package v1

import (
	"net/http"

	"github.com/gin-gonic/gin"

	"github.com/gochat/gochat/internal/service"
	"github.com/gochat/gochat/pkg/response"
)

// NotionIntegrationHandler handles Notion integration endpoints.
// Reference: Chatwoot Integrations::NotionController
type NotionIntegrationHandler struct {
	svc *service.NotionIntegrationService
}

// NewNotionIntegrationHandler creates a new NotionIntegrationHandler.
func NewNotionIntegrationHandler(svc *service.NotionIntegrationService) *NotionIntegrationHandler {
	return &NotionIntegrationHandler{svc: svc}
}

// Authorization creates a Notion OAuth authorization URL.
// POST /api/v1/accounts/:account_id/notion/authorization
func (h *NotionIntegrationHandler) Authorization(c *gin.Context) {
	accountID, err := parseUintParam(c, "account_id")
	if err != nil {
		response.AbortWithStatusError(c, http.StatusBadRequest, response.ErrBadRequest, "invalid account_id")
		return
	}

	result, svcErr := h.svc.BuildAuthorizationURL(accountID)
	if svcErr != nil {
		c.JSON(http.StatusUnprocessableEntity, gin.H{"success": false})
		return
	}
	c.JSON(http.StatusOK, result)
}

// Delete removes a Notion integration for an account.
// DELETE /api/v1/accounts/:account_id/integrations/notion
func (h *NotionIntegrationHandler) Delete(c *gin.Context) {
	accountID, err := parseUintParam(c, "account_id")
	if err != nil {
		response.AbortWithStatusError(c, http.StatusBadRequest, response.ErrBadRequest, "invalid account_id")
		return
	}

	if svcErr := h.svc.Delete(c.Request.Context(), accountID); svcErr != nil {
		handleServiceError(c, svcErr)
		return
	}
	c.Status(http.StatusOK)
}

// RegisterNotionIntegrationRoutes registers Notion integration routes.
func RegisterNotionIntegrationRoutes(g *gin.RouterGroup, h *NotionIntegrationHandler) {
	g.DELETE("/notion", h.Delete)
	notion := g.Group("/notion")
	{
		notion.DELETE("/", h.Delete)
	}
}