use schemars::JsonSchema;
use serde::{Deserialize, Serialize};
use std::collections::HashMap;

#[derive(Debug, Clone, Serialize, Deserialize, Default)]
pub struct CodeChange {
    pub timestamp: u64,
    pub file_path: String,
    pub description: String,
    pub git_commit: Option<String>,
    pub git_branch: Option<String>,
}
#[derive(Debug, Clone, Serialize, Deserialize, Default)]
pub struct StickyNote {
    pub timestamp: u64,
    pub content: String,
    #[serde(default)]
    pub expires_at: Option<u64>,
}
pub fn default_namespace() -> String {
    "global".to_string()
}
#[derive(Debug, Clone, Serialize, Deserialize, JsonSchema)]
pub struct Entity {
    pub name: String,
    pub entity_type: String,
    #[serde(default)]
    pub observations: Vec<String>,
    #[serde(default = "default_namespace")]
    pub namespace: String,
    #[serde(default)]
    pub git_branch: Option<String>,
}
#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq, Hash, JsonSchema)]
pub struct Relation {
    pub from: String,
    pub to: String,
    pub relation_type: String,
    #[serde(default = "default_namespace")]
    pub namespace: String,
}
#[derive(Debug, Clone, Default, Serialize, Deserialize)]
pub struct KnowledgeGraph {
    #[serde(default)]
    pub entities: HashMap<String, Entity>,
    #[serde(default)]
    pub relations: Vec<Relation>,
}
#[derive(Debug, Clone, Serialize, Deserialize, Default)]
pub struct AcceptanceCriteria {
    pub id: String,
    pub description: String,
    pub is_met: bool,
}

#[derive(Debug, Clone, Serialize, Deserialize, Default)]
pub struct Task {
    pub id: String,
    pub title: String,
    pub status: String,
    pub description: String,
    pub created_at: u64,
    pub updated_at: u64,
    pub git_branch: Option<String>,
    #[serde(default)]
    pub parent_id: Option<String>,
    #[serde(default)]
    pub expires_at: Option<u64>,
    #[serde(default)]
    pub dependencies: Vec<String>,
    #[serde(default)]
    pub acceptance_criteria: Vec<AcceptanceCriteria>,
}
#[derive(Debug, Clone, Serialize, Deserialize, Default)]
pub struct Snippet {
    pub name: String,
    pub language: String,
    pub code: String,
    pub description: String,
    pub updated_at: u64,
    #[serde(default)]
    pub embedding: Option<Vec<f32>>,
}
#[derive(Debug, Clone, Serialize, Deserialize, Default)]
pub struct Adr {
    pub id: String,
    pub title: String,
    pub context: String,
    pub decision: String,
    pub consequence: String,
    #[serde(default = "default_adr_status")]
    pub status: String,
    #[serde(default)]
    pub supersedes: Option<String>,
    pub timestamp: u64,
}

fn default_adr_status() -> String {
    "accepted".to_string()
}
#[derive(Debug, Clone, Serialize, Deserialize, Default)]
pub struct Preference {
    pub key: String,
    pub value: String,
    pub updated_at: u64,
}
#[derive(Debug, Clone, Serialize, Deserialize, Default)]
pub struct ErrorFix {
    pub signature: String,
    pub solution: String,
    pub timestamp: u64,
    pub git_commit: Option<String>,
    pub git_branch: Option<String>,
    #[serde(default)]
    pub embedding: Option<Vec<f32>>,
}
#[derive(Debug, Clone, Serialize, Deserialize, Default)]
pub struct PinnedFile {
    pub namespace: String,
    pub file_path: String,
    pub timestamp: u64,
    pub git_branch: Option<String>,
}
#[derive(Debug, Clone, Serialize, Deserialize, Default)]
pub struct SessionSummary {
    pub timestamp: u64,
    pub summary: String,
    pub namespace: String,
    #[serde(default)]
    pub expires_at: Option<u64>,
}
#[derive(Debug, Clone, Serialize, Deserialize, Default)]
pub struct HandoffMemo {
    pub id: String,
    pub author: String,
    pub content: String,
    #[serde(default)]
    pub expires_at: Option<u64>,
    pub namespace: String,
    pub timestamp: u64,
}
#[derive(Debug, Clone, Serialize, Deserialize, Default)]
pub struct EnvFingerprint {
    pub namespace: String,
    pub os: String,
    pub shell: String,
    pub tool_versions: HashMap<String, String>,
    pub updated_at: u64,
}
#[derive(Debug, Clone, Serialize, Deserialize, Default)]
pub struct EnvRequirement {
    pub namespace: String,
    pub key: String,
    pub description: String,
    pub is_secret: bool,
}
#[derive(Debug, Clone, Serialize, Deserialize, Default)]
pub struct Milestone {
    pub id: String,
    pub title: String,
    pub status: String,
    pub namespace: String,
    pub target_date: Option<u64>,
}
#[derive(Debug, Clone, Serialize, Deserialize, Default)]
pub struct EnvironmentDetail {
    pub namespace: String,
    pub name: String,
    pub url: String,
    pub description: String,
    pub requires_vpn: bool,
    pub updated_at: u64,
}
#[derive(Debug, Clone, Serialize, Deserialize, Default)]
pub struct PrChecklistItem {
    pub namespace: String,
    pub id: String,
    pub description: String,
}
#[derive(Debug, Clone, Serialize, Deserialize, Default)]
pub struct TechDebt {
    pub id: String,
    pub namespace: String,
    pub description: String,
    pub ideal_solution: String,
    pub is_resolved: bool,
    pub created_at: u64,
    pub git_commit: Option<String>,
    pub git_branch: Option<String>,
    #[serde(default)]
    pub embedding: Option<Vec<f32>>,
}
#[derive(Debug, Clone, Serialize, Deserialize, Default)]
pub struct ContextWorkspace {
    pub name: String,
    pub namespace: String,
    pub pinned_files: Vec<String>,
    pub active_task_ids: Vec<String>,
    pub saved_at: u64,
}

#[derive(Debug, Clone, Serialize, Deserialize, Default)]
pub struct GateRecord {
    pub id: String,
    pub action: String,
    pub target: String,
    pub namespace: Option<String>,
    pub params: std::collections::HashMap<String, String>,
    pub status: String,
    pub reason: Option<String>,
    pub timestamp: u64,
}
#[derive(Debug, Clone, Serialize, Deserialize, Default)]
pub struct TerminalHistory {
    pub command: String,
    pub exit_code: i32,
    pub cwd: String,
    pub os: String,
    pub timestamp: u64,
}