import { mutation } from "./_generated/server";

export const seedDemo = mutation({
  args: {},
  handler: async (ctx) => {
    const tenantId = "tenant-atlas";
    const desiredQueues = [
      { name: "Chamados", slug: "chamados" },
      { name: "Laboratório", slug: "laboratorio" },
      { name: "Visitas", slug: "visitas" },
    ];

    // Ensure queues
    const existingQueues = await ctx.db
      .query("queues")
      .withIndex("by_tenant", (q) => q.eq("tenantId", tenantId))
      .collect();

    const normalizedQueues = await Promise.all(
      existingQueues.map(async (queue) => {
        if (!queue) return queue;
        if (queue.name === "Suporte N1" || queue.slug === "suporte-n1") {
          await ctx.db.patch(queue._id, { name: "Chamados", slug: "chamados" });
          return (await ctx.db.get(queue._id)) ?? queue;
        }
        if (queue.name === "Suporte N2" || queue.slug === "suporte-n2") {
          await ctx.db.patch(queue._id, { name: "Laboratório", slug: "laboratorio" });
          return (await ctx.db.get(queue._id)) ?? queue;
        }
        return queue;
      })
    );

    const presentQueues = normalizedQueues.filter(
      (queue): queue is NonNullable<(typeof normalizedQueues)[number]> => Boolean(queue)
    );
    const queuesBySlug = new Map(presentQueues.map((queue) => [queue.slug, queue]));
    const queuesByName = new Map(presentQueues.map((queue) => [queue.name, queue]));
    const queues = [] as typeof presentQueues;

    for (const def of desiredQueues) {
      let queue = queuesBySlug.get(def.slug) ?? queuesByName.get(def.name);
      if (!queue) {
        const newId = await ctx.db.insert("queues", { tenantId, name: def.name, slug: def.slug, teamId: undefined });
        queue = (await ctx.db.get(newId))!;
        queuesBySlug.set(queue.slug, queue);
        queuesByName.set(queue.name, queue);
      }
      queues.push(queue);
    }

    const queueChamados = queuesBySlug.get("chamados");
    const queueLaboratorio = queuesBySlug.get("laboratorio");
    if (!queueChamados || !queueLaboratorio) {
      throw new Error("Filas padrão não foram inicializadas");
    }

    // Ensure users
    async function ensureUser(name: string, email: string, role = "AGENT") {
      const found = await ctx.db
        .query("users")
        .withIndex("by_tenant_email", (q) => q.eq("tenantId", tenantId).eq("email", email))
        .first();
      if (found) {
        const updates: Record<string, unknown> = {};
        if (found.name !== name) updates.name = name;
        if ((found.role ?? "AGENT") !== role) updates.role = role;
        const desiredAvatar = role === "CUSTOMER" ? found.avatarUrl ?? undefined : `https://avatar.vercel.sh/${name.split(" ")[0]}`;
        if (found.avatarUrl !== desiredAvatar) updates.avatarUrl = desiredAvatar;
        if (Object.keys(updates).length > 0) {
          await ctx.db.patch(found._id, updates);
        }
        return found._id;
      }
      return await ctx.db.insert("users", { tenantId, name, email, role, avatarUrl: role === "CUSTOMER" ? undefined : `https://avatar.vercel.sh/${name.split(" ")[0]}` });
    }
    const adminId = await ensureUser("Administrador", "admin@sistema.dev", "ADMIN");
    const staffRoster = [
      { name: "Gabriel Oliveira", email: "gabriel.oliveira@rever.com.br" },
      { name: "George Araujo", email: "george.araujo@rever.com.br" },
      { name: "Hugo Soares", email: "hugo.soares@rever.com.br" },
      { name: "Julio Cesar", email: "julio@rever.com.br" },
      { name: "Lorena Magalhães", email: "lorena@rever.com.br" },
      { name: "Rever", email: "renan.pac@paulicon.com.br" },
      { name: "Thiago Medeiros", email: "thiago.medeiros@rever.com.br" },
      { name: "Weslei Magalhães", email: "weslei@rever.com.br" },
    ];

    const staffIds = await Promise.all(staffRoster.map((staff) => ensureUser(staff.name, staff.email)));
    const defaultAssigneeId = staffIds[0] ?? adminId;
    const eduardaId = await ensureUser("Eduarda Rocha", "eduarda.rocha@example.com", "CUSTOMER");
    const clienteDemoId = await ensureUser("Cliente Demo", "cliente.demo@sistema.dev", "CUSTOMER");

    const templateDefinitions = [
      {
        title: "A Rever agradece seu contato",
        body: "<p>A Rever agradece seu contato. Recebemos sua solicitação e nossa equipe já está analisando os detalhes. Retornaremos com atualizações em breve.</p>",
      },
      {
        title: "Atualização do chamado",
        body: "<p>Seu chamado foi atualizado. Caso tenha novas informações ou dúvidas, basta responder a esta mensagem.</p>",
      },
      {
        title: "Chamado resolvido",
        body: "<p>Concluímos o atendimento deste chamado. A Rever agradece a parceria e permanecemos à disposição para novos suportes.</p>",
      },
    ];

    const existingTemplates = await ctx.db
      .query("commentTemplates")
      .withIndex("by_tenant", (q) => q.eq("tenantId", tenantId))
      .collect();

    for (const definition of templateDefinitions) {
      const already = existingTemplates.find((template) => template?.title === definition.title);
      if (already) continue;
      const timestamp = Date.now();
      await ctx.db.insert("commentTemplates", {
        tenantId,
        title: definition.title,
        body: definition.body,
        createdBy: adminId,
        updatedBy: adminId,
        createdAt: timestamp,
        updatedAt: timestamp,
      });
    }

    // Seed a couple of tickets
    const now = Date.now();
    const newestRef = await ctx.db
      .query("tickets")
      .withIndex("by_tenant_reference", (q) => q.eq("tenantId", tenantId))
      .order("desc")
      .take(1);
    let ref = newestRef[0]?.reference ?? 41000;
    const queue1 = queueChamados._id;
    const queue2 = queueLaboratorio._id;

    const t1 = await ctx.db.insert("tickets", {
      tenantId,
      reference: ++ref,
      subject: "Erro 500 ao acessar portal do cliente",
      summary: "Clientes relatam erro intermitente no portal web",
      status: "OPEN",
      priority: "URGENT",
      channel: "EMAIL",
      queueId: queue1,
      requesterId: eduardaId,
      assigneeId: defaultAssigneeId,
      createdAt: now - 1000 * 60 * 60 * 5,
      updatedAt: now - 1000 * 60 * 10,
      tags: ["portal", "cliente"],
    });
    await ctx.db.insert("ticketEvents", { ticketId: t1, type: "CREATED", createdAt: now - 1000 * 60 * 60 * 5, payload: {} });

    const t2 = await ctx.db.insert("tickets", {
      tenantId,
      reference: ++ref,
      subject: "Integração ERP parada",
      summary: "Webhook do ERP retornando timeout",
      status: "PENDING",
      priority: "HIGH",
      channel: "WHATSAPP",
      queueId: queue2,
      requesterId: clienteDemoId,
      assigneeId: defaultAssigneeId,
      createdAt: now - 1000 * 60 * 60 * 8,
      updatedAt: now - 1000 * 60 * 30,
      tags: ["Integração", "erp"],
    });
    await ctx.db.insert("ticketEvents", { ticketId: t2, type: "CREATED", createdAt: now - 1000 * 60 * 60 * 8, payload: {} });
  },
});