import {
  pgTable,
  uuid,
  text,
  integer,
  timestamp,
  jsonb,
  pgEnum,
  boolean,
} from "drizzle-orm/pg-core";

export const taskStatusEnum = pgEnum("task_status", [
  "active",
  "queued",
  "blocked",
  "completed",
  "cancelled",
]);

export const taskPriorityEnum = pgEnum("task_priority", [
  "critical",
  "high",
  "medium",
  "low",
]);

export const taskSourceEnum = pgEnum("task_source", [
  "donovan",
  "david",
  "hammer",
  "heartbeat",
  "cron",
  "other",
]);

export interface ProgressNote {
  timestamp: string;
  note: string;
}

export interface Subtask {
  id: string;
  title: string;
  completed: boolean;
  completedAt?: string;
  createdAt: string;
}

export type RecurrenceFrequency = "daily" | "weekly" | "biweekly" | "monthly";

export interface Recurrence {
  frequency: RecurrenceFrequency;
  /** Auto-activate the next instance (vs. queue it) */
  autoActivate?: boolean;
}

// ─── Projects ───

export interface ProjectLink {
  label: string;
  url: string;
}

export const projects = pgTable("projects", {
  id: uuid("id").defaultRandom().primaryKey(),
  name: text("name").notNull(),
  description: text("description"),
  context: text("context"), // Architecture notes, how-to, credentials references
  repos: jsonb("repos").$type<string[]>().default([]), // Git repo URLs
  links: jsonb("links").$type<ProjectLink[]>().default([]), // Related URLs (docs, domains, dashboards)
  createdAt: timestamp("created_at", { withTimezone: true }).defaultNow().notNull(),
  updatedAt: timestamp("updated_at", { withTimezone: true }).defaultNow().notNull(),
});

export type Project = typeof projects.$inferSelect;
export type NewProject = typeof projects.$inferInsert;

// ─── Tasks ───

export const tasks = pgTable("tasks", {
  id: uuid("id").defaultRandom().primaryKey(),
  taskNumber: integer("task_number"),
  title: text("title").notNull(),
  description: text("description"),
  source: taskSourceEnum("source").notNull().default("donovan"),
  status: taskStatusEnum("status").notNull().default("queued"),
  priority: taskPriorityEnum("priority").notNull().default("medium"),
  position: integer("position").notNull().default(0),
  assigneeId: text("assignee_id"),
  assigneeName: text("assignee_name"),
  projectId: uuid("project_id").references(() => projects.id, { onDelete: "set null" }),
  dueDate: timestamp("due_date", { withTimezone: true }),
  estimatedHours: integer("estimated_hours"),
  tags: jsonb("tags").$type<string[]>().default([]),
  recurrence: jsonb("recurrence").$type<Recurrence>(),
  subtasks: jsonb("subtasks").$type<Subtask[]>().default([]),
  progressNotes: jsonb("progress_notes").$type<ProgressNote[]>().default([]),
  createdAt: timestamp("created_at", { withTimezone: true }).defaultNow().notNull(),
  updatedAt: timestamp("updated_at", { withTimezone: true }).defaultNow().notNull(),
  completedAt: timestamp("completed_at", { withTimezone: true }),
});

export type Task = typeof tasks.$inferSelect;
export type NewTask = typeof tasks.$inferInsert;

// ─── Comments ───

export const taskComments = pgTable("task_comments", {
  id: uuid("id").defaultRandom().primaryKey(),
  taskId: uuid("task_id").notNull().references(() => tasks.id, { onDelete: "cascade" }),
  authorId: text("author_id"), // BetterAuth user ID, or "hammer" for API, null for anonymous
  authorName: text("author_name").notNull(),
  content: text("content").notNull(),
  createdAt: timestamp("created_at", { withTimezone: true }).defaultNow().notNull(),
});

export type TaskComment = typeof taskComments.$inferSelect;
export type NewTaskComment = typeof taskComments.$inferInsert;

// ─── Security Audits ───

export const securityAuditStatusEnum = pgEnum("security_audit_status", [
  "strong",
  "needs_improvement",
  "critical",
]);

export interface SecurityFinding {
  id: string;
  status: "strong" | "needs_improvement" | "critical";
  title: string;
  description: string;
  recommendation: string;
}

export const securityAudits = pgTable("security_audits", {
  id: uuid("id").defaultRandom().primaryKey(),
  projectName: text("project_name").notNull(),
  category: text("category").notNull(),
  findings: jsonb("findings").$type<SecurityFinding[]>().default([]),
  score: integer("score").notNull().default(0), // 0-100
  lastAudited: timestamp("last_audited", { withTimezone: true }).defaultNow().notNull(),
  createdAt: timestamp("created_at", { withTimezone: true }).defaultNow().notNull(),
  updatedAt: timestamp("updated_at", { withTimezone: true }).defaultNow().notNull(),
});

export type SecurityAudit = typeof securityAudits.$inferSelect;
export type NewSecurityAudit = typeof securityAudits.$inferInsert;

