import {
    IsBoolean,
    IsOptional,
    IsString,
    IsArray,
    IsInt,
    IsEnum,
    IsUrl,
    MaxLength,
    Min,
    Max,
    MinLength,
    IsNumber,
    IsUUID,
    ValidateNested,
    IsDateString,
} from "class-validator";
import { Type } from "class-transformer";
import { ApiProperty, ApiPropertyOptional } from "@nestjs/swagger";

import {
    VerificationStatus,
    BookmarkStatus,
    ProfileViewSource,
    NetworkBookingRequestStatus,
    ReputationTier,
} from "@micprotocol/shared-types";

// ─── Expertise Tag DTO ───────────────────────────────

export class ExpertiseTagDto {
    @ApiProperty({ example: "Fintech" })
    @IsString()
    @MinLength(1)
    @MaxLength(100)
    name!: string;

    @ApiPropertyOptional({ example: "Technology" })
    @IsOptional()
    @IsString()
    @MaxLength(100)
    category?: string;
}

// ─── Availability Window DTO ─────────────────────────

export class AvailabilityWindowDto {
    @ApiProperty({ example: 1, description: "0=Sunday, 6=Saturday" })
    @IsInt()
    @Min(0)
    @Max(6)
    dayOfWeek!: number;

    @ApiProperty({ example: 9 })
    @IsInt()
    @Min(0)
    @Max(23)
    startHour!: number;

    @ApiProperty({ example: 17 })
    @IsInt()
    @Min(0)
    @Max(23)
    endHour!: number;

    @ApiPropertyOptional({ example: "Africa/Nairobi" })
    @IsOptional()
    @IsString()
    timezone?: string;
}

// ─── Visibility Settings DTO ─────────────────────────

export class VisibilitySettingsDto {
    @ApiPropertyOptional({ default: false })
    @IsOptional()
    @IsBoolean()
    showEmail?: boolean;

    @ApiPropertyOptional({ default: false })
    @IsOptional()
    @IsBoolean()
    showPhone?: boolean;

    @ApiPropertyOptional({ default: true })
    @IsOptional()
    @IsBoolean()
    showAppearances?: boolean;

    @ApiPropertyOptional({ default: true })
    @IsOptional()
    @IsBoolean()
    showReliabilityScore?: boolean;
}

// ─── Create Guest Public Profile ─────────────────────

export class CreateGuestPublicProfileDto {
    @ApiPropertyOptional({ example: "Fintech Founder | Nairobi" })
    @IsOptional()
    @IsString()
    @MaxLength(255)
    headline?: string;

    @ApiPropertyOptional({ example: "Building payment infrastructure for informal economies..." })
    @IsOptional()
    @IsString()
    @MaxLength(5000)
    fullBio?: string;

    @ApiPropertyOptional({ example: "Kenya" })
    @IsOptional()
    @IsString()
    @MaxLength(100)
    country?: string;

    @ApiPropertyOptional({ example: "Nairobi" })
    @IsOptional()
    @IsString()
    @MaxLength(100)
    city?: string;

    @ApiPropertyOptional({ example: ["English", "Swahili"] })
    @IsOptional()
    @IsArray()
    @IsString({ each: true })
    languages?: string[];

    @ApiPropertyOptional({ example: "Africa/Nairobi" })
    @IsOptional()
    @IsString()
    @MaxLength(100)
    timezone?: string;

    @ApiPropertyOptional({ example: "+254700123456" })
    @IsOptional()
    @IsString()
    @MaxLength(20)
    phoneNumber?: string;

    @ApiPropertyOptional({ example: "+254700123456" })
    @IsOptional()
    @IsString()
    @MaxLength(20)
    whatsappNumber?: string;

    @ApiPropertyOptional()
    @IsOptional()
    @IsUrl()
    avatarUrl?: string;

    @ApiPropertyOptional({ default: true })
    @IsOptional()
    @IsBoolean()
    isPublic?: boolean;

    @ApiPropertyOptional({ type: VisibilitySettingsDto })
    @IsOptional()
    @ValidateNested()
    @Type(() => VisibilitySettingsDto)
    visibilitySettings?: VisibilitySettingsDto;

    @ApiPropertyOptional({ type: [ExpertiseTagDto] })
    @IsOptional()
    @IsArray()
    @ValidateNested({ each: true })
    @Type(() => ExpertiseTagDto)
    expertiseTags?: ExpertiseTagDto[];

    @ApiPropertyOptional({ type: [AvailabilityWindowDto] })
    @IsOptional()
    @IsArray()
    @ValidateNested({ each: true })
    @Type(() => AvailabilityWindowDto)
    availabilityWindows?: AvailabilityWindowDto[];
}

// ─── Update Guest Public Profile ─────────────────────

export class UpdateGuestPublicProfileDto extends CreateGuestPublicProfileDto {}

// ─── Guest Network Search DTO ────────────────────────

export class GuestNetworkSearchDto {
    @ApiPropertyOptional({ example: "fintech climate" })
    @IsOptional()
    @IsString()
    @MaxLength(500)
    query?: string;

    @ApiPropertyOptional({ example: "Kenya" })
    @IsOptional()
    @IsString()
    country?: string;

