feat: NCS-37 Add initial API structure and DTOs for NowChess application

modules/api/src/main/scala/de/nowchess/api/dto/ApiErrorDto.scala

@@ -0,0 +1,3 @@
+package de.nowchess.api.dto
+
+final case class ApiErrorDto(code: String, message: String, field: Option[String])

modules/api/src/main/scala/de/nowchess/api/dto/CreateGameRequestDto.scala

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+package de.nowchess.api.dto
+
+final case class CreateGameRequestDto(
+    white: Option[PlayerInfoDto],
+    black: Option[PlayerInfoDto],
+)

modules/api/src/main/scala/de/nowchess/api/dto/ErrorEventDto.scala

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+package de.nowchess.api.dto
+
+final case class ErrorEventDto(`type`: String, error: ApiErrorDto)
+
+object ErrorEventDto:
+  def apply(error: ApiErrorDto): ErrorEventDto = ErrorEventDto("error", error)

modules/api/src/main/scala/de/nowchess/api/dto/GameFullDto.scala

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+package de.nowchess.api.dto
+
+final case class GameFullDto(
+    gameId: String,
+    white: PlayerInfoDto,
+    black: PlayerInfoDto,
+    state: GameStateDto,
+)

modules/api/src/main/scala/de/nowchess/api/dto/GameFullEventDto.scala

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+package de.nowchess.api.dto
+
+final case class GameFullEventDto(`type`: String, game: GameFullDto)
+
+object GameFullEventDto:
+  def apply(game: GameFullDto): GameFullEventDto = GameFullEventDto("gameFull", game)

modules/api/src/main/scala/de/nowchess/api/dto/GameStateDto.scala

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+package de.nowchess.api.dto
+
+final case class GameStateDto(
+    fen: String,
+    pgn: String,
+    turn: String,
+    status: String,
+    winner: Option[String],
+    moves: List[String],
+    undoAvailable: Boolean,
+    redoAvailable: Boolean,
+)

modules/api/src/main/scala/de/nowchess/api/dto/GameStateEventDto.scala

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+package de.nowchess.api.dto
+
+final case class GameStateEventDto(`type`: String, state: GameStateDto)
+
+object GameStateEventDto:
+  def apply(state: GameStateDto): GameStateEventDto = GameStateEventDto("gameState", state)

modules/api/src/main/scala/de/nowchess/api/dto/ImportFenRequestDto.scala

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+package de.nowchess.api.dto
+
+final case class ImportFenRequestDto(
+    fen: String,
+    white: Option[PlayerInfoDto],
+    black: Option[PlayerInfoDto],
+)

modules/api/src/main/scala/de/nowchess/api/dto/ImportPgnRequestDto.scala

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+package de.nowchess.api.dto
+
+final case class ImportPgnRequestDto(pgn: String)

modules/api/src/main/scala/de/nowchess/api/dto/LegalMoveDto.scala

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+package de.nowchess.api.dto
+
+final case class LegalMoveDto(
+    from: String,
+    to: String,
+    uci: String,
+    moveType: String,
+    promotion: Option[String],
+)

modules/api/src/main/scala/de/nowchess/api/dto/LegalMovesResponseDto.scala

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+package de.nowchess.api.dto
+
+final case class LegalMovesResponseDto(moves: List[LegalMoveDto])

modules/api/src/main/scala/de/nowchess/api/dto/OkResponseDto.scala

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+package de.nowchess.api.dto
+
+final case class OkResponseDto(ok: Boolean = true)

modules/api/src/main/scala/de/nowchess/api/dto/PlayerInfoDto.scala

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+package de.nowchess.api.dto
+
+final case class PlayerInfoDto(id: String, displayName: String)