package com.example.casera.models

import kotlinx.serialization.SerialName
import kotlinx.serialization.Serializable

/**
 * User reference for residence responses - matching Go API ResidenceUserResponse
 */
@Serializable
data class ResidenceUserResponse(
    val id: Int,
    val username: String,
    val email: String,
    @SerialName("first_name") val firstName: String = "",
    @SerialName("last_name") val lastName: String = ""
) {
    val displayName: String
        get() = when {
            firstName.isNotBlank() && lastName.isNotBlank() -> "$firstName $lastName"
            firstName.isNotBlank() -> firstName
            lastName.isNotBlank() -> lastName
            else -> username
        }
}

/**
 * Residence response matching Go API ResidenceResponse
 */
@Serializable
data class ResidenceResponse(
    val id: Int,
    @SerialName("owner_id") val ownerId: Int,
    val owner: ResidenceUserResponse? = null,
    val users: List<ResidenceUserResponse> = emptyList(),
    val name: String,
    @SerialName("property_type_id") val propertyTypeId: Int? = null,
    @SerialName("property_type") val propertyType: ResidenceType? = null,
    @SerialName("street_address") val streetAddress: String = "",
    @SerialName("apartment_unit") val apartmentUnit: String = "",
    val city: String = "",
    @SerialName("state_province") val stateProvince: String = "",
    @SerialName("postal_code") val postalCode: String = "",
    val country: String = "",
    val bedrooms: Int? = null,
    val bathrooms: Double? = null,
    @SerialName("square_footage") val squareFootage: Int? = null,
    @SerialName("lot_size") val lotSize: Double? = null,
    @SerialName("year_built") val yearBuilt: Int? = null,
    val description: String = "",
    @SerialName("purchase_date") val purchaseDate: String? = null,
    @SerialName("purchase_price") val purchasePrice: Double? = null,
    @SerialName("is_primary") val isPrimary: Boolean = false,
    @SerialName("is_active") val isActive: Boolean = true,
    @SerialName("overdue_count") val overdueCount: Int = 0,
    @SerialName("created_at") val createdAt: String,
    @SerialName("updated_at") val updatedAt: String
) {
    // Helper to get owner username
    val ownerUsername: String get() = owner?.displayName ?: ""

    // Helper to get property type name
    val propertyTypeName: String? get() = propertyType?.name

    // Backwards compatibility for UI code
    // Note: isPrimaryOwner requires comparing with current user - can't be computed here
    // UI components should check ownerId == currentUserId instead

    // Stub task summary for UI compatibility (Go API doesn't return this per-residence)
    val taskSummary: ResidenceTaskSummary get() = ResidenceTaskSummary()

    // Stub summary for UI compatibility
    val summary: ResidenceSummaryResponse get() = ResidenceSummaryResponse(id = id, name = name)
}

/**
 * Residence create request matching Go API CreateResidenceRequest
 */
@Serializable
data class ResidenceCreateRequest(
    val name: String,
    @SerialName("property_type_id") val propertyTypeId: Int? = null,
    @SerialName("street_address") val streetAddress: String? = null,
    @SerialName("apartment_unit") val apartmentUnit: String? = null,
    val city: String? = null,
    @SerialName("state_province") val stateProvince: String? = null,
    @SerialName("postal_code") val postalCode: String? = null,
    val country: String? = null,
    val bedrooms: Int? = null,
    val bathrooms: Double? = null,
    @SerialName("square_footage") val squareFootage: Int? = null,
    @SerialName("lot_size") val lotSize: Double? = null,
    @SerialName("year_built") val yearBuilt: Int? = null,
    val description: String? = null,
    @SerialName("purchase_date") val purchaseDate: String? = null,
    @SerialName("purchase_price") val purchasePrice: Double? = null,
    @SerialName("is_primary") val isPrimary: Boolean? = null
)

