export interface WebhookResponse {
  success: boolean
  message: string
  error?: string
}

export interface ContactFormWebhookData {
  firstName: string
  lastName: string
  email: string
  phone: string
  company?: string
  message: string
  source?: string
  page?: string
  timestamp: string
  url: string
}

export interface RequestMachineFormWebhookData {
  firstName: string
  lastName: string
  email: string
  phone: string
  company: string
  employeeCount: string
  machineType: string
  machineCount: string
  message?: string
  marketingConsent: boolean
  termsAgreement: boolean
  source?: string
  page?: string
  timestamp: string
  url: string
}

export class WebhookClient {
  private static async sendToApi(
    payload: Record<string, unknown>,
    kind: "contact" | "request-machine"
  ): Promise<WebhookResponse> {
    try {
      const response = await fetch("/api/contact", {
        method: "POST",
        headers: {
          "Content-Type": "application/json",
        },
        body: JSON.stringify(payload),
      });

      const body = await response.json().catch(() => null);

      if (!response.ok) {
        return {
          success: false,
          message: body?.message || body?.error || "Failed to submit form",
          error: body?.error || `Request failed with status ${response.status}`,
        };
      }

      return {
        success: body?.success !== false,
        message:
          body?.message ||
          (kind === "request-machine"
            ? "Your consultation request was submitted successfully."
            : "Your message was submitted successfully."),
      };
    } catch (error) {
      console.error(`Lead API error for ${kind}:`, error)
      return {
        success: false,
        message: "Failed to submit form",
        error: error instanceof Error ? error.message : "Unknown error",
      }
    }
  }

  static async submitContactForm(data: ContactFormWebhookData): Promise<WebhookResponse> {
    return this.sendToApi(
      {
        kind: "contact",
        ...data,
      },
      "contact"
    )
  }

  static async submitRequestMachineForm(data: RequestMachineFormWebhookData): Promise<WebhookResponse> {
    return this.sendToApi(
      {
        kind: "request-machine",
        ...data,
      },
      "request-machine"
    )
  }
}