use chrono::{DateTime, Utc};
use serde::Serialize;
use uuid::Uuid;

#[derive(Debug, Clone, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct PodcastView {
    pub id: Uuid,
    pub youtube_channel_id: String,
    pub name: String,
    pub url: String,
    pub logo_url: Option<String>,
    pub description: Option<String>,
    pub status: String,
    pub videos_count: i64,
    pub interviewees_count: i64,
    pub last_synced_at: Option<DateTime<Utc>>,
    pub created_at: DateTime<Utc>,
}

#[derive(Debug, Clone, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct PodcastDiscoveryView {
    pub id: String,
    pub name: String,
    pub url: String,
    pub logo_url: Option<String>,
    pub description: String,
    pub subscribers_text: Option<String>,
    pub already_added: bool,
}

#[derive(Debug, Clone, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct IntervieweeView {
    pub id: Uuid,
    pub display_name: String,
    pub real_name: Option<String>,
    pub brand_name: Option<String>,
    pub avatar_url: Option<String>,
    pub category: String,
    pub professional_summary: String,
    pub public_bio: String,
    pub profession: Option<String>,
    pub content_type: Option<String>,
    pub audience: Option<String>,
    pub status: String,
    pub appearances_count: i64,
    pub contacts_count: i64,
    pub confidence: f64,
    pub last_enriched_at: Option<DateTime<Utc>>,
    pub created_at: DateTime<Utc>,
}

#[derive(Debug, Clone, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct ContactView {
    pub id: Uuid,
    pub interviewee_id: Uuid,
    pub interviewee_name: String,
    pub avatar_url: Option<String>,
    #[serde(rename = "type")]
    pub contact_type: String,
    pub value: String,
    pub relationship: String,
    pub label: Option<String>,
    pub status: String,
    pub confidence: f64,
    pub source_name: String,
    pub source_url: String,
    pub last_verified_at: Option<DateTime<Utc>>,
    pub created_at: DateTime<Utc>,
}

#[derive(Debug, Clone, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct ExecutionRunView {
    pub id: Uuid,
    pub name: String,
    #[serde(rename = "type")]
    pub run_type: String,
    pub status: String,
    pub stage: String,
    pub progress: i64,
    pub processed: i64,
    pub total: i64,
    pub current_target: Option<String>,
    pub errors_count: i64,
    pub estimated_cost: Option<f64>,
    pub started_at: Option<DateTime<Utc>>,
    pub finished_at: Option<DateTime<Utc>>,
    pub created_at: DateTime<Utc>,
}

#[derive(Debug, Clone, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct ReviewView {
    pub id: Uuid,
    pub kind: String,
    pub priority: String,
    pub title: String,
    pub subject: String,
    pub summary: String,
    pub proposed_value: String,
    pub evidence: String,
    pub confidence: f64,
    pub source_name: Option<String>,
    pub source_url: Option<String>,
    pub created_at: DateTime<Utc>,
}

#[derive(Debug, Clone, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct DashboardView {
    pub metrics: DashboardMetrics,
    pub changes: DashboardChanges,
    pub contact_distribution: Vec<ContactDistribution>,
    pub recent_runs: Vec<ExecutionRunView>,
    pub success_rate: f64,
    pub contacts_this_week: i64,
}

#[derive(Debug, Clone, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct DashboardMetrics {
    pub podcasts: i64,
    pub interviewees: i64,
    pub contacts: i64,
    pub active_runs: i64,
    pub pending_reviews: i64,
}

#[derive(Debug, Clone, Serialize)]
pub struct DashboardChanges {
    pub podcasts: i64,
    pub interviewees: i64,
    pub contacts: i64,
}

#[derive(Debug, Clone, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct AiUsageView {
    pub month: String,
    pub spent_usd: f64,
    pub limit_usd: f64,
    pub remaining_usd: f64,
    pub percent_used: f64,
    pub input_cost_per_million_usd: f64,
    pub output_cost_per_million_usd: f64,
    pub limit_exceeded: bool,
}

#[derive(Debug, Clone, Serialize)]
pub struct ContactDistribution {
    #[serde(rename = "type")]
    pub contact_type: String,
    pub count: i64,
    pub percentage: f64,
}