package admin

import (
	"github.com/go-playground/validator/v10"
	"github.com/gofiber/fiber/v2"

	"github.com/break/junhong_cmp_fiber/internal/model/dto"
	pollingSvc "github.com/break/junhong_cmp_fiber/internal/service/polling"
	"github.com/break/junhong_cmp_fiber/pkg/constants"
	"github.com/break/junhong_cmp_fiber/pkg/errors"
	"github.com/break/junhong_cmp_fiber/pkg/response"
)

// PollingPauseHandler 批量开关轮询、不轮询清单、轮询开关文件导入与告警页关闭轮询。
type PollingPauseHandler struct {
	polling   *pollingSvc.AssetPollingService
	imports   *pollingSvc.PollingStatusImportService
	validator *validator.Validate
}

// NewPollingPauseHandler 创建不轮询清单 Handler。
func NewPollingPauseHandler(polling *pollingSvc.AssetPollingService, imports *pollingSvc.PollingStatusImportService, validator *validator.Validate) *PollingPauseHandler {
	return &PollingPauseHandler{polling: polling, imports: imports, validator: validator}
}

func (h *PollingPauseHandler) validate(prefix string, req any) error {
	if err := h.validator.Struct(req); err != nil {
		return errors.New(errors.CodeInvalidParam, validationMessage(prefix, req, err))
	}
	return nil
}

func (h *PollingPauseHandler) batch(c *fiber.Ctx, assetType string) error {
	var req dto.BatchUpdatePollingStatusRequest
	if err := c.BodyParser(&req); err != nil {
		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
	}
	if err := h.validate("批量开关轮询参数不合法", &req); err != nil {
		return err
	}
	result, err := h.polling.BatchUpdatePollingStatus(c.UserContext(), assetType, &req)
	if err != nil {
		return err
	}
	return response.Success(c, result)
}

// BatchCards 勾选批量开关卡轮询。POST /api/admin/iot-cards/batch-update-polling-status
func (h *PollingPauseHandler) BatchCards(c *fiber.Ctx) error {
	return h.batch(c, constants.AssetTypeIotCard)
}

// BatchDevices 勾选批量开关设备轮询。POST /api/admin/devices/batch-update-polling-status
func (h *PollingPauseHandler) BatchDevices(c *fiber.Ctx) error {
	return h.batch(c, constants.AssetTypeDevice)
}

// Impact 开关轮询影响说明。GET /api/admin/polling-status/impact
func (h *PollingPauseHandler) Impact(c *fiber.Ctx) error {
	return response.Success(c, h.polling.Impact())
}

// ListPauses 查询不轮询清单。GET /api/admin/card-polling-pauses
func (h *PollingPauseHandler) ListPauses(c *fiber.Ctx) error {
	var req dto.CardPollingPauseListRequest
	if err := c.QueryParser(&req); err != nil {
		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
	}
	if err := h.validate("不轮询清单查询参数不合法", &req); err != nil {
		return err
	}
	result, err := h.polling.ListPauses(c.UserContext(), &req)
	if err != nil {
		return err
	}
	return response.Success(c, result)
}

// CreateImport 创建轮询开关文件导入任务。POST /api/admin/polling-status-imports
func (h *PollingPauseHandler) CreateImport(c *fiber.Ctx) error {
	var req dto.CreatePollingStatusImportRequest
	if err := c.BodyParser(&req); err != nil {
		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
	}
	if err := h.validate("轮询开关导入参数不合法", &req); err != nil {
		return err
	}
	result, err := h.imports.CreateImport(c.UserContext(), &req)
	if err != nil {
		return err
	}
	return response.Success(c, result)
}

// ListImports 查询轮询开关导入任务。GET /api/admin/polling-status-imports
func (h *PollingPauseHandler) ListImports(c *fiber.Ctx) error {
	var req dto.PollingStatusImportListRequest
	if err := c.QueryParser(&req); err != nil {
		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
	}
	if err := h.validate("轮询开关导入任务查询参数不合法", &req); err != nil {
		return err
	}
	result, err := h.imports.ListImports(c.UserContext(), &req)
	if err != nil {
		return err
	}
	return response.Success(c, result)
}

// GetImport 查询轮询开关导入任务详情。GET /api/admin/polling-status-imports/:id
func (h *PollingPauseHandler) GetImport(c *fiber.Ctx) error {
	id, err := rateLimitPathID(c, "id", "导入任务 ID")
	if err != nil {
		return err
	}
	result, err := h.imports.GetImport(c.UserContext(), id)
	if err != nil {
		return err
	}
	return response.Success(c, result)
}

// ClosePollingByAlerts 告警页勾选批量关闭轮询。POST /api/admin/polling-failure-alerts/close-polling
func (h *PollingPauseHandler) ClosePollingByAlerts(c *fiber.Ctx) error {
	var req dto.ClosePollingByAlertsRequest
	if err := c.BodyParser(&req); err != nil {
		return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
	}
	if err := h.validate("告警批量关闭轮询参数不合法", &req); err != nil {
		return err
	}
	result, err := h.polling.ClosePollingByAlerts(c.UserContext(), &req)
	if err != nil {
		return err
	}
	return response.Success(c, result)
}