import { IAgenticaController } from "@agentica/core";
import {
  AutoBeDatabaseComponent,
  AutoBeDatabaseComponentEvent,
  AutoBeDatabaseGroup,
  AutoBeEventSource,
  AutoBeProgressEventBase,
} from "@autobe/interface";
import { IPointer, Singleton } from "tstl";
import typia, { ILlmApplication, IValidation } from "typia";
import { v7 } from "uuid";

import { AutoBeContext } from "../../context/AutoBeContext";
import { buildAnalysisContextSections } from "../../utils/RAGRetrieval";
import { executeCachedBatch } from "../../utils/executeCachedBatch";
import { getEmbedder } from "../../utils/getEmbedder";
import { AutoBePreliminaryController } from "../common/AutoBePreliminaryController";
import { convertToSectionEntries } from "../common/internal/convertToSectionEntries";
import { IAnalysisSectionEntry } from "../common/structures/IAnalysisSectionEntry";
import { transformDatabaseComponentsHistory } from "./histories/transformDatabaseComponentsHistory";
import { AutoBeDatabaseComponentProgrammer } from "./programmers/AutoBeDatabaseComponentProgrammer";
import { IAutoBeDatabaseComponentApplication } from "./structures/IAutoBeDatabaseComponentApplication";

export async function orchestrateDatabaseComponent(
  ctx: AutoBeContext,
  props: {
    instruction: string;
    groups: AutoBeDatabaseGroup[];
  },
): Promise<AutoBeDatabaseComponent[]> {
  // Filter to only process domain groups - authorization groups are handled
  // by orchestratePrismaAuthorization separately
  const domainGroups = props.groups.filter((g) => g.kind === "domain");
  if (domainGroups.length === 0) return [];

  const prefix: string | null = ctx.state().analyze?.prefix ?? null;
  const progress: AutoBeProgressEventBase = {
    completed: 0,
    total: domainGroups.length,
  };

  const components: AutoBeDatabaseComponent[] = await executeCachedBatch(
    ctx,
    domainGroups.map((group) => async (promptCacheKey) => {
      const counter = new Singleton(() => ++progress.completed);
      try {
        const component: AutoBeDatabaseComponent = await process(ctx, {
          group,
          instruction: props.instruction,
          prefix,
          progress,
          counter,
          promptCacheKey,
        });
        return component;
      } catch (error) {
        counter.get();
        throw error;
      }
    }),
  );
  return AutoBeDatabaseComponentProgrammer.removeDuplicatedTable(components);
}

async function process(
  ctx: AutoBeContext,
  props: {
    group: AutoBeDatabaseGroup;
    instruction: string;
    prefix: string | null;
    progress: AutoBeProgressEventBase;
    counter: Singleton<number>;
    promptCacheKey: string;
  },
): Promise<AutoBeDatabaseComponent> {
  const allSections: IAnalysisSectionEntry[] = convertToSectionEntries(
    ctx.state().analyze?.files ?? [],
  );
  const queryText: string = [
    "prisma",
    "schema",
    "component",
    props.group.filename,
    props.group.namespace,
  ].join(" ");

  const ragSections: IAnalysisSectionEntry[] =
    await buildAnalysisContextSections(
      getEmbedder(),
      allSections,
      queryText,
      "TOPK",
      { log: false, logPrefix: "prismaComponent" },
    );

  const preliminary: AutoBePreliminaryController<
    | "analysisSections"
    | "previousAnalysisSections"
    | "previousDatabaseSchemas"
    | "complete"
  > = new AutoBePreliminaryController({
    dispatch: (e) => ctx.dispatch(e),
    application: typia.json.application<IAutoBeDatabaseComponentApplication>(),
    source: SOURCE,
    kinds: [
      "analysisSections",
      "previousAnalysisSections",
      "previousDatabaseSchemas",
      "complete",
    ],
    state: ctx.state(),
    local: {
      analysisSections: ragSections,
    },
  });

  const event: AutoBeDatabaseComponentEvent = await preliminary.orchestrate(
    ctx,
    async (out) => {
      const pointer: IPointer<IAutoBeDatabaseComponentApplication.IWrite | null> =
        {
          value: null,
        };
      const result: AutoBeContext.IResult = await ctx.conversate({
        source: SOURCE,
        controller: createController({
          pointer,
          preliminary,
          prefix: props.prefix,
        }),
        enforceFunctionCall: true,
        promptCacheKey: props.promptCacheKey,
        ...transformDatabaseComponentsHistory(ctx.state(), {
          instruction: props.instruction,
          prefix: props.prefix,
          preliminary,
          group: props.group,
        }),
      });
      if (pointer.value === null) return out(result)(null);

      // Build complete component from group skeleton + tables
      const component: AutoBeDatabaseComponent = {
        ...props.group,
        tables: pointer.value.tables,
      };
      return out(result)({
        type: SOURCE,
        id: v7(),
        created_at: new Date().toISOString(),
        analysis: pointer.value.analysis,
        rationale: pointer.value.rationale,
        component,
        acquisition: preliminary.getAcquisition(),
        metric: result.metric,
        tokenUsage: result.tokenUsage,
        step: ctx.state().analyze?.step ?? 0,
        total: props.progress.total,
        completed: props.counter.get(),
      });
    },
  );
  ctx.dispatch(event);
  return event.component;
}

function createController(props: {
  pointer: IPointer<IAutoBeDatabaseComponentApplication.IWrite | null>;
  preliminary: AutoBePreliminaryController<
    | "analysisSections"
    | "previousAnalysisSections"
    | "previousDatabaseSchemas"
    | "complete"
  >;
  prefix: string | null;
}): IAgenticaController.IClass {
  const validate: Validator = (input) => {
    const result: IValidation<IAutoBeDatabaseComponentApplication.IProps> =
      typia.validate<IAutoBeDatabaseComponentApplication.IProps>(input);
    if (result.success === false) 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[] = [];
    AutoBeDatabaseComponentProgrammer.validate({
      errors,
      prefix: props.prefix,
      tables: result.data.request.tables,
      path: "$input.request.tables",
    });
    if (errors.length > 0)
      return {
        success: false,
        data: result.data,
        errors,
      };
    return result;
  };
  const application: ILlmApplication = props.preliminary.fixApplication(
    typia.llm.application<IAutoBeDatabaseComponentApplication>({
      validate: {
        process: validate,
      },
    }),
  );
  return {
    protocol: "class",
    name: SOURCE,
    application,
    execute: {
      process: (input) => {
        if (input.request.type === "write") props.pointer.value = input.request;
      },
    } satisfies IAutoBeDatabaseComponentApplication,
  };
}

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

const SOURCE = "databaseComponent" satisfies AutoBeEventSource;