/**
 * Tests for Chain Inspector confidence and missing_link_constraints finding using real files.
 */

import { describe, it, expect } from "vitest";
import { inspectChains } from "../../analysis/chainInspector";
import { createVaultAppFromFixtures } from "../helpers/vaultHelper";
import { loadChainRolesFromFixtures, loadChainTemplatesFromFixtures } from "../helpers/configHelper";
import type { SectionContext } from "../../analysis/sectionContext";
import type { ChainTemplatesConfig } from "../../dictionary/types";

describe("Chain Inspector confidence and missing_link_constraints", () => {
  it("should emit missing_link_constraints (INFO) for discovery profile with complete slots but incomplete links", async () => {
    const app = createVaultAppFromFixtures();
    
    const chainRoles = loadChainRolesFromFixtures();
    const baseTemplates = loadChainTemplatesFromFixtures();
    
    if (!chainRoles || !baseTemplates) {
      console.warn("Skipping test: real config files not found in fixtures");
      return;
    }

    // Create templates config with discovery profile and a template that requires causal links
    const chainTemplates: ChainTemplatesConfig = {
      ...baseTemplates,
      defaults: {
        ...baseTemplates.defaults,
        profiles: {
          discovery: {
            required_links: false,
            min_slots_filled_for_gap_findings: 1,
            min_score_for_gap_findings: 0,
          },
        },
      },
      templates: [
        {
          name: "loop_learning",
          slots: [
            { id: "trigger", allowed_node_types: ["experience"] },
            { id: "transformation", allowed_node_types: ["insight"] },
          ],
          links: [
            { from: "trigger", to: "transformation", allowed_edge_roles: ["causal"] },
          ],
        },
      ],
    };

    const context: SectionContext = {
      file: "Tests/01_experience_trigger.md",
      heading: "Kontext",
      zoneKind: "content",
      sectionIndex: 0,
    };

    const report = await inspectChains(
      app,
      context,
      {
        includeNoteLinks: true,
        includeCandidates: false,
        maxDepth: 3,
        direction: "both",
      },
      chainRoles,
      "_system/dictionary/edge_vocabulary.md",
      chainTemplates,
      undefined,
      "discovery"
    );

    // Should have template match
    if (!report.templateMatches || report.templateMatches.length === 0) {
      return; // Skip if no matches
    }
    
    const match = report.templateMatches[0];
    expect(match).toBeDefined();
    if (!match) return;
    
    // If slots are complete but links incomplete, should be plausible
    if (match.slotsComplete && !match.linksComplete) {
      expect(match.confidence).toBe("plausible");
      
      // Should emit missing_link_constraints finding with INFO severity
      const missingLinkFinding = report.findings.find((f) => f.code === "missing_link_constraints");
      expect(missingLinkFinding).toBeDefined();
      expect(missingLinkFinding?.severity).toBe("info");
    }
  });

  it("should emit missing_link_constraints (WARN) for decisioning profile with complete slots but incomplete links", async () => {
    const app = createVaultAppFromFixtures();
    
    const chainRoles = loadChainRolesFromFixtures();
    const baseTemplates = loadChainTemplatesFromFixtures();
    
    if (!chainRoles || !baseTemplates) {
      console.warn("Skipping test: real config files not found in fixtures");
      return;
    }

    const chainTemplates: ChainTemplatesConfig = {
      ...baseTemplates,
      defaults: {
        ...baseTemplates.defaults,
        profiles: {
          decisioning: {
            required_links: true,
            min_slots_filled_for_gap_findings: 3,
            min_score_for_gap_findings: 20,
          },
        },
      },
      templates: [
        {
          name: "loop_learning",
          slots: [
            { id: "trigger", allowed_node_types: ["experience"] },
            { id: "transformation", allowed_node_types: ["insight"] },
          ],
          links: [
            { from: "trigger", to: "transformation", allowed_edge_roles: ["causal"] },
          ],
        },
      ],
    };

    const context: SectionContext = {
      file: "Tests/01_experience_trigger.md",
      heading: "Kontext",
      zoneKind: "content",
      sectionIndex: 0,
    };

    const report = await inspectChains(
      app,
      context,
      {
        includeNoteLinks: true,
        includeCandidates: false,
        maxDepth: 3,
        direction: "both",
      },
      chainRoles,
      "_system/dictionary/edge_vocabulary.md",
      chainTemplates,
      undefined,
      "decisioning"
    );

    // Should emit missing_link_constraints finding with WARN severity
    if (!report.templateMatches || report.templateMatches.length === 0) {
      return; // Skip if no matches
    }
    
    const match = report.templateMatches[0];
    if (!match) return;
    
    if (match.slotsComplete && !match.linksComplete) {
      const missingLinkFinding = report.findings.find((f) => f.code === "missing_link_constraints");
      expect(missingLinkFinding).toBeDefined();
      expect(missingLinkFinding?.severity).toBe("warn");
    }
  });

  it("should compute confirmed confidence for complete chain with causal roles", async () => {
    const app = createVaultAppFromFixtures();
    
    const chainRoles = loadChainRolesFromFixtures();
    const chainTemplates = loadChainTemplatesFromFixtures();
    
    if (!chainRoles || !chainTemplates) {
      console.warn("Skipping test: real config files not found in fixtures");
      return;
    }

    const context: SectionContext = {
      file: "Tests/01_experience_trigger.md",
      heading: "Kontext",
      zoneKind: "content",
      sectionIndex: 0,
    };

    const report = await inspectChains(
      app,
      context,
      {
        includeNoteLinks: true,
        includeCandidates: false,
        maxDepth: 3,
        direction: "both",
      },
      chainRoles,
      "_system/dictionary/edge_vocabulary.md",
      chainTemplates,
      undefined,
      "decisioning"
    );

    // Should have complete match with confirmed confidence if all slots and links are found
    if (!report.templateMatches || report.templateMatches.length === 0) {
      return; // Skip if no matches
    }
    
    const match = report.templateMatches[0];
    if (!match) return;
    
    if (match.slotsComplete && match.linksComplete) {
      expect(match.confidence).toBe("confirmed");
      
      // Should NOT emit missing_link_constraints finding
      const missingLinkFinding = report.findings.find((f) => f.code === "missing_link_constraints");
      expect(missingLinkFinding).toBeUndefined();
    }
  });
});