import { expect, describe, test } from 'bun:test'

import '../shrimp.grammar' // Importing this so changes cause it to retest!

describe('single line function blocks', () => {
  test('work with no args', () => {
    expect(`trap: echo bye bye end`).toMatchTree(`
  FunctionCallWithBlock
    FunctionCallOrIdentifier
      Identifier trap
    colon :
    Block
      FunctionCall
        Identifier echo
        PositionalArg
          Identifier bye
        PositionalArg
          Identifier bye
    keyword end`
    )
  })

  test('work with one arg', () => {
    expect(`trap EXIT: echo bye bye end`).toMatchTree(`
  FunctionCallWithBlock
    FunctionCall
      Identifier trap
      PositionalArg
        Word EXIT
    colon :
    Block
      FunctionCall
        Identifier echo
        PositionalArg
          Identifier bye
        PositionalArg
          Identifier bye
    keyword end`
    )
  })

  test('work with named args', () => {
    expect(`attach signal='exit': echo bye bye end`).toMatchTree(`
  FunctionCallWithBlock
    FunctionCall
      Identifier attach
      NamedArg
        NamedArgPrefix signal=
        String
          StringFragment exit
    colon :
    Block
      FunctionCall
        Identifier echo
        PositionalArg
          Identifier bye
        PositionalArg
          Identifier bye
    keyword end`
    )
  })


  test('work with dot-get', () => {
    expect(`signals = [=]; signals.trap 'EXIT': echo bye bye end`).toMatchTree(`
    Assign
      AssignableIdentifier signals
      Eq =
      Dict [=]
    FunctionCallWithBlock
      FunctionCall
        DotGet
          IdentifierBeforeDot signals
          Identifier trap
        PositionalArg
          String
            StringFragment EXIT
      colon :
      Block
        FunctionCall
          Identifier echo
          PositionalArg
            Identifier bye
          PositionalArg
            Identifier bye
      keyword end`
    )
  })
})

describe('multi line function blocks', () => {
  test('work with no args', () => {
    expect(`
trap: 
  echo bye bye 
end
`).toMatchTree(`
  FunctionCallWithBlock
    FunctionCallOrIdentifier
      Identifier trap
    colon :
    Block
      FunctionCall
        Identifier echo
        PositionalArg
          Identifier bye
        PositionalArg
          Identifier bye
    keyword end`
    )
  })

  test('work with one arg', () => {
    expect(`
trap EXIT: 
  echo bye bye 
end`).toMatchTree(`
  FunctionCallWithBlock
    FunctionCall
      Identifier trap
      PositionalArg
        Word EXIT
    colon :
    Block
      FunctionCall
        Identifier echo
        PositionalArg
          Identifier bye
        PositionalArg
          Identifier bye
    keyword end`
    )
  })

  test('work with named args', () => {
    expect(`
attach signal='exit' code=1:
  echo bye bye 
end`).toMatchTree(`
  FunctionCallWithBlock
    FunctionCall
      Identifier attach
      NamedArg
        NamedArgPrefix signal=
        String
          StringFragment exit
      NamedArg
        NamedArgPrefix code=
        Number 1
    colon :
    Block
      FunctionCall
        Identifier echo
        PositionalArg
          Identifier bye
        PositionalArg
          Identifier bye
    keyword end`
    )
  })


  test('work with dot-get', () => {
    expect(`
signals = [=]
signals.trap 'EXIT': 
  echo bye bye 
end`).toMatchTree(`
    Assign
      AssignableIdentifier signals
      Eq =
      Dict [=]
    FunctionCallWithBlock
      FunctionCall
        DotGet
          IdentifierBeforeDot signals
          Identifier trap
        PositionalArg
          String
            StringFragment EXIT
      colon :
      Block
        FunctionCall
          Identifier echo
          PositionalArg
            Identifier bye
          PositionalArg
            Identifier bye
      keyword end`
    )
  })
})

describe('ribbit', () => {
  test('head tag', () => {
    expect(`
head:
  title What up
  meta charSet=UTF-8
  meta name='viewport' content='width=device-width, initial-scale=1, viewport-fit=cover'
end`).toMatchTree(`
  FunctionCallWithBlock
    FunctionCallOrIdentifier
      Identifier head
    colon :
    Block
      FunctionCall
        Identifier title
        PositionalArg
          Word What
        PositionalArg
          Identifier up
      FunctionCall
        Identifier meta
        PositionalArg
          Word charSet=UTF-8
      FunctionCall
        Identifier meta
        NamedArg
          NamedArgPrefix name=
          String
            StringFragment viewport
        NamedArg
          NamedArgPrefix content=
          String
            StringFragment width=device-width, initial-scale=1, viewport-fit=cover
    keyword end
  `)
  })

  test('li', () => {
    expect(`
list:
  li border-bottom='1px solid black' one
  li two
  li three
end`).toMatchTree(`
  FunctionCallWithBlock
    FunctionCallOrIdentifier
      Identifier list
    colon :
    Block
      FunctionCall
        Identifier li
        NamedArg
          NamedArgPrefix border-bottom=
          String
            StringFragment 1px solid black
        PositionalArg
          Identifier one
      FunctionCall
        Identifier li
        PositionalArg
          Identifier two
      FunctionCall
        Identifier li
        PositionalArg
          Identifier three
    keyword end`)
  })

  test('inline expressions', () => {
    expect(`
p:
  h1 class=bright style='font-family: helvetica' Heya
  h2 man that is (b wild)!
end`)
      .toMatchTree(`
  FunctionCallWithBlock
    FunctionCallOrIdentifier
      Identifier p
    colon :
    Block
      FunctionCall
        Identifier h1
        NamedArg
          NamedArgPrefix class=
          Identifier bright
        NamedArg
          NamedArgPrefix style=
          String
            StringFragment font-family: helvetica
        PositionalArg
          Word Heya
      FunctionCall
        Identifier h2
        PositionalArg
          Identifier man
        PositionalArg
          Identifier that
        PositionalArg
          Identifier is
        PositionalArg
          ParenExpr
            FunctionCall
              Identifier b
              PositionalArg
                Identifier wild
        PositionalArg
          Word !
    keyword end`)
  })
})