package models

import (
	"time"

	"apskel-pos-be/internal/entities"

	"github.com/google/uuid"
)

type CreateCampaignRequest struct {
	Name        string               `json:"name" binding:"required,min=1,max=150"`
	Description *string              `json:"description,omitempty"`
	Type        string               `json:"type" binding:"required,oneof=REWARD POINTS TOKENS MIXED"`
	StartDate   time.Time            `json:"start_date" binding:"required"`
	EndDate     time.Time            `json:"end_date" binding:"required"`
	IsActive    bool                 `json:"is_active"`
	ShowOnApp   bool                 `json:"show_on_app"`
	Position    int                  `json:"position" binding:"min=0"`
	Metadata    *entities.Metadata   `json:"metadata,omitempty"`
	Rules       []CampaignRuleStruct `json:"rules" binding:"required,min=1"`
}

type UpdateCampaignRequest struct {
	ID          uuid.UUID            `json:"id" binding:"required"`
	Name        string               `json:"name" binding:"required,min=1,max=150"`
	Description *string              `json:"description,omitempty"`
	Type        string               `json:"type" binding:"required,oneof=REWARD POINTS TOKENS MIXED"`
	StartDate   time.Time            `json:"start_date" binding:"required"`
	EndDate     time.Time            `json:"end_date" binding:"required"`
	IsActive    bool                 `json:"is_active"`
	ShowOnApp   bool                 `json:"show_on_app"`
	Position    int                  `json:"position" binding:"min=0"`
	Metadata    *entities.Metadata   `json:"metadata,omitempty"`
	Rules       []CampaignRuleStruct `json:"rules" binding:"required,min=1"`
}

type ListCampaignsRequest struct {
	Page      int        `form:"page" binding:"min=1"`
	Limit     int        `form:"limit" binding:"min=1,max=100"`
	Search    string     `form:"search"`
	Type      string     `form:"type"`
	IsActive  *bool      `form:"is_active"`
	ShowOnApp *bool      `form:"show_on_app"`
	StartDate *time.Time `form:"start_date"`
	EndDate   *time.Time `form:"end_date"`
}

type CampaignResponse struct {
	ID          uuid.UUID              `json:"id"`
	Name        string                 `json:"name"`
	Description *string                `json:"description,omitempty"`
	Type        string                 `json:"type"`
	StartDate   time.Time              `json:"start_date"`
	EndDate     time.Time              `json:"end_date"`
	IsActive    bool                   `json:"is_active"`
	ShowOnApp   bool                   `json:"show_on_app"`
	Position    int                    `json:"position"`
	Metadata    *entities.Metadata     `json:"metadata,omitempty"`
	Rules       []CampaignRuleResponse `json:"rules,omitempty"`
	CreatedAt   time.Time              `json:"created_at"`
	UpdatedAt   time.Time              `json:"updated_at"`
}

type CampaignRuleResponse struct {
	ID             uuid.UUID          `json:"id"`
	CampaignID     uuid.UUID          `json:"campaign_id"`
	RuleType       string             `json:"rule_type"`
	ConditionValue *string            `json:"condition_value,omitempty"`
	RewardType     string             `json:"reward_type"`
	RewardValue    *int64             `json:"reward_value,omitempty"`
	RewardSubtype  *string            `json:"reward_subtype,omitempty"`
	RewardRefID    *uuid.UUID         `json:"reward_ref_id,omitempty"`
	Metadata       *entities.Metadata `json:"metadata,omitempty"`
	CreatedAt      time.Time          `json:"created_at"`
	UpdatedAt      time.Time          `json:"updated_at"`
}

type ListCampaignsResponse struct {
	Campaigns []CampaignResponse `json:"campaigns"`
	Total     int64              `json:"total"`
	Page      int                `json:"page"`
	Limit     int                `json:"limit"`
}

// Campaign Rule Models
type CreateCampaignRuleRequest struct {
	CampaignID     uuid.UUID          `json:"campaign_id" binding:"required"`
	RuleType       string             `json:"rule_type" binding:"required,oneof=TIER SPEND PRODUCT CATEGORY DAY LOCATION"`
	ConditionValue *string            `json:"condition_value,omitempty"`
	RewardType     string             `json:"reward_type" binding:"required,oneof=POINTS TOKENS REWARD"`
	RewardValue    *int64             `json:"reward_value,omitempty"`
	RewardSubtype  *string            `json:"reward_subtype,omitempty"`
	RewardRefID    *uuid.UUID         `json:"reward_ref_id,omitempty"`
	Metadata       *entities.Metadata `json:"metadata,omitempty"`
}

type UpdateCampaignRuleRequest struct {
	ID             uuid.UUID          `json:"id" binding:"required"`
	CampaignID     uuid.UUID          `json:"campaign_id" binding:"required"`
	RuleType       string             `json:"rule_type" binding:"required,oneof=TIER SPEND PRODUCT CATEGORY DAY LOCATION"`
	ConditionValue *string            `json:"condition_value,omitempty"`
	RewardType     string             `json:"reward_type" binding:"required,oneof=POINTS TOKENS REWARD"`
	RewardValue    *int64             `json:"reward_value,omitempty"`
	RewardSubtype  *string            `json:"reward_subtype,omitempty"`
	RewardRefID    *uuid.UUID         `json:"reward_ref_id,omitempty"`
	Metadata       *entities.Metadata `json:"metadata,omitempty"`
}

type ListCampaignRulesRequest struct {
	Page       int    `form:"page" binding:"min=1"`
	Limit      int    `form:"limit" binding:"min=1,max=100"`
	CampaignID string `form:"campaign_id"`
	RuleType   string `form:"rule_type"`
	RewardType string `form:"reward_type"`
}

type ListCampaignRulesResponse struct {
	Rules []CampaignRuleResponse `json:"rules"`
	Total int64                  `json:"total"`
	Page  int                    `json:"page"`
	Limit int                    `json:"limit"`
}

// Helper structs
type CampaignRuleStruct struct {
	RuleType       string             `json:"rule_type" binding:"required,oneof=TIER SPEND PRODUCT CATEGORY DAY LOCATION"`
	ConditionValue *string            `json:"condition_value,omitempty"`
	RewardType     string             `json:"reward_type" binding:"required,oneof=POINTS TOKENS REWARD"`
	RewardValue    *int64             `json:"reward_value,omitempty"`
	RewardSubtype  *string            `json:"reward_subtype,omitempty"`
	RewardRefID    *uuid.UUID         `json:"reward_ref_id,omitempty"`
	Metadata       *entities.Metadata `json:"metadata,omitempty"`
}