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

#[derive(Debug, Clone, Serialize, Deserialize, sqlx::Type)]
#[sqlx(type_name = "proposal_status", rename_all = "lowercase")]
pub enum ProposalStatus {
    Draft,
    Discussion,
    Voting,
    Closed,
    Archived,
}

#[derive(Debug, Clone, Serialize, Deserialize, sqlx::Type)]
#[sqlx(type_name = "deliberation_phase", rename_all = "lowercase")]
pub enum DeliberationPhase {
    Drafting,
    Informing,
    Discussing,
    Voting,
    Concluded,
}

#[derive(Debug, Clone, Serialize, Deserialize, FromRow)]
pub struct Proposal {
    pub id: Uuid,
    pub community_id: Uuid,
    pub author_id: Uuid,
    pub title: String,
    pub description: String,
    pub status: ProposalStatus,
    pub voting_method: String,
    pub voting_starts_at: Option<DateTime<Utc>>,
    pub voting_ends_at: Option<DateTime<Utc>>,
    pub created_at: DateTime<Utc>,
    pub updated_at: DateTime<Utc>,
    pub deliberation_phase: Option<DeliberationPhase>,
    pub inform_starts_at: Option<DateTime<Utc>>,
    pub inform_ends_at: Option<DateTime<Utc>>,
    pub discuss_starts_at: Option<DateTime<Utc>>,
    pub discuss_ends_at: Option<DateTime<Utc>>,
    pub min_read_time_seconds: Option<i32>,
    pub facilitator_id: Option<Uuid>,
}

#[derive(Debug, Clone, Serialize, Deserialize, FromRow)]
#[allow(dead_code)]
pub struct ProposalOption {
    pub id: Uuid,
    pub proposal_id: Uuid,
    pub label: String,
    pub description: Option<String>,
    pub sort_order: i32,
    pub created_at: DateTime<Utc>,
}

#[derive(Debug, Serialize)]
pub struct ProposalWithOptions {
    #[serde(flatten)]
    pub proposal: Proposal,
    pub options: Vec<ProposalOptionWithVotes>,
    pub author_name: String,
}

#[derive(Debug, Serialize)]
pub struct ProposalOptionWithVotes {
    pub id: Uuid,
    pub label: String,
    pub description: Option<String>,
    pub vote_count: i64,
}

#[derive(Debug, Deserialize)]
pub struct CreateProposal {
    pub title: String,
    pub description: String,
    pub options: Vec<String>,
}