static members.
  validate := nativeprogrammers.ValidateProgrammer.Decompose(nativeprogrammers.ValidateProgrammer_DecomposeProps{
    Context: props.Context,
    Modulo:  props.Modulo,
    Functor: props.Functor,
    Config:  nativeprogrammers.ValidateProgrammer_IConfig{Equals: false},
    Type:    plainClassifyProgrammer_validation_type(props.Context, props.Type, plainClassifyProgrammer_call_file(props.Modulo)),
    Name:    props.Name,
  })
  classify := PlainClassifyProgrammer.Decompose(PlainClassifyProgrammer_DecomposeProps{
    Context:   props.Context,
    Functor:   props.Functor,
    Type:      props.Type,
    Name:      props.Name,
    Validated: true,
    Modulo:    props.Modulo,
  })
  statements := append([]*shimast.Node{}, validate.Statements...)
  statements = append(statements, classify.Statements...)
  statements = append(statements,
    nativefactories.StatementFactory.Constant(nativefactories.StatementFactory_ConstantProps{Name: "__validate", Value: validate.Arrow}, props.Context.Emit),
    nativefactories.StatementFactory.Constant(nativefactories.StatementFactory_ConstantProps{Name: "__classify", Value: classify.Arrow}, props.Context.Emit),
  )
  classifyType := classify.Arrow.AsArrowFunction().Type
  if classifyType == nil {
    classifyType = nativefactories.TypeFactory.Keyword("any", props.Context.Emit)
  }
  return nativeinternal.FeatureProgrammer_IDecomposed{
    Functions:  plainProgrammer_merge_functions(validate.Functions, classify.Functions),
    Statements: statements,
    Arrow: f.NewArrowFunction(
      nil,
      nil,
      f.NewNodeList([]*shimast.Node{
        nativefactories.IdentifierFactory.Parameter("input", nativefactories.TypeFactory.Keyword("any", props.Context.Emit), nil, props.Context.Emit),
      }),
      plainClassifyProgrammer_import_type(props.Context, nativecontext.ImportProgrammer_TypeProps{
        File:      "typia",
        Name:      "IValidation",
        Arguments: []*shimast.TypeNode{classifyType},
      }),
      nil,
      f.NewToken(shimast.KindEqualsGreaterThanToken),
      f.NewBlock(f.NewNodeList([]*shimast.Node{
        nativefactories.StatementFactory.Constant(nativefactories.StatementFactory_ConstantProps{
          Name: "result",
          Value: f.NewAsExpression(
            f.NewCallExpression(
              f.NewIdentifier("__validate"),
              nil,
              nil,
              f.NewNodeList([]*shimast.Node{f.NewIdentifier("input")}),
              shimast.NodeFlagsNone,
            ),
            nativefactories.TypeFactory.Keyword("any", props.Context.Emit),
          ),
        }, props.Context.Emit),
        f.NewIfStatement(
          f.NewIdentifier("result.success"),
          f.NewExpressionStatement(
            f.NewBinaryExpression(
              nil,
              f.NewIdentifier("result.data"),
              nil,
              f.NewToken(shimast.KindEqualsToken),
              f.NewCallExpression(
                f.NewIdentifier("__classify"),
                nil,
                nil,
                f.NewNodeList([]*shimast.Node{f.NewIdentifier("input")}),
                shimast.NodeFlagsNone,
              ),
            ),
          ),
          nil,
        ),
        f.NewReturnStatement(f.NewIdentifier("result")),
      }), true),
    ),
  }
}

func (plainValidateClassifyProgrammerNamespace) Write(props nativecontext.IProgrammerProps) *shimast.Node {
  functor := nativehelpers.NewFunctionProgrammer(plainClassifyProgrammer_method_text(props.Modulo), props.Context.Emit)
  result := PlainValidateClassifyProgrammer.Decompose(PlainValidateClassifyProgrammer_DecomposeProps{
    Context: props.Context,
    Modulo:  props.Modulo,
    Functor: functor,
    Type:    props.Type,
    Name:    props.Name,
  })
  return nativeinternal.FeatureProgrammer.WriteDecomposed(nativeinternal.FeatureProgrammer_WriteDecomposedProps{
    Modulo:  props.Modulo,
    Functor: functor,
    Result:  result,
  })
}