package dashboard

import (
	"agent-desk/internal/pkg/constants"
	"agent-desk/internal/pkg/dto"
	"agent-desk/internal/pkg/dto/request"
	"agent-desk/internal/pkg/errorsx"
	"agent-desk/internal/pkg/httpx"
	"agent-desk/internal/pkg/httpx/params"
	"agent-desk/internal/services"
	"github.com/gin-gonic/gin"
	"slices"
	"strconv"
)

func SupportAvailabilityGetMe(ctx *gin.Context) {
	ctx.Header("Cache-Control", "no-store")
	principal := services.AuthService.GetAuthPrincipal(ctx)
	if principal == nil {
		httpx.WriteJSON(ctx, errorsx.UnauthorizedI18n("error.auth.expired"))
		return
	}
	item, err := services.SupportAvailabilityService.ForUser(principal.UserID, true)
	if err != nil {
		httpx.WriteJSON(ctx, err)
		return
	}
	httpx.WriteJSON(ctx, item)
}
func SupportAvailabilityPostMe(ctx *gin.Context) {
	principal := services.AuthService.GetAuthPrincipal(ctx)
	if principal == nil {
		httpx.WriteJSON(ctx, errorsx.UnauthorizedI18n("error.auth.expired"))
		return
	}
	req := request.SupportAvailabilityRequest{}
	if err := params.ReadJSON(ctx, &req); err != nil {
		httpx.WriteJSON(ctx, err)
		return
	}
	// Never accept a target from a self-service request.
	item, err := services.SupportAvailabilityService.Update(principal.UserID, req, principal)
	if err != nil {
		httpx.WriteJSON(ctx, err)
		return
	}
	httpx.WriteJSON(ctx, item)
}
func SupportAvailabilityGetAgents(ctx *gin.Context) {
	ctx.Header("Cache-Control", "no-store")
	principal := services.AuthService.GetAuthPrincipal(ctx)
	if principal == nil {
		httpx.WriteJSON(ctx, errorsx.UnauthorizedI18n("error.auth.expired"))
		return
	}
	if !slices.Contains(principal.Permissions, constants.PermissionAgentView.Code) && !slices.Contains(principal.Permissions, constants.PermissionConversationAssign.Code) && !slices.Contains(principal.Permissions, constants.PermissionConversationTransfer.Code) {
		httpx.WriteJSON(ctx, errorsx.ForbiddenI18n("error.e0225"))
		return
	}
	id, _ := strconv.ParseInt(ctx.Query("conversationId"), 10, 64)
	if id <= 0 && !slices.Contains(principal.Permissions, constants.PermissionAgentView.Code) {
		httpx.WriteJSON(ctx, errorsx.ForbiddenI18n("error.e0225"))
		return
	}
	items, err := services.SupportAvailabilityService.List(id, principal)
	if err != nil {
		httpx.WriteJSON(ctx, err)
		return
	}
	httpx.WriteJSON(ctx, items)
}
func SupportAvailabilityPostAgent(ctx *gin.Context) {
	principal, err := services.AuthService.RequirePermission(ctx, constants.PermissionAgentUpdate)
	if err != nil {
		httpx.WriteJSON(ctx, err)
		return
	}
	req := request.SupportAvailabilityRequest{}
	if err := params.ReadJSON(ctx, &req); err != nil {
		httpx.WriteJSON(ctx, err)
		return
	}
	item, err := services.SupportAvailabilityService.Update(req.UserID, req, principal)
	if err != nil {
		httpx.WriteJSON(ctx, err)
		return
	}
	httpx.WriteJSON(ctx, item)
}
func supportCalendarPermission(ctx *gin.Context, teamID int64, write bool) (*dto.AuthPrincipal, error) {
	if teamID == 0 {
		if write {
			return services.AuthService.RequirePermission(ctx, constants.PermissionSupportConfigUpdate)
		}
		return services.AuthService.RequirePermission(ctx, constants.PermissionSupportConfigView)
	}
	if write {
		return services.AuthService.RequirePermission(ctx, constants.PermissionAgentTeamScheduleUpdate)
	}
	return services.AuthService.RequirePermission(ctx, constants.PermissionAgentTeamScheduleView)
}
func SupportAvailabilityGetCalendar(ctx *gin.Context) {
	teamID, err := strconv.ParseInt(ctx.DefaultQuery("teamId", "0"), 10, 64)
	if err != nil || teamID < 0 {
		httpx.WriteJSON(ctx, errorsx.InvalidParamI18n("error.supportAvailability.invalidCalendar"))
		return
	}
	if _, err := supportCalendarPermission(ctx, teamID, false); err != nil {
		httpx.WriteJSON(ctx, err)
		return
	}
	item, err := services.SupportCalendarService.Get(teamID)
	if err != nil {
		httpx.WriteJSON(ctx, errorsx.InvalidParamI18n("error.supportAvailability.persistence"))
		return
	}
	httpx.WriteJSON(ctx, item)
}
func SupportAvailabilityPostCalendar(ctx *gin.Context) {
	req := request.SupportCalendarRequest{}
	if err := params.ReadJSON(ctx, &req); err != nil {
		httpx.WriteJSON(ctx, err)
		return
	}
	if _, err := supportCalendarPermission(ctx, req.TeamID, true); err != nil {
		httpx.WriteJSON(ctx, err)
		return
	}
	item, err := services.SupportCalendarService.Save(req)
	if err != nil {
		httpx.WriteJSON(ctx, err)
		return
	}
	httpx.WriteJSON(ctx, item)
}
func SupportAvailabilityPostCalendarPreview(ctx *gin.Context) {
	req := request.SupportCalendarPreviewRequest{}
	if err := params.ReadJSON(ctx, &req); err != nil {
		httpx.WriteJSON(ctx, err)
		return
	}
	if _, err := supportCalendarPermission(ctx, req.Calendar.TeamID, false); err != nil {
		httpx.WriteJSON(ctx, err)
		return
	}
	item, err := services.SupportCalendarService.Preview(req)
	if err != nil {
		httpx.WriteJSON(ctx, err)
		return
	}
	httpx.WriteJSON(ctx, item)
}