/**
 * Residence update request matching Go API UpdateResidenceRequest
 */
@Serializable
data class ResidenceUpdateRequest(
    val name: String? = null,
    @SerialName("property_type_id") val propertyTypeId: Int? = null,
    @SerialName("street_address") val streetAddress: String? = null,
    @SerialName("apartment_unit") val apartmentUnit: String? = null,
    val city: String? = null,
    @SerialName("state_province") val stateProvince: String? = null,
    @SerialName("postal_code") val postalCode: String? = null,
    val country: String? = null,
    val bedrooms: Int? = null,
    val bathrooms: Double? = null,
    @SerialName("square_footage") val squareFootage: Int? = null,
    @SerialName("lot_size") val lotSize: Double? = null,
    @SerialName("year_built") val yearBuilt: Int? = null,
    val description: String? = null,
    @SerialName("purchase_date") val purchaseDate: String? = null,
    @SerialName("purchase_price") val purchasePrice: Double? = null,
    @SerialName("is_primary") val isPrimary: Boolean? = null
)

/**
 * Share code response matching Go API ShareCodeResponse
 */
@Serializable
data class ShareCodeResponse(
    val id: Int,
    val code: String,
    @SerialName("residence_id") val residenceId: Int,
    @SerialName("created_by_id") val createdById: Int,
    @SerialName("is_active") val isActive: Boolean,
    @SerialName("expires_at") val expiresAt: String?,
    @SerialName("created_at") val createdAt: String
)

/**
 * Generate share code request
 */
@Serializable
data class GenerateShareCodeRequest(
    @SerialName("expires_in_hours") val expiresInHours: Int? = null
)

/**
 * Generate share code response matching Go API GenerateShareCodeResponse
 */
@Serializable
data class GenerateShareCodeResponse(
    val message: String,
    @SerialName("share_code") val shareCode: ShareCodeResponse
)

/**
 * Join residence request
 */
@Serializable
data class JoinResidenceRequest(
    val code: String
)

/**
 * Join residence response matching Go API JoinResidenceResponse
 */
@Serializable
data class JoinResidenceResponse(
    val message: String,
    val residence: ResidenceResponse
)

/**
 * Total summary for dashboard display
 */
@Serializable
data class TotalSummary(
    @SerialName("total_residences") val totalResidences: Int = 0,
    @SerialName("total_tasks") val totalTasks: Int = 0,
    @SerialName("total_pending") val totalPending: Int = 0,
    @SerialName("total_overdue") val totalOverdue: Int = 0,
    @SerialName("tasks_due_next_week") val tasksDueNextWeek: Int = 0,
    @SerialName("tasks_due_next_month") val tasksDueNextMonth: Int = 0
)

/**
 * My residences response - list of user's residences
 * Go API returns array directly, this wraps for consistency
 */
@Serializable
data class MyResidencesResponse(
    val residences: List<ResidenceResponse>,
    val summary: TotalSummary = TotalSummary()
)

/**
 * Residence summary response for dashboard
 */
@Serializable
data class ResidenceSummaryResponse(
    val id: Int = 0,
    val name: String = "",
    @SerialName("task_count") val taskCount: Int = 0,
    @SerialName("pending_count") val pendingCount: Int = 0,
    @SerialName("overdue_count") val overdueCount: Int = 0
)

/**
 * Task category summary for residence
 */
@Serializable
data class TaskCategorySummary(
    val name: String,
    @SerialName("display_name") val displayName: String,
    val icons: TaskCategoryIcons,
    val color: String,
    val count: Int
)

/**
 * Icons for task category (Android/iOS)
 */
@Serializable
data class TaskCategoryIcons(
    val android: String = "",
    val ios: String = ""
)

/**
 * Task summary per residence (for UI backwards compatibility)
 */
@Serializable
data class ResidenceTaskSummary(
    val categories: List<TaskCategorySummary> = emptyList()
)

/**
 * Residence users response - API returns a flat list of all users with access
 */
typealias ResidenceUsersResponse = List<ResidenceUserResponse>

/**
 * Remove user response
 */
@Serializable
data class RemoveUserResponse(
    val message: String
)

// Type aliases for backwards compatibility with existing code
typealias Residence = ResidenceResponse
typealias ResidenceShareCode = ShareCodeResponse
typealias ResidenceUser = ResidenceUserResponse
typealias TaskSummary = ResidenceTaskSummary
typealias TaskColumnCategory = TaskCategorySummary