/// <reference types="node" />
/// <reference types="mocha" />

import { expect } from "chai";
import {
  validateToolConfig,
  convertParametersToJsonSchema,
  convertParameterToJsonSchema,
  convertParametersToZodSchema,
  ParameterConfig,
  DevToolsConfig,
} from "../src/config.js";

describe("Advanced Parameter Handling", function () {
  describe("Nested Objects Validation", function () {
    it("should validate nested object structures", function () {
      const config: DevToolsConfig = {
        testTool: {
          name: "test_tool",
          parameters: {
            settings: {
              type: "object",
              description: "Configuration settings",
              properties: {
                performance: {
                  type: "object",
                  description: "Performance settings",
                  properties: {
                    level: {
                      type: "number",
                      description: "Performance level",
                    },
                    optimizeFor: {
                      type: "enum",
                      enum: ["speed", "memory", "balanced"],
                      description: "Optimization target",
                    },
                  },
                },
              },
            },
          },
        },
      };

      const result = validateToolConfig(config, "testTool");
      expect(result).to.be.null;
    });

    it("should catch invalid nested object structures", function () {
      const config: DevToolsConfig = {
        testTool: {
          name: "test_tool",
          parameters: {
            settings: {
              type: "object",
              description: "Configuration settings",
              properties: {
                performance: {
                  type: "object",
                  description: "Performance settings",
                  properties: {
                    level: {
                      // @ts-ignore - Intentionally using an invalid type for testing
                      type: "invalid_type",
                      description: "Performance level",
                    },
                  },
                },
              },
            },
          },
        },
      };

      const result = validateToolConfig(config, "testTool");
      expect(result).to.not.be.null;
      expect(result).to.include("invalid type");
    });
  });

  describe("Array Items Validation", function () {
    it("should validate array with typed items", function () {
      const config: DevToolsConfig = {
        testTool: {
          name: "test_tool",
          parameters: {
            data: {
              type: "array",
              description: "Data points",
              items: {
                type: "number",
                description: "Numeric data point",
              },
            },
          },
        },
      };

      const result = validateToolConfig(config, "testTool");
      expect(result).to.be.null;
    });

    it("should catch invalid array item types", function () {
      const config: DevToolsConfig = {
        testTool: {
          name: "test_tool",
          parameters: {
            data: {
              type: "array",
              description: "Data points",
              items: {
                // @ts-ignore - Intentionally using an invalid type for testing
                type: "invalid",
                description: "Invalid data point type",
              },
            },
          },
        },
      };

      const result = validateToolConfig(config, "testTool");
      expect(result).to.not.be.null;
      expect(result).to.contain("invalid type");
    });
  });

  describe("Complex Parameter Schema Conversion", function () {
    it("should convert nested object structure to JSON Schema", function () {
      const parameters: Record<string, ParameterConfig> = {
        settings: {
          type: "object",
          description: "Configuration settings",
          required: true,
          properties: {
            performance: {
              type: "object",
              description: "Performance settings",
              properties: {
                level: {
                  type: "number",
                  description: "Performance level",
                  default: 3,
                },
                optimizeFor: {
                  type: "enum",
                  enum: ["speed", "memory", "balanced"],
                  description: "Optimization target",
                  default: "balanced",
                },
              },
            },
            security: {
              type: "object",
              description: "Security settings",
              properties: {
                enabled: {
                  type: "boolean",
                  description: "Whether security is enabled",
                  default: true,
                },
              },
            },
          },
        },
      };

      const schema = convertParametersToJsonSchema(parameters);

      expect(schema.type).to.equal("object");
      expect(schema.required).to.deep.equal(["settings"]);
      expect(schema.properties.settings.type).to.equal("object");
      expect(schema.properties.settings.properties.performance.type).to.equal(
        "object"
      );
      expect(
        schema.properties.settings.properties.performance.properties.level.type
      ).to.equal("number");
      expect(
        schema.properties.settings.properties.performance.properties.optimizeFor
          .enum
      ).to.deep.equal(["speed", "memory", "balanced"]);
    });

    it("should convert array with typed items to JSON Schema", function () {
      const parameters: Record<string, ParameterConfig> = {
        data: {
          type: "array",
          description: "Data points",
          items: {
            type: "number",
            description: "Numeric data point",
          },
        },
      };

      const schema = convertParametersToJsonSchema(parameters);

      expect(schema.type).to.equal("object");
      expect(schema.properties.data.type).to.equal("array");
      expect(schema.properties.data.items.type).to.equal("number");
    });

    it("should convert array of enum types to JSON Schema", function () {
      const parameters: Record<string, ParameterConfig> = {
        operations: {
          type: "array",
          description: "Operations to perform",
          items: {
            type: "enum",
            enum: ["sum", "average", "min", "max"],
            description: "Operation type",
          },
        },
      };

      const schema = convertParametersToJsonSchema(parameters);

      expect(schema.type).to.equal("object");
      expect(schema.properties.operations.type).to.equal("array");
      expect(schema.properties.operations.items.type).to.equal("string");
      expect(schema.properties.operations.items.enum).to.deep.equal([
        "sum",
        "average",
        "min",
        "max",
      ]);
    });
  });

