"use strict";

function createUnraidStateMethods({ path, bash, shellQuote, inventoryRemoteIdentity }) {
  class UnraidStateMethods {
    async refreshProfileState(fullName, profileId, expectedGiteaSha = null) {
      const repository = { fullName, name: fullName.split("/").pop() };
      const { profile, server, remotePath } = this.resolve(repository, profileId);
      const containerName = String(
        profile.containerName || profile.remoteFolder || repository.name,
      );
      const script = `
  root=${shellQuote(remotePath)}
  container=${shellQuote(containerName)}
  template_path=${shellQuote("/boot/config/plugins/dockerMan/templates-user/my-" + containerName + ".xml")}
  live=""; previous=""; running=false; docker_health=""; webui=""; icon=""; shell_label=""; template_exists=false
  [ -f "$template_path" ] && template_exists=true
  [ -f "$root/.forgeflow/current-sha" ] && live=$(cat "$root/.forgeflow/current-sha")
  [ -z "$live" ] && [ -d "$root/.git" ] && live=$(git -C "$root" rev-parse HEAD 2>/dev/null || true)
  [ -f "$root/.forgeflow/previous-sha" ] && previous=$(cat "$root/.forgeflow/previous-sha")
  if docker inspect "$container" >/dev/null 2>&1; then
    running=$(docker inspect -f '{{.State.Running}}' "$container" 2>/dev/null || echo false)
    docker_health=$(docker inspect -f '{{if .State.Health}}{{.State.Health.Status}}{{end}}' "$container" 2>/dev/null || true)
    webui=$(docker inspect -f '{{index .Config.Labels "net.unraid.docker.webui"}}' "$container" 2>/dev/null || true)
    icon=$(docker inspect -f '{{index .Config.Labels "net.unraid.docker.icon"}}' "$container" 2>/dev/null || true)
    shell_label=$(docker inspect -f '{{index .Config.Labels "net.unraid.docker.shell"}}' "$container" 2>/dev/null || true)
    [ -z "$live" ] && live=$(docker inspect -f '{{index .Config.Labels "org.opencontainers.image.revision"}}' "$container" 2>/dev/null || true)
    [ -z "$live" ] && live=$(docker inspect -f '{{index .Config.Labels "tech.itworx.forgeflow.commit"}}' "$container" 2>/dev/null || true)
  fi
  printf '__FORGEFLOW_KV__\n'
  printf 'liveSha=%s\n' "$live"
  printf 'previousSha=%s\n' "$previous"
  printf 'containerRunning=%s\n' "$running"
  printf 'dockerHealth=%s\n' "$docker_health"
  printf 'webUiLabel=%s\n' "$(printf '%s' "$webui" | base64 | tr -d '\r\n')"
  printf 'iconLabel=%s\n' "$(printf '%s' "$icon" | base64 | tr -d '\r\n')"
  printf 'shellLabel=%s\n' "$(printf '%s' "$shell_label" | base64 | tr -d '\r\n')"
  printf 'templateExists=%s\n' "$template_exists"
  `;
      const result = await this.ssh.exec(server.id, bash(script), {
        timeout: 30_000,
      });
      const marker = result.stdout.lastIndexOf("__FORGEFLOW_KV__");
      if (marker < 0)
        throw new Error(
          "Unraid state inspection did not return a ForgeFlow marker.",
        );
      const fields = {};
      for (const line of result.stdout
        .slice(marker + "__FORGEFLOW_KV__".length)
        .trim()
        .split(/\r?\n/)) {
        const index = line.indexOf("=");
        if (index > 0) fields[line.slice(0, index)] = line.slice(index + 1);
      }
      const decode = (value) => {
        try {
          return value ? Buffer.from(value, "base64").toString("utf8") : "";
        } catch {
          return "";
        }
      };
      const containerRunning = fields.containerRunning === "true";
      const health = containerRunning
        ? await this.checkHealth(profile.healthcheckUrl)
        : { configured: false, healthy: false, skipped: "container-stopped" };
      const dockerHealthy = fields.dockerHealth
        ? fields.dockerHealth === "healthy"
        : null;
      const effectiveHealthy = !containerRunning ? false : health.configured ? health.healthy : dockerHealthy;
      const runtimeVerification = !containerRunning
        ? "stopped"
        : health.configured
        ? "desktop-healthcheck"
        : dockerHealthy === true
          ? "docker-healthcheck"
          : dockerHealthy === false
            ? "docker-unhealthy"
            : containerRunning
              ? "running-unverified"
              : "stopped";
      return this.store.saveDeploymentState(profile.id, {
        liveSha: /^[0-9a-f]{40}$/i.test(fields.liveSha || "")
          ? fields.liveSha
          : null,
        previousSha: /^[0-9a-f]{40}$/i.test(fields.previousSha || "")
          ? fields.previousSha
          : null,
        healthy: effectiveHealthy,
        runtimeVerification,
        healthStatus: health.status,
        healthLatencyMs: health.latencyMs,
        containerName,
        containerRunning,
        dockerHealth: fields.dockerHealth || null,
        dockerMan: {
          webUi: decode(fields.webUiLabel),
          icon: decode(fields.iconLabel),
          shell: decode(fields.shellLabel),
          templateExists: fields.templateExists === "true",
          configured: Boolean(
            decode(fields.webUiLabel) ||
            decode(fields.iconLabel) ||
            fields.templateExists === "true",
          ),
        },
        webUiUrl:
          profile.webUiUrl ||
          (profile.hostPort
            ? `http://${server.host}:${profile.hostPort}/`
            : null),
        remotePath,
        provider: "ssh-unraid",
        giteaSha: /^[0-9a-f]{40}$/i.test(String(expectedGiteaSha || ""))
          ? expectedGiteaSha
          : null,
        matchesGitea:
          /^[0-9a-f]{40}$/i.test(String(expectedGiteaSha || "")) &&
          fields.liveSha === expectedGiteaSha,
      });
    }
  
