package tools

// import (
// 	"context"
// 	"errors"
// 	"fmt"
// 	"strings"
// 	"time"

// 	"github.com/google/uuid"
// 	"github.com/jackc/pgx/v5"
// 	"github.com/modelcontextprotocol/go-sdk/mcp"

// 	"git.warky.dev/wdevs/amcs/internal/store"
// 	ext "git.warky.dev/wdevs/amcs/internal/types"
// )

// type CRMTool struct {
// 	store *store.DB
// }

// func NewCRMTool(db *store.DB) *CRMTool {
// 	return &CRMTool{store: db}
// }

// // add_professional_contact

// type AddContactInput struct {
// 	Name         string     `json:"name" jsonschema:"contact's full name"`
// 	Company      string     `json:"company,omitempty"`
// 	Title        string     `json:"title,omitempty" jsonschema:"job title"`
// 	Email        string     `json:"email,omitempty"`
// 	Phone        string     `json:"phone,omitempty"`
// 	LinkedInURL  string     `json:"linkedin_url,omitempty"`
// 	HowWeMet     string     `json:"how_we_met,omitempty"`
// 	Tags         []string   `json:"tags,omitempty"`
// 	Notes        string     `json:"notes,omitempty"`
// 	FollowUpDate *time.Time `json:"follow_up_date,omitempty"`
// }

// type AddContactOutput struct {
// 	Contact ext.ProfessionalContact `json:"contact"`
// }

// func (t *CRMTool) AddContact(ctx context.Context, _ *mcp.CallToolRequest, in AddContactInput) (*mcp.CallToolResult, AddContactOutput, error) {
// 	if strings.TrimSpace(in.Name) == "" {
// 		return nil, AddContactOutput{}, errRequiredField("name")
// 	}
// 	if in.Tags == nil {
// 		in.Tags = []string{}
// 	}
// 	contact, err := t.store.AddProfessionalContact(ctx, ext.ProfessionalContact{
// 		Name:         strings.TrimSpace(in.Name),
// 		Company:      strings.TrimSpace(in.Company),
// 		Title:        strings.TrimSpace(in.Title),
// 		Email:        strings.TrimSpace(in.Email),
// 		Phone:        strings.TrimSpace(in.Phone),
// 		LinkedInURL:  strings.TrimSpace(in.LinkedInURL),
// 		HowWeMet:     strings.TrimSpace(in.HowWeMet),
// 		Tags:         in.Tags,
// 		Notes:        strings.TrimSpace(in.Notes),
// 		FollowUpDate: in.FollowUpDate,
// 	})
// 	if err != nil {
// 		return nil, AddContactOutput{}, err
// 	}
// 	return nil, AddContactOutput{Contact: contact}, nil
// }

// // search_contacts

// type SearchContactsInput struct {
// 	Query string   `json:"query,omitempty" jsonschema:"search text matching name, company, title, or notes"`
// 	Tags  []string `json:"tags,omitempty" jsonschema:"filter by tags (all must match)"`
// }

// type SearchContactsOutput struct {
// 	Contacts []ext.ProfessionalContact `json:"contacts"`
// }

// func (t *CRMTool) SearchContacts(ctx context.Context, _ *mcp.CallToolRequest, in SearchContactsInput) (*mcp.CallToolResult, SearchContactsOutput, error) {
// 	contacts, err := t.store.SearchContacts(ctx, in.Query, in.Tags)
// 	if err != nil {
// 		return nil, SearchContactsOutput{}, err
// 	}
// 	if contacts == nil {
// 		contacts = []ext.ProfessionalContact{}
// 	}
// 	return nil, SearchContactsOutput{Contacts: contacts}, nil
// }

// // log_interaction

// type LogInteractionInput struct {
// 	ContactID       uuid.UUID  `json:"contact_id" jsonschema:"id of the contact"`
// 	InteractionType string     `json:"interaction_type" jsonschema:"one of: meeting, email, call, coffee, event, linkedin, other"`
// 	OccurredAt      *time.Time `json:"occurred_at,omitempty" jsonschema:"when it happened (defaults to now)"`
// 	Summary         string     `json:"summary" jsonschema:"summary of the interaction"`
// 	FollowUpNeeded  bool       `json:"follow_up_needed,omitempty"`
// 	FollowUpNotes   string     `json:"follow_up_notes,omitempty"`
// }

// type LogInteractionOutput struct {
// 	Interaction ext.ContactInteraction `json:"interaction"`
// }

// func (t *CRMTool) LogInteraction(ctx context.Context, _ *mcp.CallToolRequest, in LogInteractionInput) (*mcp.CallToolResult, LogInteractionOutput, error) {
// 	if strings.TrimSpace(in.Summary) == "" {
// 		return nil, LogInteractionOutput{}, errRequiredField("summary")
// 	}
// 	occurredAt := time.Now()
// 	if in.OccurredAt != nil {
// 		occurredAt = *in.OccurredAt
// 	}
// 	interaction, err := t.store.LogInteraction(ctx, ext.ContactInteraction{
// 		ContactID:       in.ContactID,
// 		InteractionType: in.InteractionType,
// 		OccurredAt:      occurredAt,
// 		Summary:         strings.TrimSpace(in.Summary),
// 		FollowUpNeeded:  in.FollowUpNeeded,
// 		FollowUpNotes:   strings.TrimSpace(in.FollowUpNotes),
// 	})
// 	if err != nil {
// 		return nil, LogInteractionOutput{}, err
// 	}
// 	return nil, LogInteractionOutput{Interaction: interaction}, nil
// }

