import { Client } from "@notionhq/client";
import { writeFileSync } from "fs";
import { checkDataConsistency } from "./data/checkDataConsistency";
import { fetchFamiliesWithEventsFromNotion } from "./notion/fetch/fetchFamiliesWithEventsFromNotion";
import { publishStatisticsToNotion } from "./notion/publish/v1/publishStatisticsToNotion";
import { publishStatsToPage } from "./notion/publish/v2/publishStatsToPage";
import { computeELStats } from "./statistiques/v1/computeELStats";
import { computeStatsParAnciennete } from "./statistiques/v1/computeEvenementsParAnciennete";
import { computeStatsPenales } from "./statistiques/v2/penales/computeStatsPenales";
import { statsPenalesDesc } from "./statistiques/v2/penales/StatsPenales";
import { computeStatsGenerales } from "./statistiques/v2/generales/computeStatsGenerales";
import { statsGeneralesDesc } from "./statistiques/v2/generales/StatsGenerales";
import { computeStatsSociales } from "./statistiques/v2/sociales/computeStatsSociales";
import { statsSocialesDesc } from "./statistiques/v2/sociales/StatsSociales";
import { checkDbSchemas } from "./notion/fetch/schemaCheck/checkDbSchemas";
import { computeSequencEvtPenalSankeyData } from "./statistiques/v2/penales/computeSankeyData";
import { sankeyDataToMermaidDiagram } from "./statistiques/v2/sankey/sankeyDataToMermaidDiagram";
import { formatDate } from "date-fns";

type ProcessOptions = {
  dryRun: boolean;
  notionApiToken: string;
};

/**
 * Build options from process args and env
 */
function buildProcessOptions(): ProcessOptions {
  const notionApiToken = process.env.NOTION_TOKEN;
  if (!notionApiToken) {
    throw new Error("process.env.NOTION_TOKEN not defined");
  }
  const dryRun = process.argv.length >= 2 && process.argv[2] === "--dry-run";
  return {
    dryRun: dryRun,
    notionApiToken: notionApiToken,
  };
}

(async function IIFE() {
  const options = buildProcessOptions();

  const notionClient = new Client({
    auth: options.notionApiToken,
  });

  console.log("Checking DB schemas...");
  await checkDbSchemas(notionClient);

  console.log("Fetching families...");
  const doFetch = true;

  const familles = doFetch
    ? await fetchFamiliesWithEventsFromNotion(notionClient)
    : [];

  console.log("Checking Data Consistency issues...");
  const consistencyReport = checkDataConsistency(familles);
  if (consistencyReport.errors.length > 0) {
    console.error(
      `Found ${consistencyReport.errors.length} consistency error(s) that prevent building stats:`
    );
    console.error(consistencyReport.errors);
    process.exit(1);
  }
  if (consistencyReport.warnings.length > 0) {
    console.warn(
      `Found ${consistencyReport.warnings.length} non blocking consistency warning(s):`
    );
    console.warn(consistencyReport.warnings);
  }

  const currentDate = new Date(Date.now());

  console.log("Building statistics...");
  const elStats = computeELStats(familles, currentDate);

  const statsParAnciennete = computeStatsParAnciennete(familles);
  writeFileSync(
    "./el-stats-par-anciennete.json",
    JSON.stringify(statsParAnciennete, null, "  ")
  );

  const statsGenerales = computeStatsGenerales(familles);
  const statsPenales = computeStatsPenales(familles);
  const statsSociales = computeStatsSociales(familles);

  console.log("Sankey Diagram:");
  writeFileSync(
    "./el-stats-penal-sankey-diagram.txt",
    sankeyDataToMermaidDiagram(computeSequencEvtPenalSankeyData(familles))
  );
  if (options.dryRun) {
    console.log(
      "Dry run => Skip Publishing. Stats are dumped in file el-stats-xxx.json"
    );
    writeFileSync("./el-stats-v1.json", JSON.stringify(elStats, null, "  "));

    writeFileSync(
      "./el-stats-v2.json",
      JSON.stringify(
        {
          generales: statsGenerales,
          penales: statsPenales,
          sociales: statsSociales,
        },
        null,
        "  "
      )
    );
  } else {
    console.log("Publishing statistics...");
    await publishStatisticsToNotion(elStats, currentDate, notionClient);

    const header = `
    Note: Sauf mention contraire les statistiques sont basées sur les familles résistantes & ex-résistantes.
    Dernière mise à jour le ${formatDate(currentDate, "dd/MM/yyyy à HH:mm")}

    `;
    await publishStatsToPage(
      notionClient,
      "313751fb-daed-4b33-992f-c86d7ac2de37",
      header,
      statsGeneralesDesc,
      statsGenerales
    );
    await publishStatsToPage(
      notionClient,
      "969eac5c-a4eb-49d4-b4ad-c341c9c4c785",
      header,
      statsPenalesDesc,
      statsPenales
    );
    await publishStatsToPage(
      notionClient,
      "68a8c03a-a4a2-4ff3-b044-7c8dbbdc28ce",
      header,
      statsSocialesDesc,
      statsSociales
    );
  }
})();