package models

import (
	"time"

	"github.com/google/uuid"
)

type Expense struct {
	ID              uuid.UUID `json:"id"`
	OrganizationID  uuid.UUID `json:"organization_id"`
	OutletID        uuid.UUID `json:"outlet_id"`
	Receiver        string    `json:"receiver"`
	TransactionDate time.Time `json:"transaction_date"`
	CodeNumber      string    `json:"code_number"`
	Status          string    `json:"status"`
	Description     *string   `json:"description"`
	Tax             float64   `json:"tax"`
	Total           float64   `json:"total"`
	Reserved1       *string   `json:"reserved1"`
	CreatedAt       time.Time `json:"created_at"`
	UpdatedAt       time.Time `json:"updated_at"`
}

type ExpenseItem struct {
	ID               uuid.UUID `json:"id"`
	ExpenseID        uuid.UUID `json:"expense_id"`
	ChartOfAccountID uuid.UUID `json:"chart_of_account_id"`
	Item             string    `json:"item"`
	Description      *string   `json:"description"`
	Amount           float64   `json:"amount"`
	CreatedAt        time.Time `json:"created_at"`
	UpdatedAt        time.Time `json:"updated_at"`
}

type ExpenseResponse struct {
	ID              uuid.UUID             `json:"id"`
	OrganizationID  uuid.UUID             `json:"organization_id"`
	OutletID        uuid.UUID             `json:"outlet_id"`
	Receiver        string                `json:"receiver"`
	TransactionDate time.Time             `json:"transaction_date"`
	CodeNumber      string                `json:"code_number"`
	Status          string                `json:"status"`
	Description     *string               `json:"description"`
	Tax             float64               `json:"tax"`
	Total           float64               `json:"total"`
	Reserved1       *string               `json:"reserved1"`
	CreatedAt       time.Time             `json:"created_at"`
	UpdatedAt       time.Time             `json:"updated_at"`
	Items           []ExpenseItemResponse `json:"items,omitempty"`
}

type ExpenseItemResponse struct {
	ID                 uuid.UUID `json:"id"`
	ExpenseID          uuid.UUID `json:"expense_id"`
	ChartOfAccountID   uuid.UUID `json:"chart_of_account_id"`
	ChartOfAccountName string    `json:"chart_of_account_name,omitempty"`
	Item               string    `json:"item"`
	Description        *string   `json:"description"`
	Amount             float64   `json:"amount"`
	CreatedAt          time.Time `json:"created_at"`
	UpdatedAt          time.Time `json:"updated_at"`
}

type CreateExpenseRequest struct {
	Receiver        string                     `json:"receiver"`
	TransactionDate string                     `json:"transaction_date"`
	CodeNumber      string                     `json:"code_number"`
	OutletID        string                     `json:"outlet_id"`
	Status          *string                    `json:"status,omitempty"`
	Description     *string                    `json:"description"`
	Tax             float64                    `json:"tax"`
	Total           float64                    `json:"total"`
	Items           []CreateExpenseItemRequest `json:"items"`
}

type CreateExpenseItemRequest struct {
	ChartOfAccountID string  `json:"chart_of_account_id"`
	Item             string  `json:"item"`
	Description      *string `json:"description,omitempty"`
	Amount           float64 `json:"amount"`
}

type UpdateExpenseRequest struct {
	Receiver        *string                    `json:"receiver,omitempty"`
	TransactionDate *string                    `json:"transaction_date,omitempty"`
	CodeNumber      *string                    `json:"code_number,omitempty"`
	OutletID        *string                    `json:"outlet_id,omitempty"`
	Status          *string                    `json:"status,omitempty"`
	Description     *string                    `json:"description,omitempty"`
	Tax             *float64                   `json:"tax,omitempty"`
	Total           *float64                   `json:"total,omitempty"`
	Reserved1       *string                    `json:"reserved1,omitempty"`
	Items           []UpdateExpenseItemRequest `json:"items,omitempty"`
}

type UpdateExpenseItemRequest struct {
	ChartOfAccountID *string  `json:"chart_of_account_id,omitempty"`
	Item             *string  `json:"item,omitempty"`
	Description      *string  `json:"description,omitempty"`
	Amount           *float64 `json:"amount,omitempty"`
}

type ListExpenseRequest struct {
	Page      int    `json:"page"`
	Limit     int    `json:"limit"`
	Search    string `json:"search,omitempty"`
	OutletID  string `json:"outlet_id,omitempty"`
	Status    string `json:"status,omitempty"`
	StartDate string `json:"start_date,omitempty"`
	EndDate   string `json:"end_date,omitempty"`
}

type ListExpenseResponse struct {
	Expenses   []*ExpenseResponse `json:"expenses"`
	TotalCount int                `json:"total_count"`
	Page       int                `json:"page"`
	Limit      int                `json:"limit"`
	TotalPages int                `json:"total_pages"`
}

type ExpenseAnalyticsRequest struct {
	OrganizationID uuid.UUID  `json:"organization_id"`
	OutletID       *uuid.UUID `json:"outlet_id,omitempty"`
	DateFrom       time.Time  `json:"date_from"`
	DateTo         time.Time  `json:"date_to"`
	GroupBy        string     `json:"group_by"`
}

type ExpenseAnalyticsResponse struct {
	OrganizationID uuid.UUID                      `json:"organization_id"`
	OutletID       *uuid.UUID                     `json:"outlet_id,omitempty"`
	DateFrom       time.Time                      `json:"date_from"`
	DateTo         time.Time                      `json:"date_to"`
	GroupBy        string                         `json:"group_by"`
	Summary        ExpenseAnalyticsSummary        `json:"summary"`
	Data           []ExpenseAnalyticsData         `json:"data"`
	CategoryData   []ExpenseAnalyticsCategoryData `json:"category_data"`
	ItemData       []ExpenseAnalyticsItemData     `json:"item_data"`
}

type ExpenseAnalyticsSummary struct {
	TotalExpenses       float64 `json:"total_expenses"`
	TotalExpenseCount   int64   `json:"total_expense_count"`
	TotalTax            float64 `json:"total_tax"`
	AverageExpenseValue float64 `json:"average_expense_value"`
	TotalCategories     int64   `json:"total_categories"`
	TotalItems          int64   `json:"total_items"`
}

type ExpenseAnalyticsData struct {
	Date         time.Time `json:"date"`
	Expenses     float64   `json:"expenses"`
	ExpenseCount int64     `json:"expense_count"`
	Tax          float64   `json:"tax"`
	Items        int64     `json:"items"`
	Categories   int64     `json:"categories"`
}

type ExpenseAnalyticsCategoryData struct {
	ChartOfAccountID   uuid.UUID `json:"chart_of_account_id"`
	ChartOfAccountName string    `json:"chart_of_account_name"`
	TotalAmount        float64   `json:"total_amount"`
	ExpenseCount       int64     `json:"expense_count"`
	ItemCount          int64     `json:"item_count"`
}

type ExpenseAnalyticsItemData struct {
	Item         string  `json:"item"`
	TotalAmount  float64 `json:"total_amount"`
	ExpenseCount int64   `json:"expense_count"`
	ItemCount    int64   `json:"item_count"`
}