// ─── Daily Summaries ───

export interface SummaryHighlight {
  text: string;
}

export interface SummaryStats {
  deploys?: number;
  commits?: number;
  tasksCompleted?: number;
  featuresBuilt?: number;
  bugsFixed?: number;
  [key: string]: number | undefined;
}

export const dailySummaries = pgTable("daily_summaries", {
  id: uuid("id").defaultRandom().primaryKey(),
  date: text("date").notNull().unique(), // YYYY-MM-DD
  content: text("content").notNull(),
  highlights: jsonb("highlights").$type<SummaryHighlight[]>().default([]),
  stats: jsonb("stats").$type<SummaryStats>().default({}),
  createdAt: timestamp("created_at", { withTimezone: true }).defaultNow().notNull(),
  updatedAt: timestamp("updated_at", { withTimezone: true }).defaultNow().notNull(),
});

export type DailySummary = typeof dailySummaries.$inferSelect;
export type NewDailySummary = typeof dailySummaries.$inferInsert;

// ─── Personal Todos ───

export const todoPriorityEnum = pgEnum("todo_priority", [
  "high",
  "medium",
  "low",
  "none",
]);

export const todos = pgTable("todos", {
  id: uuid("id").defaultRandom().primaryKey(),
  userId: text("user_id").notNull(),
  title: text("title").notNull(),
  description: text("description"),
  isCompleted: boolean("is_completed").notNull().default(false),
  priority: todoPriorityEnum("priority").notNull().default("none"),
  category: text("category"),
  dueDate: timestamp("due_date", { withTimezone: true }),
  completedAt: timestamp("completed_at", { withTimezone: true }),
  sortOrder: integer("sort_order").notNull().default(0),
  createdAt: timestamp("created_at", { withTimezone: true }).defaultNow().notNull(),
  updatedAt: timestamp("updated_at", { withTimezone: true }).defaultNow().notNull(),
});

export type Todo = typeof todos.$inferSelect;
export type NewTodo = typeof todos.$inferInsert;

// ─── BetterAuth tables ───

export const users = pgTable("users", {
  id: text("id").primaryKey(),
  name: text("name").notNull(),
  email: text("email").notNull().unique(),
  emailVerified: boolean("email_verified").notNull().default(false),
  image: text("image"),
  role: text("role").notNull().default("user"),
  createdAt: timestamp("created_at", { withTimezone: true }).notNull().defaultNow(),
  updatedAt: timestamp("updated_at", { withTimezone: true }).notNull().defaultNow(),
});

export const sessions = pgTable("sessions", {
  id: text("id").primaryKey(),
  expiresAt: timestamp("expires_at", { withTimezone: true }).notNull(),
  token: text("token").notNull().unique(),
  createdAt: timestamp("created_at", { withTimezone: true }).notNull().defaultNow(),
  updatedAt: timestamp("updated_at", { withTimezone: true }).notNull().defaultNow(),
  ipAddress: text("ip_address"),
  userAgent: text("user_agent"),
  userId: text("user_id").notNull().references(() => users.id),
});

export const accounts = pgTable("accounts", {
  id: text("id").primaryKey(),
  accountId: text("account_id").notNull(),
  providerId: text("provider_id").notNull(),
  userId: text("user_id").notNull().references(() => users.id),
  accessToken: text("access_token"),
  refreshToken: text("refresh_token"),
  idToken: text("id_token"),
  accessTokenExpiresAt: timestamp("access_token_expires_at", { withTimezone: true }),
  refreshTokenExpiresAt: timestamp("refresh_token_expires_at", { withTimezone: true }),
  scope: text("scope"),
  password: text("password"),
  createdAt: timestamp("created_at", { withTimezone: true }).notNull().defaultNow(),
  updatedAt: timestamp("updated_at", { withTimezone: true }).notNull().defaultNow(),
});

export const verifications = pgTable("verifications", {
  id: text("id").primaryKey(),
  identifier: text("identifier").notNull(),
  value: text("value").notNull(),
  expiresAt: timestamp("expires_at", { withTimezone: true }).notNull(),
  createdAt: timestamp("created_at", { withTimezone: true }).notNull().defaultNow(),
  updatedAt: timestamp("updated_at", { withTimezone: true }).notNull().defaultNow(),
});