import { IAgenticaController } from "@agentica/core";
import {
  AutoBeDatabase,
  AutoBeEventSource,
  AutoBeInterfaceSchemaRefineEvent,
  AutoBeOpenApi,
  AutoBeProgressEventBase,
} from "@autobe/interface";
import { AutoBeOpenApiTypeChecker } from "@autobe/utils";
import { IPointer, Singleton } from "tstl";
import typia, { ILlmApplication, IValidation } from "typia";
import { v7 } from "uuid";

import { AutoBeContext } from "../../context/AutoBeContext";
import { executeCachedBatch } from "../../utils/executeCachedBatch";
import { AutoBePreliminaryController } from "../common/AutoBePreliminaryController";
import { AutoBeDatabaseModelProgrammer } from "../database/programmers/AutoBeDatabaseModelProgrammer";
import { transformInterfaceSchemaRefineHistory } from "./histories/transformInterfaceSchemaRefineHistory";
import { AutoBeInterfaceSchemaProgrammer } from "./programmers/AutoBeInterfaceSchemaProgrammer";
import { AutoBeInterfaceSchemaRefineProgrammer } from "./programmers/AutoBeInterfaceSchemaRefineProgrammer";
import { IAutoBeInterfaceSchemaRefineApplication } from "./structures/IAutoBeInterfaceSchemaRefineApplication";
import { AutoBeJsonSchemaValidator } from "./utils/AutoBeJsonSchemaValidator";
import { fulfillJsonSchemaErrorMessages } from "./utils/fulfillJsonSchemaErrorMessages";

export async function orchestrateInterfaceSchemaRefine(
  ctx: AutoBeContext,
  props: {
    document: AutoBeOpenApi.IDocument;
    schemas: Record<string, AutoBeOpenApi.IJsonSchema>;
    instruction: string;
    progress: AutoBeProgressEventBase;
  },
): Promise<Record<string, AutoBeOpenApi.IJsonSchemaDescriptive>> {
  // Filter to only process object-type schemas (non-preset and object type)
  const typeNames: string[] = Object.entries(props.schemas)
    .filter(
      ([k, v]) =>
        AutoBeJsonSchemaValidator.isPreset(k) === false &&
        AutoBeOpenApiTypeChecker.isObject(v),
    )
    .map(([k]) => k);
  props.progress.total += typeNames.length;

  const x: Record<string, AutoBeOpenApi.IJsonSchemaDescriptive> = {};
  await executeCachedBatch(
    ctx,
    typeNames.map((it) => async (promptCacheKey) => {
      const counter = new Singleton(() => ++props.progress.completed);
      const predicate = (key: string) => key === it;
      const operations: AutoBeOpenApi.IOperation[] =
        props.document.operations.filter(
          (op) =>
            (op.requestBody && predicate(op.requestBody.typeName)) ||
            (op.responseBody && predicate(op.responseBody.typeName)),
        );
      try {
        const schema: AutoBeOpenApi.IJsonSchema = props.schemas[it];
        if (AutoBeOpenApiTypeChecker.isObject(schema) === false) {
          counter.get();
          return;
        }
        const refined: AutoBeOpenApi.IJsonSchemaDescriptive.IObject =
          await process(ctx, {
            instruction: props.instruction,
            document: props.document,
            typeName: it,
            operations,
            schema,
            progress: props.progress,
            promptCacheKey,
            counter,
          });
        x[it] = refined;
      } catch (error) {
        console.log("interfaceSchemaRefine failure", it, error);
        counter.get();
      }
    }),
  );
  return x;
}

async function process(
  ctx: AutoBeContext,
  props: {
    instruction: string;
    document: AutoBeOpenApi.IDocument;
    typeName: string;
    operations: AutoBeOpenApi.IOperation[];
    schema: AutoBeOpenApi.IJsonSchema.IObject;
    progress: AutoBeProgressEventBase;
    promptCacheKey: string;
    counter: Singleton<number>;
  },
): Promise<AutoBeOpenApi.IJsonSchemaDescriptive.IObject> {
  const preliminary: AutoBePreliminaryController<
    | "analysisSections"
    | "databaseSchemas"
    | "interfaceOperations"
    | "interfaceSchemas"
    | "previousAnalysisSections"
    | "previousDatabaseSchemas"
    | "previousInterfaceOperations"
    | "previousInterfaceSchemas"
    | "complete"
  > = new AutoBePreliminaryController({
    dispatch: (e) => ctx.dispatch(e),
    application:
      typia.json.application<IAutoBeInterfaceSchemaRefineApplication>(),
    source: SOURCE,
    kinds: [
      "analysisSections",
      "previousAnalysisSections",
      "databaseSchemas",
      "previousDatabaseSchemas",
      "interfaceOperations",
      "previousInterfaceOperations",
      "interfaceSchemas",
      "previousInterfaceSchemas",
      "complete",
    ],
    config: {
      database: "text",
      databaseProperty: true,
    },
    state: ctx.state(),
    all: {
      interfaceOperations: props.document.operations,
      interfaceSchemas: props.document.components.schemas,
    },
    local: {
      interfaceOperations: props.operations,
      interfaceSchemas: {
        [props.typeName]: props.schema as AutoBeOpenApi.IJsonSchemaDescriptive,
      },
      databaseSchemas: (() => {
        const expected: string =
          props.schema["x-autobe-database-schema"] ??
          AutoBeInterfaceSchemaProgrammer.getDatabaseSchemaName(props.typeName);
        const model: AutoBeDatabase.IModel | undefined = ctx
          .state()
          .database?.result.data.files.flatMap((f) => f.models)
          .find((m) => m.name === expected);
        if (model === undefined) return [];
        return AutoBeDatabaseModelProgrammer.getNeighbors({
          application: ctx.state().database!.result.data,
          model,
        });
      })(),
    },
  });
  const event: AutoBeInterfaceSchemaRefineEvent = await preliminary.orchestrate(
    ctx,
    async (out) => {
      const pointer: IPointer<IAutoBeInterfaceSchemaRefineApplication.IWrite | null> =
        {
          value: null,
        };
      const result: AutoBeContext.IResult = await ctx.conversate({
        source: SOURCE,
        controller: createController(ctx, {
          typeName: props.typeName,
          operations: props.document.operations,
          schema: props.schema,
          preliminary,
          pointer,
        }),
        enforceFunctionCall: true,
        promptCacheKey: props.promptCacheKey,
        ...transformInterfaceSchemaRefineHistory({
          state: ctx.state(),
          instruction: props.instruction,
          typeName: props.typeName,
          operations: props.operations,
          schema: props.schema,
          preliminary,
        }),
      });
      if (pointer.value === null) return out(result)(null);

