import { defineTable } from 'convex/server';
import { Infer, v } from 'convex/values';

// Status de templates de fluxo
export const flowTemplateStatus = v.union(
	v.literal('draft'),
	v.literal('published'),
	v.literal('archived')
);
export type FlowTemplateStatus = Infer<typeof flowTemplateStatus>;

// Status de instâncias de fluxo
export const flowInstanceStatus = v.union(
	v.literal('active'),
	v.literal('completed'),
	v.literal('cancelled')
);
export type FlowInstanceStatus = Infer<typeof flowInstanceStatus>;

// Status de passos de instância de fluxo
export const flowInstanceStepStatus = v.union(
	v.literal('pending'),
	v.literal('in_progress'),
	v.literal('completed'),
	v.literal('blocked')
);
export type FlowInstanceStepStatus = Infer<typeof flowInstanceStepStatus>;

export const flowsTables = {
	// Templates de fluxo
	flowTemplates: defineTable({
		name: v.string(),
		description: v.optional(v.string()),
		status: flowTemplateStatus,
		createdBy: v.id('usuarios'),
		createdAt: v.number()
	})
		.index('by_status', ['status'])
		.index('by_createdBy', ['createdBy']),

	// Passos de template de fluxo
	flowSteps: defineTable({
		flowTemplateId: v.id('flowTemplates'),
		name: v.string(),
		description: v.optional(v.string()),
		position: v.number(),
		expectedDuration: v.number(), // em dias
		setorId: v.id('setores'),
		defaultAssigneeId: v.optional(v.id('usuarios')),
		requiredDocuments: v.optional(v.array(v.string()))
	})
		.index('by_flowTemplateId', ['flowTemplateId'])
		.index('by_flowTemplateId_and_position', ['flowTemplateId', 'position']),

	// Instâncias de fluxo
	flowInstances: defineTable({
		flowTemplateId: v.id('flowTemplates'),
		contratoId: v.optional(v.id('contratos')),
		managerId: v.id('usuarios'),
		status: flowInstanceStatus,
		startedAt: v.number(),
		finishedAt: v.optional(v.number()),
		currentStepId: v.optional(v.id('flowInstanceSteps'))
	})
		.index('by_flowTemplateId', ['flowTemplateId'])
		.index('by_contratoId', ['contratoId'])
		.index('by_managerId', ['managerId'])
		.index('by_status', ['status']),

	// Passos de instância de fluxo
	flowInstanceSteps: defineTable({
		flowInstanceId: v.id('flowInstances'),
		flowStepId: v.id('flowSteps'),
		setorId: v.id('setores'),
		assignedToId: v.optional(v.id('usuarios')),
		status: flowInstanceStepStatus,
		startedAt: v.optional(v.number()),
		finishedAt: v.optional(v.number()),
		notes: v.optional(v.string()),
		notesUpdatedBy: v.optional(v.id('usuarios')),
		notesUpdatedAt: v.optional(v.number()),
		dueDate: v.optional(v.number())
	})
		.index('by_flowInstanceId', ['flowInstanceId'])
		.index('by_flowInstanceId_and_status', ['flowInstanceId', 'status'])
		.index('by_setorId', ['setorId'])
		.index('by_assignedToId', ['assignedToId']),

	// Documentos de instância de fluxo
	flowInstanceDocuments: defineTable({
		flowInstanceStepId: v.id('flowInstanceSteps'),
		uploadedById: v.id('usuarios'),
		storageId: v.id('_storage'),
		name: v.string(),
		uploadedAt: v.number()
	})
		.index('by_flowInstanceStepId', ['flowInstanceStepId'])
		.index('by_uploadedById', ['uploadedById']),

	// Sub-etapas de fluxo (para templates e instâncias)
	flowSubSteps: defineTable({
		flowStepId: v.optional(v.id('flowSteps')), // Para templates
		flowInstanceStepId: v.optional(v.id('flowInstanceSteps')), // Para instâncias
		name: v.string(),
		description: v.optional(v.string()),
		status: v.union(
			v.literal('pending'),
			v.literal('in_progress'),
			v.literal('completed'),
			v.literal('blocked')
		),
		position: v.number(),
		createdBy: v.id('usuarios'),
		createdAt: v.number()
	})
		.index('by_flowStepId', ['flowStepId'])
		.index('by_flowInstanceStepId', ['flowInstanceStepId']),

	// Notas de steps e sub-etapas
	flowStepNotes: defineTable({
		flowStepId: v.optional(v.id('flowSteps')),
		flowInstanceStepId: v.optional(v.id('flowInstanceSteps')),
		flowSubStepId: v.optional(v.id('flowSubSteps')),
		texto: v.string(),
		criadoPor: v.id('usuarios'),
		criadoEm: v.number(),
		arquivos: v.array(v.id('_storage'))
	})
		.index('by_flowStepId', ['flowStepId'])
		.index('by_flowInstanceStepId', ['flowInstanceStepId'])
		.index('by_flowSubStepId', ['flowSubStepId'])
};