import { Type } from "@earendil-works/pi-ai";

export const StylePresetSchema = Type.Optional(Type.Union([
  Type.Literal("editorial"),
  Type.Literal("business"),
  Type.Literal("formal"),
]));

export const StyleSchema = Type.Optional(Type.Object({
  chineseBodyFont: Type.Optional(Type.String({ description: "Chinese body font, such as SimSun or Microsoft YaHei" })),
  latinBodyFont: Type.Optional(Type.String({ description: "Latin body font, such as Calibri or Times New Roman" })),
  headingFont: Type.Optional(Type.String({ description: "Heading font" })),
  bodySize: Type.Optional(Type.Number({ minimum: 8, maximum: 24 })),
  titleSize: Type.Optional(Type.Number({ minimum: 12, maximum: 48 })),
  heading1Size: Type.Optional(Type.Number({ minimum: 10, maximum: 40 })),
  heading2Size: Type.Optional(Type.Number({ minimum: 9, maximum: 32 })),
  heading3Size: Type.Optional(Type.Number({ minimum: 8, maximum: 28 })),
  lineSpacing: Type.Optional(Type.Number({ minimum: 1, maximum: 3, description: "Line spacing multiplier" })),
  firstLineIndent: Type.Optional(Type.Number({ minimum: 0, maximum: 4, description: "First-line indent in centimetres" })),
  margins: Type.Optional(Type.Object({
    top: Type.Optional(Type.Number({ minimum: 0.5, maximum: 5 })),
    bottom: Type.Optional(Type.Number({ minimum: 0.5, maximum: 5 })),
    left: Type.Optional(Type.Number({ minimum: 0.5, maximum: 5 })),
    right: Type.Optional(Type.Number({ minimum: 0.5, maximum: 5 })),
  }, { additionalProperties: false })),
  accentColor: Type.Optional(Type.String({ pattern: "^[0-9A-Fa-f]{6}$", description: "Six-digit hex colour without #" })),
  headerFooter: Type.Optional(Type.Boolean()),
}, { additionalProperties: false }));