  describe("Numeric Enum Handling", function () {
    it("should correctly identify numeric enum types", function () {
      const parameters: Record<string, ParameterConfig> = {
        level: {
          type: "enum",
          enum: [1, 2, 3, 4, 5],
          description: "Performance level (1-5)",
          default: 3,
        },
      };

      const schema = convertParametersToJsonSchema(parameters);

      expect(schema.properties.level.type).to.equal("number");
      expect(schema.properties.level.enum).to.deep.equal([1, 2, 3, 4, 5]);
    });

    it("should handle mixed enum types (defaulting to string)", function () {
      const parameters: Record<string, ParameterConfig> = {
        mixed: {
          type: "enum",
          // @ts-ignore - Intentionally using mixed types for testing
          enum: ["low", 1, "medium", 2, "high"],
          description: "Mixed enum values",
        },
      };

      const schema = convertParametersToJsonSchema(parameters);

      // By our implementation, it should use the type of the first value
      expect(schema.properties.mixed.type).to.equal("string");
      expect(schema.properties.mixed.enum).to.deep.equal([
        "low",
        1,
        "medium",
        2,
        "high",
      ]);
    });
  });

  describe("Full Advanced Tool Configuration", function () {
    it("should validate the complete advanced tool from examples.yaml", function () {
      const config: DevToolsConfig = {
        advanced_tool: {
          name: "advanced_configuration",
          description: "Configure a system with complex parameters",
          parameters: {
            name: {
              type: "string",
              description: "Name of the configuration",
              required: true,
            },
            settings: {
              type: "object",
              description: "Configuration settings",
              required: true,
              properties: {
                performance: {
                  type: "object",
                  description: "Performance settings",
                  properties: {
                    level: {
                      type: "enum",
                      enum: [1, 2, 3, 4, 5],
                      description: "Performance level (1-5)",
                      default: 3,
                    },
                    optimizeFor: {
                      type: "enum",
                      enum: ["speed", "memory", "balanced"],
                      description: "What to optimize for",
                      default: "balanced",
                    },
                  },
                },
                security: {
                  type: "object",
                  description: "Security settings",
                  properties: {
                    enabled: {
                      type: "boolean",
                      description: "Whether security is enabled",
                      default: true,
                    },
                    levels: {
                      type: "array",
                      description: "Security levels to apply",
                      items: {
                        type: "string",
                      },
                    },
                  },
                },
              },
            },
            tags: {
              type: "array",
              description: "Tags for this configuration",
              items: {
                type: "string",
              },
            },
            timeout: {
              type: "number",
              description: "Timeout in seconds",
              default: 30,
            },
          },
        },
      };

      const result = validateToolConfig(config, "advanced_tool");
      expect(result).to.be.null;

      const schema = convertParametersToJsonSchema(
        config.advanced_tool!.parameters!
      );
      expect(schema.type).to.equal("object");
      expect(schema.required).to.deep.equal(["name", "settings"]);

      // Check nested object paths
      expect(
        schema.properties.settings.properties.performance.properties.level.enum
      ).to.deep.equal([1, 2, 3, 4, 5]);
      expect(
        schema.properties.settings.properties.security.properties.levels.type
      ).to.equal("array");

      // Check array items
      expect(schema.properties.tags.items.type).to.equal("string");
    });
  });

  describe("Individual Parameter Schema Conversion", function () {
    it("should convert individual string parameter to JSON Schema", function () {
      const param: ParameterConfig = {
        type: "string",
        description: "A string parameter",
        default: "default value",
      };

      const schema = convertParameterToJsonSchema(param);
      expect(schema.type).to.equal("string");
      expect(schema.description).to.equal("A string parameter");
      expect(schema.default).to.equal("default value");
    });

    it("should convert individual enum parameter to JSON Schema", function () {
      const param: ParameterConfig = {
        type: "enum",
        enum: ["option1", "option2", "option3"],
        description: "An enum parameter",
        default: "option2",
      };

      const schema = convertParameterToJsonSchema(param);
      expect(schema.type).to.equal("string");
      expect(schema.enum).to.deep.equal(["option1", "option2", "option3"]);
      expect(schema.default).to.equal("option2");
    });

    it("should convert individual numeric enum parameter to JSON Schema", function () {
      const param: ParameterConfig = {
        type: "enum",
        enum: [1, 2, 3, 4, 5],
        description: "A numeric enum parameter",
        default: 3,
      };

      const schema = convertParameterToJsonSchema(param);
      expect(schema.type).to.equal("number");
      expect(schema.enum).to.deep.equal([1, 2, 3, 4, 5]);
      expect(schema.default).to.equal(3);
    });

    it("should convert individual array parameter with items to JSON Schema", function () {
      const param: ParameterConfig = {
        type: "array",
        description: "An array parameter",
        items: {
          type: "string",
          description: "String item",
        },
      };

      const schema = convertParameterToJsonSchema(param);
      expect(schema.type).to.equal("array");
      expect(schema.items.type).to.equal("string");
    });
  });
});