use lazy_static::lazy_static;
use regex::Regex;
use serde::{Deserialize, Serialize};
use utoipa::ToSchema;
use validator::{Validate, ValidationError};

// Custom validator for content length and format
pub fn validate_testimonial_content(content: &str) -> Result<(), ValidationError> {
	lazy_static! {
		static ref CONTENT_REGEX: Regex = Regex::new(r"^[a-zA-Z0-9\s.,!?'-]+$").unwrap();
	}
	if CONTENT_REGEX.is_match(content) && content.len() <= 1000 {
		Ok(())
	} else {
		Err(ValidationError::new("invalid_content"))
	}
}

#[derive(Clone, Debug, Serialize, Deserialize, ToSchema, Validate)]
pub struct TestimonialsCreateRequestDto {
	#[validate(length(min = 1, max = 100, message = "Role must be between 1 and 100 characters"))]
	pub role: String,
	
	#[validate(length(
		min = 1,
		max = 1000,
		message = "Content must be between 1 and 1000 characters"
	))]
	#[validate(custom(
		function = "validate_testimonial_content",
		message = "Content contains invalid characters or is too long"
	))]
	pub content: String,
}

#[derive(Clone, Debug, Serialize, Deserialize, ToSchema, Validate)]
pub struct TestimonialsUpdateRequestDto {
	#[validate(length(min = 1, max = 100, message = "Role must be between 1 and 100 characters"))]
	pub role: String,
	
	#[validate(length(
		min = 1,
		max = 1000,
		message = "Content must be between 1 and 1000 characters"
	))]
	#[validate(custom(
		function = "validate_testimonial_content",
		message = "Content contains invalid characters or is too long"
	))]
	pub content: String,
}

#[derive(Clone, Debug, Serialize, Deserialize, ToSchema)]
pub struct TestimonialsListItemDto {
	pub id: String,
	pub user_id: String,
	pub user_fullname: String,
	pub role: String,
	pub content: String,
	pub created_at: String,
	pub is_deleted: bool,
}

#[derive(Clone, Debug, Serialize, Deserialize, ToSchema)]
pub struct TestimonialsDetailItemDto {
	pub id: String,
	pub user_id: String,
	pub user_fullname: String,
	pub role: String,
	pub content: String,
	pub created_at: String,
	pub updated_at: String,
}

#[derive(Clone, Debug, Serialize, Deserialize)]
pub struct TestimonialsQueryDto {
	pub id: String,
	pub user_id: String,
	pub user_fullname: String,
	pub role: String,
	pub content: String,
	pub is_deleted: bool,
	pub created_at: String,
	pub updated_at: String,
}

impl TestimonialsQueryDto {
	pub fn from(self) -> TestimonialsListItemDto {
		TestimonialsListItemDto {
			id: self.id,
			user_id: self.user_id,
			user_fullname: self.user_fullname,
			role: self.role,
			content: self.content,
			created_at: self.created_at,
			is_deleted: self.is_deleted,
		}
	}
}