// // get_contact_history

// type GetContactHistoryInput struct {
// 	ContactID uuid.UUID `json:"contact_id" jsonschema:"id of the contact"`
// }

// type GetContactHistoryOutput struct {
// 	History ext.ContactHistory `json:"history"`
// }

// func (t *CRMTool) GetHistory(ctx context.Context, _ *mcp.CallToolRequest, in GetContactHistoryInput) (*mcp.CallToolResult, GetContactHistoryOutput, error) {
// 	history, err := t.store.GetContactHistory(ctx, in.ContactID)
// 	if err != nil {
// 		return nil, GetContactHistoryOutput{}, err
// 	}
// 	return nil, GetContactHistoryOutput{History: history}, nil
// }

// // create_opportunity

// type CreateOpportunityInput struct {
// 	ContactID         *uuid.UUID `json:"contact_id,omitempty"`
// 	Title             string     `json:"title" jsonschema:"opportunity title"`
// 	Description       string     `json:"description,omitempty"`
// 	Stage             string     `json:"stage,omitempty" jsonschema:"one of: identified, in_conversation, proposal, negotiation, won, lost (default: identified)"`
// 	Value             *float64   `json:"value,omitempty" jsonschema:"monetary value"`
// 	ExpectedCloseDate *time.Time `json:"expected_close_date,omitempty"`
// 	Notes             string     `json:"notes,omitempty"`
// }

// type CreateOpportunityOutput struct {
// 	Opportunity ext.Opportunity `json:"opportunity"`
// }

// func (t *CRMTool) CreateOpportunity(ctx context.Context, _ *mcp.CallToolRequest, in CreateOpportunityInput) (*mcp.CallToolResult, CreateOpportunityOutput, error) {
// 	if strings.TrimSpace(in.Title) == "" {
// 		return nil, CreateOpportunityOutput{}, errRequiredField("title")
// 	}
// 	stage := strings.TrimSpace(in.Stage)
// 	if stage == "" {
// 		stage = "identified"
// 	}
// 	opp, err := t.store.CreateOpportunity(ctx, ext.Opportunity{
// 		ContactID:         in.ContactID,
// 		Title:             strings.TrimSpace(in.Title),
// 		Description:       strings.TrimSpace(in.Description),
// 		Stage:             stage,
// 		Value:             in.Value,
// 		ExpectedCloseDate: in.ExpectedCloseDate,
// 		Notes:             strings.TrimSpace(in.Notes),
// 	})
// 	if err != nil {
// 		return nil, CreateOpportunityOutput{}, err
// 	}
// 	return nil, CreateOpportunityOutput{Opportunity: opp}, nil
// }

// // get_follow_ups_due

// type GetFollowUpsDueInput struct {
// 	DaysAhead int `json:"days_ahead,omitempty" jsonschema:"look ahead window in days (default: 7)"`
// }

// type GetFollowUpsDueOutput struct {
// 	Contacts []ext.ProfessionalContact `json:"contacts"`
// }

// func (t *CRMTool) GetFollowUpsDue(ctx context.Context, _ *mcp.CallToolRequest, in GetFollowUpsDueInput) (*mcp.CallToolResult, GetFollowUpsDueOutput, error) {
// 	contacts, err := t.store.GetFollowUpsDue(ctx, in.DaysAhead)
// 	if err != nil {
// 		return nil, GetFollowUpsDueOutput{}, err
// 	}
// 	if contacts == nil {
// 		contacts = []ext.ProfessionalContact{}
// 	}
// 	return nil, GetFollowUpsDueOutput{Contacts: contacts}, nil
// }

// // link_thought_to_contact

// type LinkThoughtToContactInput struct {
// 	ContactID uuid.UUID `json:"contact_id" jsonschema:"id of the contact"`
// 	ThoughtID uuid.UUID `json:"thought_id" jsonschema:"id of the thought to link"`
// }

// type LinkThoughtToContactOutput struct {
// 	Contact ext.ProfessionalContact `json:"contact"`
// }

// func (t *CRMTool) LinkThought(ctx context.Context, _ *mcp.CallToolRequest, in LinkThoughtToContactInput) (*mcp.CallToolResult, LinkThoughtToContactOutput, error) {
// 	thought, err := t.store.GetThought(ctx, in.ThoughtID)
// 	if err != nil {
// 		if errors.Is(err, pgx.ErrNoRows) {
// 			return nil, LinkThoughtToContactOutput{}, errEntityNotFound("thought", "thought_id", in.ThoughtID.String())
// 		}
// 		return nil, LinkThoughtToContactOutput{}, err
// 	}

// 	appendText := fmt.Sprintf("\n\n[Linked thought %s]: %s", thought.ID, thought.Content)
// 	if err := t.store.AppendThoughtToContactNotes(ctx, in.ContactID, appendText); err != nil {
// 		return nil, LinkThoughtToContactOutput{}, err
// 	}

// 	contact, err := t.store.GetContact(ctx, in.ContactID)
// 	if err != nil {
// 		if errors.Is(err, pgx.ErrNoRows) {
// 			return nil, LinkThoughtToContactOutput{}, errEntityNotFound("contact", "contact_id", in.ContactID.String())
// 		}
// 		return nil, LinkThoughtToContactOutput{}, err
// 	}
// 	return nil, LinkThoughtToContactOutput{Contact: contact}, nil
// }