      return out(result)({
        type: SOURCE,
        id: v7(),
        typeName: props.typeName,
        schema: props.schema,
        review: pointer.value.review,
        databaseSchema: pointer.value.databaseSchema,
        specification: pointer.value.specification,
        description: pointer.value.description,
        excludes: pointer.value.excludes,
        revises: pointer.value.revises,
        acquisition: preliminary.getAcquisition(),
        metric: result.metric,
        tokenUsage: result.tokenUsage,
        step: ctx.state().analyze?.step ?? 0,
        total: props.progress.total,
        completed: props.counter.get(),
        created_at: new Date().toISOString(),
      } satisfies AutoBeInterfaceSchemaRefineEvent);
    },
  );
  ctx.dispatch(event);
  return AutoBeInterfaceSchemaRefineProgrammer.execute({
    schema: props.schema,
    databaseSchema: event.databaseSchema,
    specification: event.specification,
    description: event.description,
    revises: event.revises,
  });
}

function createController(
  ctx: AutoBeContext,
  props: {
    typeName: string;
    schema: AutoBeOpenApi.IJsonSchema.IObject;
    operations: AutoBeOpenApi.IOperation[];
    pointer: IPointer<
      IAutoBeInterfaceSchemaRefineApplication.IWrite | null | false
    >;
    preliminary: AutoBePreliminaryController<
      | "analysisSections"
      | "databaseSchemas"
      | "interfaceOperations"
      | "interfaceSchemas"
      | "previousAnalysisSections"
      | "previousDatabaseSchemas"
      | "previousInterfaceOperations"
      | "previousInterfaceSchemas"
      | "complete"
    >;
  },
): IAgenticaController.IClass {
  const validate: Validator = (next) => {
    const result: IValidation<IAutoBeInterfaceSchemaRefineApplication.IProps> =
      typia.validate<IAutoBeInterfaceSchemaRefineApplication.IProps>(next);
    if (result.success === false) {
      fulfillJsonSchemaErrorMessages(result.errors);
      return result;
    } else if (result.data.request.type !== "write")
      return props.preliminary.validate({
        thinking: result.data.thinking,
        request: result.data.request,
      });

    const errors: IValidation.IError[] = [];
    AutoBeInterfaceSchemaRefineProgrammer.validate({
      typeName: props.typeName,
      schema: props.schema,
      everyModels:
        ctx.state().database?.result.data.files.flatMap((f) => f.models) ?? [],
      databaseSchema: result.data.request.databaseSchema,
      excludes: result.data.request.excludes,
      revises: result.data.request.revises,
      errors,
      path: `$input.request`,
    });
    return errors.length
      ? {
          success: false,
          errors,
          data: result.data,
        }
      : result;
  };

  const application: ILlmApplication = props.preliminary.fixApplication(
    typia.llm.application<IAutoBeInterfaceSchemaRefineApplication>({
      validate: {
        process: validate,
      },
    }),
  );
  AutoBeInterfaceSchemaRefineProgrammer.fixApplication({
    everyModels:
      ctx.state().database?.result.data.files.flatMap((f) => f.models) ?? [],
    application,
    typeName: props.typeName,
    schema: props.schema,
  });

  return {
    protocol: "class",
    name: SOURCE,
    application,
    execute: {
      process: (input) => {
        if (input.request.type === "write") props.pointer.value = input.request;
      },
    } satisfies IAutoBeInterfaceSchemaRefineApplication,
  };
}

type Validator = (
  input: unknown,
) => IValidation<IAutoBeInterfaceSchemaRefineApplication.IProps>;

const SOURCE = "interfaceSchemaRefine" satisfies AutoBeEventSource;