package model

import "time"

// SadhnaLog is one persisted row of the sadhna_logs table — the chanting
// half of a day's sādhana. The posting half is derived from the posts
// table at read time, so it has no column here.
type SadhnaLog struct {
	ID              string    `json:"id"`
	UserID          string    `json:"user_id"`
	LogDate         time.Time `json:"log_date"`
	RoundsCompleted int       `json:"rounds_completed"`
	ChantDone       bool      `json:"chant_done"`
	CreatedAt       time.Time `json:"created_at"`
	UpdatedAt       time.Time `json:"updated_at"`
}

// SadhnaDay is one cell of the 7-day streak strip. `Completed` is the
// conjunction the streak counts: both the chanting and the posting were
// done that calendar day.
type SadhnaDay struct {
	Date      string `json:"date"` // YYYY-MM-DD (UTC)
	ChantDone bool   `json:"chant_done"`
	QuoteDone bool   `json:"quote_done"`
	Completed bool   `json:"completed"`
}

// VineDay is one fold of the sādhana creeper — one day of practice the
// vine has wound around its pole. The creeper grows a fresh fold for each
// day of the current streak (oldest first), plus a final in-progress fold
// for an unfinished today. Rounds/Posts annotate the fold so the devotee
// sees exactly what they offered that day.
type VineDay struct {
	Date       string `json:"date"`        // YYYY-MM-DD (UTC)
	Rounds     int    `json:"rounds"`      // rounds chanted that day
	Posts      int    `json:"posts"`       // quotes posted that day
	Completed  bool   `json:"completed"`   // both disciplines done (a full fold)
	InProgress bool   `json:"in_progress"` // today, not yet complete (the growing tip)
}

// SadhnaReward is one gift item in the streak-reward catalog.
type SadhnaReward struct {
	ID       string `json:"id"`
	Key      string `json:"key"`
	Name     string `json:"name"`
	Meaning  string `json:"meaning"`
	ImageURL string `json:"image_url"`
	Active   bool   `json:"active"`
	Sort     int    `json:"sort"`
}

// SadhnaRewardGrant is a reward a user earned at a streak milestone (a
// multiple of 7 days). The full reward is embedded for direct rendering.
type SadhnaRewardGrant struct {
	Milestone int          `json:"milestone"`
	GrantedAt time.Time    `json:"granted_at"`
	Reward    SadhnaReward `json:"reward"`
}

// SadhnaDashboard is the single payload the /sadhna-streak page reads. It
// folds together today's progress, the week strip, the streak counters,
// and the plant's growth state so the client renders without further
// round-trips.
type SadhnaDashboard struct {
	// Today's two disciplines.
	TargetRounds    int  `json:"target_rounds"`    // user's goal (16 if unset)
	RoundsCompleted int  `json:"rounds_completed"` // saved progress today
	ChantDone       bool `json:"chant_done"`       // rounds reached target
	QuoteDone       bool `json:"quote_done"`       // posted at least one quote today
	TodayCompleted  bool `json:"today_completed"`  // both done today

	// Streak counters.
	CurrentStreak int `json:"current_streak"`
	LongestStreak int `json:"longest_streak"`

	// Plant state. Growth is 0–100; Stage is the derived label the client
	// maps to a visual; Alive is false only when growth has decayed to 0.
	Growth int    `json:"growth"`
	Stage  string `json:"stage"` // dead | sprout | seedling | sapling | young | mature
	Alive  bool   `json:"alive"`

	// The trailing 7 calendar days, oldest first, for the top strip.
	Week []SadhnaDay `json:"week"`

	// The creeper: one fold per day of the current streak (oldest first),
	// plus a final in-progress fold for an unfinished today. Capped to the
	// most recent vineMaxDays folds for payload sanity; CurrentStreak holds
	// the true length.
	VineDays []VineDay `json:"vine_days"`

	// Rewards. NextRewardDate is the projected UTC date (YYYY-MM-DD) the next
	// gift lands if the streak continues — for the calendar's gift marker.
	// PendingReward is a freshly earned, not-yet-celebrated gift the client
	// should celebrate now (nil when there's nothing to show).
	NextRewardDate *string            `json:"next_reward_date"`
	PendingReward  *SadhnaRewardGrant `json:"pending_reward"`
}