    @ApiPropertyOptional({ example: ["Kenya", "Nigeria"] })
    @IsOptional()
    @IsArray()
    @IsString({ each: true })
    countries?: string[];

    @ApiPropertyOptional({ example: ["Fintech", "Climate"] })
    @IsOptional()
    @IsArray()
    @IsString({ each: true })
    expertise?: string[];

    @ApiPropertyOptional({ example: ["English", "Swahili"] })
    @IsOptional()
    @IsArray()
    @IsString({ each: true })
    languages?: string[];

    @ApiPropertyOptional({ example: 70 })
    @IsOptional()
    @IsNumber()
    @Min(0)
    @Max(100)
    minReliabilityScore?: number;

    @ApiPropertyOptional({ example: 2 })
    @IsOptional()
    @IsInt()
    @Min(0)
    minAppearances?: number;

    @ApiPropertyOptional({ enum: VerificationStatus })
    @IsOptional()
    @IsEnum(VerificationStatus)
    verificationStatus?: VerificationStatus;

    @ApiPropertyOptional({ enum: ReputationTier })
    @IsOptional()
    @IsEnum(ReputationTier)
    tier?: ReputationTier;

    @ApiPropertyOptional({ example: 24 })
    @IsOptional()
    @IsInt()
    @Min(1)
    maxResponseTimeHours?: number;

    @ApiPropertyOptional({ default: "relevance" })
    @IsOptional()
    @IsString()
    sortBy?: string;

    @ApiPropertyOptional({ default: "desc" })
    @IsOptional()
    @IsString()
    sortOrder?: string;

    @ApiPropertyOptional({ default: 1 })
    @IsOptional()
    @IsInt()
    @Min(1)
    page?: number;

    @ApiPropertyOptional({ default: 20 })
    @IsOptional()
    @IsInt()
    @Min(1)
    @Max(50)
    limit?: number;
}

// ─── Create Network Booking Request ──────────────────

export class CreateNetworkBookingRequestDto {
    @ApiProperty()
    @IsUUID()
    toProfileId!: string;

    @ApiProperty()
    @IsUUID()
    fromPodcastId!: string;

    @ApiProperty({ example: "We'd love to have you on our podcast to discuss fintech in East Africa" })
    @IsString()
    @MinLength(10)
    @MaxLength(2000)
    message!: string;

    @ApiPropertyOptional({ example: ["Mobile Money", "Payment Rails"] })
    @IsOptional()
    @IsArray()
    @IsString({ each: true })
    proposedTopics?: string[];

    @ApiPropertyOptional()
    @IsOptional()
    @IsArray()
    @IsDateString({}, { each: true })
    proposedDates?: string[];
}

// ─── Respond to Booking Request ──────────────────────

export class RespondToBookingRequestDto {
    @ApiProperty({ enum: ["accepted", "declined"] })
    @IsEnum(NetworkBookingRequestStatus)
    status!: "accepted" | "declined";
}

// ─── Create Network Bookmark ─────────────────────────

export class CreateNetworkBookmarkDto {
    @ApiProperty()
    @IsUUID()
    guestProfileId!: string;

    @ApiProperty()
    @IsUUID()
    podcastId!: string;

    @ApiPropertyOptional({ example: "Great fit for our fintech series" })
    @IsOptional()
    @IsString()
    @MaxLength(1000)
    notes?: string;
}

// ─── Update Network Bookmark ─────────────────────────

export class UpdateNetworkBookmarkDto {
    @ApiPropertyOptional({ enum: BookmarkStatus })
    @IsOptional()
    @IsEnum(BookmarkStatus)
    status?: BookmarkStatus;

    @ApiPropertyOptional()
    @IsOptional()
    @IsString()
    @MaxLength(1000)
    notes?: string;
}

// ─── Create Host Review ──────────────────────────────

export class CreateHostReviewDto {
    @ApiProperty()
    @IsUUID()
    bookingRequestId!: string;

    @ApiProperty()
    @IsUUID()
    profileId!: string;

    @ApiProperty({ example: 5, minimum: 1, maximum: 5 })
    @IsInt()
    @Min(1)
    @Max(5)
    contentRating!: number;

    @ApiProperty({ example: 5, minimum: 1, maximum: 5 })
    @IsInt()
    @Min(1)
    @Max(5)
    prepQuality!: number;

    @ApiProperty({ example: 5, minimum: 1, maximum: 5 })
    @IsInt()
    @Min(1)
    @Max(5)
    overallRating!: number;

    @ApiPropertyOptional({ example: "Excellent guest, very well prepared." })
    @IsOptional()
    @IsString()
    @MaxLength(2000)
    comment?: string;
}

// ─── Track Profile View ──────────────────────────────

export class TrackProfileViewDto {
    @ApiProperty()
    @IsUUID()
    profileId!: string;

    @ApiPropertyOptional()
    @IsOptional()
    @IsUUID()
    viewerPodcastId?: string;

    @ApiPropertyOptional({ enum: ProfileViewSource })
    @IsOptional()
    @IsEnum(ProfileViewSource)
    source?: ProfileViewSource;
}