import { z } from "astro/zod";
import { externalPropertyResponse, filePropertyResponse } from "./file.js";

function propertySchema<Type extends string, Schema extends z.ZodTypeAny>(
  type: Type,
  schema: Schema,
) {
  return z.object({
    type: z.literal(type),
    id: z.string(),
    [type]: schema,
  } as {
    type: z.ZodLiteral<Type>;
    id: z.ZodString;
  } & {
    [T in Type]: Schema;
  });
}

const userObjectResponse = z
  .object({
    id: z.string(),
    object: z.literal("user"),
  })
  .passthrough();

const selectPropertyResponse = z.object({
  id: z.string(),
  name: z.string(),
  color: z.string(),
});
const dateField = z.union([
  z.string().date(),
  z.string().datetime({ offset: true }),
]);
const dateResponse = z.object({
  start: dateField,
  end: dateField.nullable(),
  time_zone: z.string().nullable(),
});
const formulaPropertyResponse = z.discriminatedUnion("type", [
  z.object({
    type: z.literal("string"),
    string: z.string().nullable().nullable(),
  }),
  z.object({
    type: z.literal("date"),
    date: z.string().datetime({ offset: true }).nullable(),
  }),
  z.object({
    type: z.literal("number"),
    number: z.number().nullable(),
  }),
  z.object({
    type: z.literal("boolean"),
    boolean: z.boolean().nullable(),
  }),
]);
const baseRickTextResponse = z.object({
  annotations: z
    .object({
      bold: z.boolean(),
      italic: z.boolean(),
      strikethrough: z.boolean(),
      underline: z.boolean(),
      code: z.boolean(),
      color: z.string(),
    })
    .passthrough(),
  plain_text: z.string(),
  href: z.string().nullable(),
});
const richTextItemResponse = z.discriminatedUnion("type", [
  baseRickTextResponse.extend({
    type: z.literal("text"),
    text: z.object({
      content: z.string(),
      link: z
        .object({
          url: z.string(),
        })
        .nullable(),
    }),
  }),
  baseRickTextResponse.extend({
    type: z.literal("mention"),
    mention: z
      .object({
        type: z.enum([
          "user",
          "date",
          "link_preview",
          "template_mention",
          "page",
          "database",
        ]),
      })
      .passthrough(),
  }),
  baseRickTextResponse.extend({
    type: z.literal("equation"),
    equation: z.object({
      expression: z.string(),
    }),
  }),
]);
const relationResponse = z.object({ id: z.string() });

export const number = propertySchema("number", z.number().nullable());
export const url = propertySchema("url", z.string().nullable());
export const select = propertySchema(
  "select",
  selectPropertyResponse.nullable(),
);
export const multi_select = propertySchema(
  "multi_select",
  z.array(selectPropertyResponse),
);
export const status = propertySchema(
  "status",
  selectPropertyResponse.nullable(),
);
export const date = propertySchema("date", dateResponse.nullable());
export const email = propertySchema("email", z.string().nullable());
export const phone_number = propertySchema(
  "phone_number",
  z.string().nullable(),
);
export const checkbox = propertySchema("checkbox", z.boolean());
export const files = propertySchema(
  "files",
  z.array(
    z.discriminatedUnion("type", [
      filePropertyResponse.extend({ name: z.string() }),
      externalPropertyResponse.extend({ name: z.string() }),
    ]),
  ),
);
export const created_by = propertySchema("created_by", userObjectResponse);
export const created_time = propertySchema(
  "created_time",
  z.string().datetime({ offset: true }),
);
export const last_edited_by = propertySchema(
  "last_edited_by",
  userObjectResponse,
);
export const last_edited_time = propertySchema(
  "last_edited_time",
  z.string().datetime({ offset: true }),
);
export const formula = propertySchema("formula", formulaPropertyResponse);
export const title = propertySchema("title", z.array(richTextItemResponse));
export const rich_text = propertySchema(
  "rich_text",
  z.array(richTextItemResponse),
);
export const people = propertySchema("people", z.array(userObjectResponse));
export const relation = propertySchema("relation", z.array(relationResponse));
export const rollup = propertySchema(
  "rollup",
  z.discriminatedUnion("type", [
    z.object({
      function: z.string(),
      type: z.literal("number"),
      number: z.number().nullable(),
    }),
    z.object({
      function: z.string(),
      type: z.literal("date"),
      date: z.string().datetime({ offset: true }).nullable(),
    }),
    z.object({
      function: z.string(),
      type: z.literal("array"),
      array: z.array(
        z.discriminatedUnion("type", [
          z.object({
            type: z.literal("title"),
            title: z.array(richTextItemResponse),
          }),
          z.object({
            type: z.literal("rich_text"),
            rich_text: z.array(richTextItemResponse),
          }),
          z.object({
            type: z.literal("people"),
            people: z.array(userObjectResponse),
          }),
          z.object({
            type: z.literal("relation"),
            relation: z.array(relationResponse),
          }),
        ]),
      ),
    }),
  ]),
);
export const unique_id = propertySchema("unique_id", z.any());