    async applyDockerManMetadata({ repository, profileId }) {
      const { profile, server, remotePath } = this.resolve(repository, profileId);
      if (profile.generatedCompose !== true) {
        // Existing Compose files remain authoritative. Applying a generated
        // labels-only service fragment can create a phantom service when a stale
        // profile hint no longer matches the real Compose service keys.
        return this.refreshProfileState(repository.fullName, profileId);
      }
      const iconReference = await this.prepareIcon(profile, repository, server);
      const metadata = this.metadataCompose(profile, repository, iconReference);
      const compose = this.composeInvocation(profile, repository);
      const flags = this.composeUpFlags(profile);
      const script = `
  root=${shellQuote(remotePath)}
  test -d "$root"
  mkdir -p "$root/.forgeflow"
  cat > "$root/.forgeflow/compose.metadata.yml" <<'FORGEFLOW_METADATA'
  ${metadata}FORGEFLOW_METADATA
  cd "$root"
  ${compose} config >/dev/null
  ${compose} up -d --build ${flags}
  ${this.containerVerificationScript(profile, repository, compose)}
  ${this.dockerManRefreshScript(profile, repository, iconReference)}
  `;
      await this.ssh.exec(server.id, bash(script), {
        timeout: 10 * 60_000,
        maxOutput: 2 * 1024 * 1024,
      });
      return this.refreshProfileState(repository.fullName, profileId);
    }
  
    async refreshOperation(
      operationId,
      { includeTerminal = false, state: suppliedState = null } = {},
    ) {
      const operation = this.store.getOperation(operationId);
      if (!operation || operation.provider !== "ssh-unraid") return operation;
      if (
        !includeTerminal &&
        ["success", "failed", "cancelled", "rolled-back"].includes(
          operation.status,
        )
      )
        return operation;
      try {
        const state =
          suppliedState ||
          (await this.refreshProfileState(
            operation.repository,
            operation.profileId,
          ));
        if (
          state.liveSha === operation.sha &&
          state.containerRunning &&
          state.healthy !== false
        ) {
          return this.saveOperation({
            ...operation,
            status: operation.action === "rollback" ? "rolled-back" : "success",
            health: { healthy: state.healthy, status: state.healthStatus },
            logs: [
              ...(operation.logs || []),
              "Deployment state reconciled from Unraid.",
            ],
          });
        }
        if (
          /^[0-9a-f]{40}$/i.test(String(state.liveSha || "")) &&
          state.liveSha !== operation.sha &&
          state.containerRunning &&
          state.healthy !== false
        ) {
          return this.saveOperation({
            ...operation,
            status: "cancelled",
            error: `Superseded by live commit ${state.liveSha.slice(0, 7)}.`,
            health: { healthy: state.healthy, status: state.healthStatus },
            logs: [
              ...(operation.logs || []),
              `Operation superseded by live Unraid commit ${state.liveSha}.`,
            ],
          });
        }
        const ageMs =
          Date.now() -
          new Date(operation.updatedAt || operation.createdAt || 0).getTime();
        if (ageMs > 45 * 60_000) {
          return this.saveOperation({
            ...operation,
            status: "failed",
            error:
              "Deployment was interrupted or did not reach the requested commit within 45 minutes.",
            logs: [
              ...(operation.logs || []),
              "Stale deployment was marked failed during reconciliation.",
            ],
          });
        }
        return operation;
      } catch {
        return operation;
      }
    }
  
    async reconcileRecordedOperations(profileId, state) {
      const operations = this.store.data.operations
        .filter(
          (item) =>
            item.profileId === profileId && item.provider === "ssh-unraid",
        )
        .sort(
          (left, right) =>
            new Date(right.updatedAt || right.createdAt || 0) -
            new Date(left.updatedAt || left.createdAt || 0),
        );
      const matching = operations.find(
        (item) => item.sha === state.liveSha && item.status === "failed",
      );
      if (matching && state.containerRunning && state.healthy !== false) {
        await this.refreshOperation(matching.id, {
          includeTerminal: true,
          state,
        });
      }
      const latestFailed = operations.find((item) => item.status === "failed");
      if (
        latestFailed &&
        latestFailed.id !== matching?.id &&
        state.matchesGitea &&
        state.containerRunning &&
        state.healthy !== false
      ) {
        await this.saveOperation({
          ...latestFailed,
          status: "cancelled",
          error: `Superseded by Gitea/live commit ${state.liveSha.slice(0, 7)}.`,
          logs: [
            ...(latestFailed.logs || []),
            `Reconciled: Gitea and Unraid now both report ${state.liveSha}.`,
          ],
        });
      }
      return this.store.data.operations
        .filter((item) => item.profileId === profileId)
        .slice(0, 10);
    }
  
    async refreshActiveOperations() {
      const active = this.store.data.operations.filter(
        (item) =>
          item.provider === "ssh-unraid" &&
          item.type === "deployment" &&
          !["success", "failed", "cancelled", "rolled-back"].includes(
            item.status,
          ),
      );
      const queue = [...active];
      const results = [];
      const workers = Array.from({ length: Math.min(4, queue.length) }, async () => {
        while (queue.length) {
          const operation = queue.shift();
          results.push(await this.refreshOperation(operation.id));
        }
      });
      await Promise.all(workers);
      return results;
    }
  }
  return UnraidStateMethods.prototype;
}

module.exports = { createUnraidStateMethods };